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                ifndef  __regmxu4inc
__regmxu4inc    equ     1
                save
                listing off   ; no listing over this file

;****************************************************************************
;*                                                                          *
;*   AS 1.42 - File REGMXU4.INC                                             *
;*                                                                          *
;*   Contains Bit & Register Definitions for ATmega[16|32]U4                *
;*                                                                          *
;****************************************************************************

;----------------------------------------------------------------------------
; Chip Configuration

MCUCR           port    0x35            ; MCU General Control Register
IVCE            avrbit  MCUCR,0         ; Interrupt Vector Change Enable
IVSEL           avrbit  MCUCR,1         ; Interrupt Vector Select

SMCR            port    0x33            ; Sleep Mode Control Register
SE              avrbit  SMCR,0          ; Sleep Enable
SM2             avrbit  SMCR,3          ; Sleep Mode Select
SM1             avrbit  SMCR,2
SM0             avrbit  SMCR,1

MCUSR           port    0x34            ; MCU Control and Status Register
USBRF           avrbit  MCUSR,5         ; USB Reset Flag
JTRF            avrbit  MCUSR,4         ; JTAG Reset Flag
WDRF            avrbit  MCUSR,3         ; Watchdog Reset Occured
BORF            avrbit  MCUSR,2         ; Brown-Out Occured
EXTRF           avrbit  MCUSR,1         ; External Reset Occured
PORF            avrbit  MCUSR,0         ; Power-On Reset Occured

OSCCAL          sfr     0x66            ; Oscillator Calibration

RCCTRL          sfr     0x67            ; Oscillator Control Register
RCFREQ          avrbit  RCCTRL,0        ; RC Oscillator Frequency Select

PRR0            sfr     0x64            ; Power Reduction Register 0
PRADC           avrbit  PRR0,0          ; Power Reduction A/D Converter
PRSPI           avrbit  PRR0,2          ; Power Reduction SPI
PRTIM1          avrbit  PRR0,3          ; Power Reduction Timer/Counter 1
PRTIM0          avrbit  PRR0,5          ; Power Reduction Timer/Counter 0
PRTWI           avrbit  PRR0,7          ; Power Reduction Two-Wire Interface
PRR1            sfr     0x65            ; Power Reduction Register 1
PRUSART1        avrbit  PRR1,0          ; Power Reduction USART1
PRTIM3          avrbit  PRR1,3          ; Power Reduction Timer/Counter 3
PRTIM4          avrbit  PRR1,4          ; Power Reduction Timer/Counter 4
PRUSB           avrbit  PRR1,7          ; Power Reduction USB

CLKPR           sfr     0x61            ; Clock Prescale Register
CLKPS0          avrbit  CLKPR,0         ; Clock Prescaler Select Bits
CLKPS1          avrbit  CLKPR,1
CLKPS2          avrbit  CLKPR,2
CLKPS3          avrbit  CLKPR,3
CLKPCE          avrbit  CLKPR,7         ; Clock Prescaler Change Enable

PLLCSR          port    0x29            ; PLL Control and Status Register
PLOCK           avrbit  PLLCSR,0        ; PLL Lock Detector
PLLE            avrbit  PLLCSR,1        ; PLL Enable
PINDIV          avrbit  PLLCSR,4        ; PLL Input Prescaler (1:1, 1:2)

PLLFRQ          port    0x32            ; PLL Frequency Control Register
PDIV0           avrbit  PLLFRQ,0        ; PLL Lock Frequency
PDIV1           avrbit  PLLFRQ,1
PDIV2           avrbit  PLLFRQ,2
PDIV3           avrbit  PLLFRQ,3
PLLTM0          avrbit  PLLFRQ,4        ; PLL Postcaler for High Speed Timer
PLLTM1          avrbit  PLLFRQ,5
PLLUSB          avrbit  PLLFRQ,6        ; PLL Postcaler for USB Peripheral
PINMUX          avrbit  PLLFRQ,7        ; PLL Input Multiplexer

