Subversion Repositories pentevo

                ifndef  __52xxi2cinc            ; avoid multiple inclusion
__52xxi2cinc    equ     1

                save
                listing off                     ; no listing over this file
                
;****************************************************************************
;*                                                                          *
;*   AS 1.42 - File 52XXI2C.INC                                             *
;*                                                                          *
;*   Contains SFR and Bit Definitions for ColdFire MCF52xx I2C Interface    *
;*                                                                          *
;****************************************************************************

I2ADR           equ             MBAR_I2C+0      ; Address Register (8b)
IADR            equ             I2ADR
ADR             cffield         I2ADR,1,7       ;  Slave Address
I2FDR           equ             MBAR_I2C+4      ; Frequency Divider Register (8b)
IFDR            equ             I2FDR
IC              cffield         I2ADR,0,6       ;  I2C Clock Rate
I2CR            equ             MBAR_I2C+8      ; Control Register (8b)
IEN             cfbit           I2CR,7          ;  I2C Enable
IIEN            cfbit           I2CR,6          ;  I2C Interrupt Enable
MSTA            cfbit           I2CR,5          ;  Master/Slave Mode Select Bit
MTX             cfbit           I2CR,4          ;  Transmit/Receive Mode Select Bit
TXAK            cfbit           I2CR,3          ;  Transmit Acknowledge Enable
RSTA            cfbit           I2CR,2          ;  Repeat Start
I2SR            equ             MBAR_I2C+12     ; Status Register (8b)
ICF             cfbit           I2SR,7          ;  I2C Data Transferring Bit
IAAS            cfbit           I2SR,6          ;  I2C Addressed as a Slave Bit
IBB             cfbit           I2SR,5          ;  I2C Bus Busy Bit
IAL             cfbit           I2SR,4          ;  I2C Arbitration Lost
SRW             cfbit           I2SR,2          ;  Slave Read/Write
IIF             cfbit           I2SR,1          ;  I2C Interrupt
RXAK            cfbit           I2SR,0          ;  Received Acknowledge
I2DR            equ             MBAR_I2C+16     ; Data I/O Register (8b)

                restore                         ; re-enable listing

                endif                           ; __52xxi2cinc