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                ifndef  __52xxuartinc           ; avoid multiple inclusion
__52xxuartinc   equ     1

                save
                listing off                     ; no listing over this file
                
;****************************************************************************
;*                                                                          *
;*   AS 1.42 - File 52XXUART.INC                                            *
;*                                                                          *
;*   Contains SFR and Bit Definitions for ColdFire MCF52xx UART             *
;*                                                                          *
;****************************************************************************

__defuart       macro           n,Base
UMR1{n}         equ             Base+0          ; Mode Register 1 (8b)
RXRTS           cfbit           UMR1{n},7       ;  Receiver Request-to-Send Control
RXIRQ           cfbit           UMR1{n},6       ;  Receiver Interrupt Select
ERR             cfbit           UMR1{n},5       ;  Error Mode
PM              cffield         UMR1{n},3,2     ;  Parity Mode
PT              cfbit           UMR1{n},2       ;  Parity Type
BC              cffield         UMR1{n},0,2     ;  Bits per Character
UMR2{n}         equ             Base+0          ; Mode Register 2 (8b)
CM              cffield         UMR2{n},6,2     ;  Channel Mode
TXRTS           cfbit           UMR2{n},5       ;  Transmitter Ready-to-Send
TXCTS           cfbit           UMR2{n},4       ;  Transmitter Clear-to-Send
SB              cffield         UMR2{n},0,4     ;  Stop-Bit Length Control
USR{n}          equ             Base+4          ; Status Register (8b)
RB              cfbit           USR{n},7        ;  Received Break
FE              cfbit           USR{n},6        ;  Framing Error
PE              cfbit           USR{n},5        ;  Parity Error
OE              cfbit           USR{n},4        ;  Overrun Error
TXEMP           cfbit           USR{n},3        ;  Transmitter Empty
TXRDY           cfbit           USR{n},2        ;  Transmitter Ready
FFULL           cfbit           USR{n},1        ;  FIFO Full
RXRDY           cfbit           USR{n},0        ;  Receiver Ready
UCSR{n}         equ             Base+4          ; Clock-Select Register (8b)
RCS             cffield         UCSR{n},4,4     ;  Receiver Clock Select
TCS             cffield         UCSR{n},0,4     ;  Transmitter Clock Select
UCR{n}          equ             Base+8          ; Command Register (8b)
MISC            cffield         UCR{n},4,3      ;  Miscellaneous Commands
TC              cffield         UCR{n},2,2      ;  Transmitter Commands
RC              cffield         UCR{n},0,2      ;  Receiver Commands
URB{n}          equ             Base+$c         ; Receiver Buffer (8b)
UTB{n}          equ             Base+$c         ; Transmitter Buffer (8b)
UIPCR{n}        equ             Base+$10        ; Input Port Change Register (8b)
COS             cfbit           UIPCR{n},4      ;  Change-of-State
CTS             cfbit           UIPCR{n},0      ;  Current State
UACR{n}         equ             Base+$10        ; Auxiliary Control Register (8b)
IEC             cfbit           UACR{n},0       ;  Input Enable Control
UISR{n}         equ             Base+$14        ; Interrupt Status Register (8b)
COS             cfbit           UISR{n},7       ;  Change-of-State
DB              cfbit           UISR{n},2       ;  Delta Break
RXRDY           cfbit           UISR{n},1       ;  Receiver Ready or FIFO Full
FFULL           cfbit           UISR{n},1
TXRDY           cfbit           UISR{n},0       ;  Transmitter Ready
UIMR{n}         equ             Base+$14        ; Interrupt Mask Register (8b)
COS             cfbit           UIMR{n},7       ;  Change-of-State
DB              cfbit           UIMR{n},2       ;  Delta Break
FFULL           cfbit           UIMR{n},1       ;  Receiver Ready or FIFO Full
RXRDY           cfbit           UIMR{n},1
TXRDY           cfbit           UIMR{n},0       ;  Transmitter Ready
UBG1{n}         equ             Base+$18        ; Baud Rate Generator Prescale MSB (8b)
UDU{n}          equ             Base+$18        ;  alternate name
UBG2{n}         equ             Base+$1c        ; Baud Rate Generator Prescale LSB (8b)
UDL{n}          equ             Base+$1c        ;  alternate name
UIVR{n}         equ             Base+$30        ; Interrupt Vector Register (8b, not on all variants)
UIP{n}          equ             Base+$34        ; Input Port Register (8b)
CTS             cfbit           UIP{n},0        ;  CTS Current State
UOP1{n}         equ             Base+$38        ; Output Port Bit Set CMD (8b)
RTS             cfbit           UOP1{n},0       ;  set RTS
UOP0{n}         equ             Base+$3c        ; Output Port Bit Reset CMD (8b)        
RTS             cfbit           UOP0{n},0       ;  reset RTS
                endm

                restore                         ; re-enable listing

                endif                           ; __52xxuartinc