CLKSEL0         sfr     0xc5            ; Clock Selection Register 0
CLKS            avrbit  CLKSEL0,0       ; Clock Selector
EXTE            avrbit  CLKSEL0,2       ; Enable External Oscillator / Low Power Oscillator
RCE             avrbit  CLKSEL0,3       ; Enable RC Oscillator
EXSUT0          avrbit  CLKSEL0,4       ; SUT for External Oscillator / Low Power Oscillator
EXSUT1          avrbit  CLKSEL0,5
RCSUT0          avrbit  CLKSEL0,6       ; SUT for RC Oscillator
RCSUT1          avrbit  CLKSEL0,7

CLKSEL1         sfr     0xc6            ; Clock Selection Register 1
EXCKSEL0        avrbit  CLKSEL1,0       ; CKSEL for External Oscillator / Low Power Oscillator
EXCKSEL1        avrbit  CLKSEL1,1
EXCKSEL2        avrbit  CLKSEL1,2
EXCKSEL3        avrbit  CLKSEL1,3
RCCKSEL0        avrbit  CLKSEL1,4       ; CKSEL for RC Oscillator
RCCKSEL1        avrbit  CLKSEL1,5
RCCKSEL2        avrbit  CLKSEL1,6
RCCKSEL3        avrbit  CLKSEL1,7

CLKSTA          sfr     0xc7            ; Clock Status Register
EXTON           avrbit  CLKSTA,0        ; External Oscillator / Low Power Oscillator On
RCON            avrbit  CLKSTA,1        ; RC Oscillator On

;----------------------------------------------------------------------------
; JTAG etc.

JTD             avrbit  MCUCR,7         ; JTAG disable

CRDR            port    0x31            ; Monitor Data Register
MONDR           port    0x31

;----------------------------------------------------------------------------
; EEPROM/Program Memory Access

                include "eem2.inc"

EEPM0           avrbit  EECR,4          ; EEPROM Programming Mode
EEPM1           avrbit  EECR,5

                include "spmcsr37.inc"
                
SIGRD           avrbit  SPMCSR,5        ; Signature Read

RAMPZ           port    0x3b            ; RAM Pointer
RAMPZ0          avrbit  RAMPZ,0
RAMPZ1          avrbit  RAMPZ,1

;----------------------------------------------------------------------------
; GPIO

PINB            port    0x03            ; Port B @ 0x03 (IO) ff.
PINC            port    0x06            ; Port C @ 0x06 (IO) ff.
__PORTC_BITS    equ     0xc0            ; (bits 6..7)
PIND            port    0x09            ; Port D @ 0x09 (IO) ff.
PINE            port    0x0c            ; Port E @ 0x0c (IO) ff.
__PORTE_BITS    equ     0x44            ; (bits 2,6)
PINF            port    0x0f            ; Port F @ 0x0f (IO) ff.
__PORTF_BITS    equ     0xf3            ; (bits 0..1,4..7)

GPIOR0          port    0x1e            ; General Purpose I/O Register 0
GPIOR1          port    0x2a            ; General Purpose I/O Register 1
GPIOR2          port    0x2b            ; General Purpose I/O Register 2

PUD             avrbit  MCUCR,4         ; Pullup Disable

PCMSK0          sfr     0x6b            ; Pin Change Mask Register 0

PCICR           sfr     0x68            ; Pin Change Control Register

PCIFR           port    0x1b            ; Pin Change Flag Register

;----------------------------------------------------------------------------
; Interrupt Vectors

                enumconf 2,code
                enum     INT0_vect=2            ; External Interrupt Request 0
                nextenum INT1_vect              ; External Interrupt Request 1
                nextenum INT2_vect              ; External Interrupt Request 2
                nextenum INT3_vect              ; External Interrupt Request 3
                nextenum Reserved1_vect         ; Reserved
                nextenum Reserved2_vect         ; Reserved
                nextenum INT6_vect              ; External Interrupt Request 6
                nextenum Reserved3_vect         ; Reserved
                nextenum PCINT0_vect            ; Pin Change Interrupt Request 0
                nextenum USB_GEN_vect           ; USB General Interrupt Request
                nextenum USB_COM_vect           ; USB Endpoint Interrupt Request
                nextenum WDT_vect               ; Watchdog Time-out Interrupt
                nextenum Reserved4_vect         ; Reserved
                nextenum Reserved5_vect         ; Reserved
                nextenum Reserved6_vect         ; Reserved
                nextenum TIMER1_CAPT_vect       ; Timer/Counter 1 Capture
                nextenum TIMER1_COMPA_vect      ; Timer/Counter 1 Compare Match A
                nextenum TIMER1_COMPB_vect      ; Timer/Counter 1 Compare Match B
                nextenum TIMER1_COMPC_vect      ; Timer/Counter 1 Compare Match C
                nextenum TIMER1_OVF_vect        ; Timer/Counter 1 Overflow
                nextenum TIMER0_COMPA_vect      ; Timer/Counter 0 Compare Match A
                nextenum TIMER0_COMPB_vect      ; Timer/Counter 0 Compare Match B
                nextenum TIMER0_OVF_vect        ; Timer/Counter 0 Overflow
                nextenum SPI_STC_vect           ; SPI Serial Transfer Complete
                nextenum USART1_RX_vect         ; USART1 Rx Complete
                nextenum USART1_UDRE_vect       ; USART1 Data Register Empty
                nextenum USART1_TX_vect         ; USART1 Tx Complete
                nextenum ANALOG_COMP_vect       ; Analog Comparator
                nextenum ADC_vect               ; ADC Conversion Complete
                nextenum EE_READY_vect          ; EEPROM Ready
                nextenum TIMER3_CAPT_vect       ; Timer/Counter 3 Capture
                nextenum TIMER3_COMPA_vect      ; Timer/Counter 3 Compare Match A
                nextenum TIMER3_COMPB_vect      ; Timer/Counter 3 Compare Match B
                nextenum TIMER3_COMPC_vect      ; Timer/Counter 3 Compare Match C
                nextenum TIMER3_OVF_vect        ; Timer/Counter 3 Overflow
                nextenum TWI_vect               ; Two-Wire Serial Interface
                nextenum SPM_READY_vect         ; Store Program Memory Ready
                nextenum TIMER4_COMPA_vect      ; Timer/Counter 4 Compare Match A
                nextenum TIMER4_COMPB_vect      ; Timer/Counter 4 Compare Match B
                nextenum TIMER4_COMPD_vect      ; Timer/Counter 4 Compare Match D
                nextenum TIMER4_OVF_vect        ; Timer/Counter 4 Overflow
                nextenum TIMER4_FPF_vect        ; Timer/Counter 4 Fault Protection

;----------------------------------------------------------------------------
; External Interrupts

EICRA           sfr     0x69            ; External Interrupt Control Register A
ISC00           avrbit  EICRA,0         ; External Interrupt 0 Sense Control
ISC01           avrbit  EICRA,1
ISC10           avrbit  EICRA,2         ; External Interrupt 1 Sense Control
ISC11           avrbit  EICRA,3
ISC20           avrbit  EICRA,4         ; External Interrupt 2 Sense Control
ISC21           avrbit  EICRA,5
ISC30           avrbit  EICRA,6         ; External Interrupt 3 Sense Control
ISC31           avrbit  EICRA,7
EICRB           sfr     0x6a            ; External Interrupt Control Register A
ISC60           avrbit  EICRB,4         ; External Interrupt 6 Sense Control
ISC61           avrbit  EICRB,5

EIMSK           port    0x1d            ; External Interrupt Mask Register
INT0            avrbit  EIMSK,0         ; External Interrupt Request 0 Enable
INT1            avrbit  EIMSK,1         ; External Interrupt Request 1 Enable
INT2            avrbit  EIMSK,2         ; External Interrupt Request 2 Enable
INT3            avrbit  EIMSK,3         ; External Interrupt Request 3 Enable
INT6            avrbit  EIMSK,6         ; External Interrupt Request 6 Enable

EIFR            port    0x1c            ; External Interrupt Flag Register
INTF0           avrbit  EIFR,0          ; External Interrupt 0 Occured
INTF1           avrbit  EIFR,1          ; External Interrupt 1 Occured
INTF2           avrbit  EIFR,2          ; External Interrupt 2 Occured
INTF3           avrbit  EIFR,3          ; External Interrupt 3 Occured
INTF6           avrbit  EIFR,6          ; External Interrupt 6 Occured

;----------------------------------------------------------------------------
; Timers

TCCR0A          port    0x24            ; Timer/Counter 0 Control Register A
WGM00           avrbit  TCCR0A,0        ; Timer/Counter 0 Waveform Generation Mode
WGM01           avrbit  TCCR0A,1
COM0B0          avrbit  TCCR0A,4        ; Timer/Counter 0 Compare Match Output B Mode
COM0B1          avrbit  TCCR0A,5
COM0A0          avrbit  TCCR0A,6        ; Timer/Counter 0 Compare Match Output A Mode
COM0A1          avrbit  TCCR0A,7
TCCR0B          port    0x25            ; Timer/Counter 0 Control Register B
CS00            avrbit  TCCR0B,0        ; Clock Select
CS01            avrbit  TCCR0B,1
CS02            avrbit  TCCR0B,2
WGM02           avrbit  TCCR0B,3
FOC0B           avrbit  TCCR0B,6        ; Timer/Counter 0 Force Output Compare Match B
FOC0A           avrbit  TCCR0B,7        ; Timer/Counter 0 Force Output Compare Match A
TCNT0           port    0x26            ; Timer/Counter 0 Value
OCR0A           port    0x27            ; Timer/Counter 0 Output Compare Register A
OCR0B           port    0x28            ; Timer/Counter 0 Output Compare Register B

TCCR1A          sfr     0x80            ; Timer/Counter 1 Control Register A
WGM10           avrbit  TCCR1A,0        ; Timer/Counter 1 Waveform Generation Mode
WGM11           avrbit  TCCR1A,1
COM1C0          avrbit  TCCR1A,2        ; Timer/Counter 1 Compare Mode C
COM1C1          avrbit  TCCR1A,3
COM1B0          avrbit  TCCR1A,4        ; Timer/Counter 1 Compare Mode B
COM1B1          avrbit  TCCR1A,5
COM1A0          avrbit  TCCR1A,6        ; Timer/Counter 1 Compare Mode A
COM1A1          avrbit  TCCR1A,7
TCCR1B          sfr     0x81            ; Timer/Counter 1 Control Register B
CS10            avrbit  TCCR1B,0        ; Timer/Counter 1 Prescaler Setting
CS11            avrbit  TCCR1B,1
CS12            avrbit  TCCR1B,2
WGM12           avrbit  TCCR1B,3        ; Timer/Counter 1 Waveform Generation Mode
WGM13           avrbit  TCCR1B,4
ICES1           avrbit  TCCR1B,6        ; Timer/Counter 1 Capture Slope Selection
ICNC1           avrbit  TCCR1B,7        ; Timer/Counter 1 Capture Noise Filter
TCCR1C          sfr     0x82            ; Timer/Counter 1 Control Register C
FOC1C           avrbit  TCCR1C,5        ; Timer/Counter 1 Force Output Compare C
FOC1B           avrbit  TCCR1C,6        ; Timer/Counter 1 Force Output Compare B
FOC1A           avrbit  TCCR1C,7        ; Timer/Counter 1 Force Output Compare A
TCNT1L          sfr     0x84            ; Timer/Counter 1 Value LSB
TCNT1H          sfr     0x85            ; Timer/Counter 1 Value MSB
OCR1AL          sfr     0x88            ; Timer/Counter 1 Output Compare Value A LSB
OCR1AH          sfr     0x89            ; Timer/Counter 1 Output Compare Value A MSB
OCR1BL          sfr     0x8a            ; Timer/Counter 1 Output Compare Value B LSB
OCR1BH          sfr     0x8b            ; Timer/Counter 1 Output Compare Value B MSB
OCR1CL          sfr     0x8c            ; Timer/Counter 1 Output Compare Value C LSB
OCR1CH          sfr     0x8d            ; Timer/Counter 1 Output Compare Value C MSB
ICR1L           sfr     0x86            ; Timer/Counter 1 Input Capture Value LSB
ICR1H           sfr     0x87            ; Timer/Counter 1 Input Capture Value MSB

TCCR3A          sfr     0x90            ; Timer/Counter 3 Control Register A
WGM30           avrbit  TCCR3A,0        ; Timer/Counter 3 Waveform Generation Mode
WGM31           avrbit  TCCR3A,1
COM3C0          avrbit  TCCR3A,2        ; Timer/Counter 3 Compare Mode C
COM3C1          avrbit  TCCR3A,3
COM3B0          avrbit  TCCR3A,4        ; Timer/Counter 3 Compare Mode B
COM3B1          avrbit  TCCR3A,5
COM3A0          avrbit  TCCR3A,6        ; Timer/Counter 3 Compare Mode A
COM3A1          avrbit  TCCR3A,7
TCCR3B          sfr     0x91            ; Timer/Counter 3 Control Register B
CS30            avrbit  TCCR3B,0        ; Timer/Counter 3 Prescaler Setting
CS31            avrbit  TCCR3B,1
CS32            avrbit  TCCR3B,2
WGM32           avrbit  TCCR3B,3        ; Timer/Counter 3 Waveform Generation Mode
WGM33           avrbit  TCCR3B,4
ICES3           avrbit  TCCR3B,6        ; Timer/Counter 3 Capture Slope Selection
ICNC3           avrbit  TCCR3B,7        ; Timer/Counter 3 Capture Noise Filter
TCCR3C          sfr     0x92            ; Timer/Counter 3 Control Register C
FOC3A           avrbit  TCCR3C,7        ; Timer/Counter 3 Force Output Compare A
TCNT3L          sfr     0x94            ; Timer/Counter 3 Value LSB
TCNT3H          sfr     0x95            ; Timer/Counter 3 Value MSB
OCR3AL          sfr     0x98            ; Timer/Counter 3 Output Compare Value A LSB
OCR3AH          sfr     0x99            ; Timer/Counter 3 Output Compare Value A MSB
OCR3BL          sfr     0x9a            ; Timer/Counter 3 Output Compare Value B LSB
OCR3BH          sfr     0x9b            ; Timer/Counter 3 Output Compare Value B MSB
OCR3CL          sfr     0x9c            ; Timer/Counter 3 Output Compare Value C LSB
OCR3CH          sfr     0x9d            ; Timer/Counter 3 Output Compare Value C MSB
ICR3L           sfr     0x96            ; Timer/Counter 3 Input Capture Value LSB
ICR3H           sfr     0x97            ; Timer/Counter 3 Input Capture Value MSB

TCCR4A          sfr     0xc0            ; Timer/Counter 4 Control Register A
PWM4B           avrbit  TCCR4A,0        ; Timer/Counter 4 Pulse Width Modulator B Enable
PWM4A           avrbit  TCCR4A,1        ; Timer/Counter 4 Pulse Width Modulator A Enable
FOC4B           avrbit  TCCR4A,2        ; Timer/Counter 4 Force Output Compare B
FOC4A           avrbit  TCCR4A,3        ; Timer/Counter 4 Force Output Compare A
COM4B0          avrbit  TCCR4A,4        ; Timer/Counter 4 Compare Mode B
COM4B1          avrbit  TCCR4A,5
COM4A0          avrbit  TCCR4A,6        ; Timer/Counter 4 Compare Mode A
COM4A1          avrbit  TCCR4A,7
TCCR4B          sfr     0xc1            ; Timer/Counter 4 Control Register B
CS40            avrbit  TCCR4B,0        ; Timer/Counter 4 Clock Select
CS41            avrbit  TCCR4B,1
CS42            avrbit  TCCR4B,2
CS43            avrbit  TCCR4B,3
DTPS40          avrbit  TCCR4B,4        ; Timer/Counter 4 Dead Time Prescaler
DTPS41          avrbit  TCCR4B,5
PSR4            avrbit  TCCR4B,6        ; Timer/Counter 4 Prescaler Reset
PWM4X           avrbit  TCCR4B,7        ; Timer/Counter 4 PWM Inversion Mode
TCCR4C          sfr     0xc2            ; Timer/Counter 4 Control Register C
PWM4D           avrbit  TCCR4C,0        ; Timer/Counter 4 Pulse Width Modulator D Enable
FOC4D           avrbit  TCCR4C,1        ; Timer/Counter 4 Force Output Compare D
COM4D0          avrbit  TCCR4C,2        ; Timer/Counter 4 Compare Mode D
COM4D1          avrbit  TCCR4C,3
COMAB0S         avrbit  TCCR4C,4        ; Timer/Counter 4 Comparator B Output Mode
COM4B1S         avrbit  TCCR4C,5
COM4A0S         avrbit  TCCR4C,6        ; Timer/Counter 4 Comparator A Output Mode
COM4A1S         avrbit  TCCR4C,7
TCCR4D          sfr     0xc3            ; Timer/Counter 4 Control Register D
WGM40           avrbit  TCCR4D,0        ; Timer/Counter 4 Waveform Generation Mode
WGM41           avrbit  TCCR4D,1
FPF4            avrbit  TCCR4D,2        ; Timer/Counter 4 Fault Protection Interrupt Flag
FPAC4           avrbit  TCCR4D,3        ; Timer/Counter 4 Fault Protection Analog Comparator Enable
FPES4           avrbit  TCCR4D,4        ; Timer/Counter 4 Fault Protection Edge Select
FPNC4           avrbit  TCCR4D,5        ; Timer/Counter 4 Fault Protection Noise Canceler
FPEN4           avrbit  TCCR4D,6        ; Timer/Counter 4 Fault Protection Mode Enable
FPIE4           avrbit  TCCR4D,7        ; Timer/Counter 4 Fault Protection Interrupt Enable
TCCR4E          sfr     0xc4            ; Timer/Counter 4 Control Register E
OC4OE0          avrbit  TCCR4E,0        ; Timer/Counter 4 Output Compare Override Enable
OC4OE1          avrbit  TCCR4E,1
OC4OE2          avrbit  TCCR4E,2
OC4OE3          avrbit  TCCR4E,3
OC4OE4          avrbit  TCCR4E,4
OC4OE5          avrbit  TCCR4E,5
ENHC4           avrbit  TCCR4E,6        ; Timer/Counter 4 Enhanced Compare/PWM Mode
TLOCK4          avrbit  TCCR4E,7        ; Timer/Counter 4 Register Update Lock
TCNT4           sfr     0xbe            ; Timer/Counter 4 Value 
TC4H            sfr     0xbf            ; Timer/Counter 4 Value MSB
OCR4A           sfr     0xcf            ; Timer/Counter 4 Output Compare Value A
OCR4B           sfr     0xd0            ; Timer/Counter 4 Output Compare Value B
OCR4C           sfr     0xd1            ; Timer/Counter 4 Output Compare Value C
OCR4D           sfr     0xd2            ; Timer/Counter 4 Output Compare Value D
DT4             sfr     0xd4            ; Timer/Counter 4 Dead Time Value
DT4L0           avrbit  DT4,0           ; Timer/Counter 4 Dead Time Value for /OC4x Output
DT4L1           avrbit  DT4,1
DT4L2           avrbit  DT4,2
DT4L3           avrbit  DT4,3
DT4H0           avrbit  DT4,4           ; Timer/Counter 4 Dead Time Value for OC4x Output
DT4H1           avrbit  DT4,5
DT4H2           avrbit  DT4,6
DT4H3           avrbit  DT4,7

TIMSK0          sfr     0x6e            ; Timer/Counter 0 Interrupt Mask Register
TOIE0           avrbit  TIMSK0,0        ; Timer/Counter 0 Overflow Interrupt Enable
OCIE0A          avrbit  TIMSK0,1        ; Timer/Counter 1 Output Compare Interrupt Enable A
OCIE0B          avrbit  TIMSK0,2        ; Timer/Counter 1 Output Compare Interrupt Enable B

TIFR0           port    0x15            ; Timer/Counter 0 Interrupt Flag Register

TIMSK1          sfr     0x6f            ; Timer/Counter 1 Interrupt Mask Register
TOIE1           avrbit  TIMSK1,0        ; Timer/Counter 1 Overflow Interrupt Enable
OCIE1A          avrbit  TIMSK1,1        ; Timer/Counter 1 Output Compare Interrupt Enable A
OCIE1B          avrbit  TIMSK1,2        ; Timer/Counter 1 Output Compare Interrupt Enable B
OCIE1C          avrbit  TIMSK1,3        ; Timer/Counter 1 Output Compare Interrupt Enable C
ICIE1           avrbit  TIMSK1,5        ; Timer/Counter 1 Input Capture Interrupt Enable

TIFR1           port    0x16            ; Timer/Counter 1 Interrupt Flag Register

TIMSK3          sfr     0x71            ; Timer/Counter 3 Interrupt Mask Register
TOIE3           avrbit  TIMSK3,0        ; Timer/Counter 3 Overflow Interrupt Enable
OCIE3A          avrbit  TIMSK3,1        ; Timer/Counter 3 Output Compare Interrupt Enable A
OCIE3B          avrbit  TIMSK3,2        ; Timer/Counter 3 Output Compare Interrupt Enable B
OCIE3C          avrbit  TIMSK3,3        ; Timer/Counter 3 Output Compare Interrupt Enable C
ICIE3           avrbit  TIMSK3,5        ; Timer/Counter 3 Input Capture Interrupt Enable

TIFR3           port    0x18            ; Timer/Counter 3 Interrupt Flag Register

TIMSK4          sfr     0x72            ; Timer/Counter 4 Interrupt Mask Register
TOIE4           avrbit  TIMSK4,2        ; Timer/Counter 4 Overflow Interrupt Enable
OCIE4B          avrbit  TIMSK4,5        ; Timer/Counter 4 Output Compare Interrupt Enable B
OCIE4A          avrbit  TIMSK4,6        ; Timer/Counter 4 Output Compare Interrupt Enable A
OCIE4D          avrbit  TIMSK4,7        ; Timer/Counter 4 Output Compare Interrupt Enable D

TIFR4           port    0x19            ; Timer/Counter 4 Interrupt Flag Register

GTCCR           port    0x23            ; General Timer/Counter Control Register
PSRSYNC         avrbit  GTCCR,0         ; Prescaler Reset for Synchronous Timer/Counters
PSRASY          avrbit  GTCCR,1
TSM             avrbit  GTCCR,7         ; Timer/Counter Synchronization Mode

;----------------------------------------------------------------------------
; Watchdog Timer

                include "wdme.inc"
                
;----------------------------------------------------------------------------
; USART

UDR1            sfr     0xce            ; I/O Data Register

UCSR1A          sfr     0xc8            ; Control & Status Register A
MPCM1           avrbit  UCSR1A,0        ; Multi Processor Communication Mode
U2X1            avrbit  UCSR1A,1        ; Double Transmission Speed
PE1             avrbit  UCSR1A,2        ; Parity Error
DOR1            avrbit  UCSR1A,3        ; Overrun
FE1             avrbit  UCSR1A,4        ; Framing Error
UDRE1           avrbit  UCSR1A,5        ; Data Register Empty
TXC1            avrbit  UCSR1A,6        ; Transmit Complete
RXC1            avrbit  UCSR1A,7        ; Receive Complete

UCSR1B          sfr     0xc9            ; Control & Status Register B
TXB81           avrbit  UCSR1B,0        ; Transmit Bit 8
RXB81           avrbit  UCSR1B,1        ; Receive Bit 8
UCSZ21          avrbit  UCSR1B,2        ; Character Size
TXEN1           avrbit  UCSR1B,3        ; Enable Transmitter
RXEN1           avrbit  UCSR1B,4        ; Enable Receiver
UDRIE1          avrbit  UCSR1B,5        ; Enable Data Register Empty Interrupt
TXCIE1          avrbit  UCSR1B,6        ; Enable Transmit Complete Interrupt
RXCIE1          avrbit  UCSR1B,7        ; Enable Receive Complete Interrupt

UCSR1C          sfr     0xca            ; Control & Status Register C
UCPOL1          avrbit  UCSR1C,0        ; Clock Polarity
UCSZ10          avrbit  UCSR1C,1        ; Character Size
UCSZ11          avrbit  UCSR1C,2
USBS1           avrbit  UCSR1C,3        ; Stop Bit Select
UPM10           avrbit  UCSR1C,4        ; Parity Mode : Odd/Even
UPM11           avrbit  UCSR1C,5        ; Parity Mode : Enable/Disable
UMSEL10         avrbit  UCSR1C,6        ; USART Mode Select
UMSEL11         avrbit  UCSR1C,7

UCSR1D          sfr     0xcb            ; Control & Status Register D
RTSEN           avrbit  UCSR1D,0        ; USART RTS Enable
CTSEN           avrbit  UCSR1D,1        ; USART CTS Enable

UBRR1H          sfr     0xcc            ; Baud Rate Register High
UBRR1L          sfr     0xcd            ; Baud Rate Register Low

;----------------------------------------------------------------------------
; SPI

                include "spim2c.inc"

;----------------------------------------------------------------------------
; TWI

                include "twimb8.inc"
                
;----------------------------------------------------------------------------
; Analog Comparator

                include "acm30.inc"

;----------------------------------------------------------------------------
; A/D Converter

                include "adcm78.inc"

MUX4            avrbit  ADMUX,4

ADTS3           avrbit  ADCSRB,3
MUX5            avrbit  ADCSRB,4
ADHSM           avrbit  ADCSRB,7        ; A/D Converter High Speed Mode

DIDR2           sfr     0x7d            ; Digital Input Disable Register 2
ADC8D           avrbit  DIDR2,0         ; ADC8 Input Disable
ADC9D           avrbit  DIDR2,1         ; ADC9 Input Disable
ADC10D          avrbit  DIDR2,2         ; ADC10 Input Disable
ADC11D          avrbit  DIDR2,3         ; ADC11 Input Disable
ADC12D          avrbit  DIDR2,4         ; ADC12 Input Disable
ADC13D          avrbit  DIDR2,5         ; ADC13 Input Disable

;----------------------------------------------------------------------------
; USB

                include "usbm.inc"

OTGPADE         avrbit  USBCON,4        ; VBUS Pad Enable
VBUSTE          avrbit  USBCON,0        ; VBUS Transition Interrupt Enable Bit

LSM             avrbit  UDCON,2         ; USB Device Low Speed Mode Selection
RSTCPU          avrbit  UDCON,3         ; USB Reset CPU Bit

MSOFI           avrbit  UDINT,1

MSOFE           avrbit  UDIEN,1

UHWCON          sfr     0xd7            ; USB Hardware Control
UVREGE          avrbit  UHWCON,0        ; USB Pad Regulator Enable

USBSTA          sfr     0xd9            ; 
VBUS            avrbit  USBSTA,0        ; VBus Flag
ID              avrbit  USBSTA,1        ; ID status

USBINT          sfr     0xda            ; 
VBUSTI          avrbit  USBINT,0        ; IVBUS Transition Interrupt Flag

UEBCHX          sfr     0xf3            ; Byte Count High

                restore                 ; re-enable Listing

                endif                   ; __regmxu4inc