Freescale Semiconductor MPC5200B User Manual page 662

Table 19-27. Receive / Transmit Message Buffer Extended Identifier (continued)
Register
IDR1 Read:
Write:
IDR2 Read:
Write:
IDR3 Read:
Write:
DSR0 Read:
Write:
DSR1 Read:
Write:
DSR2 Read:
Write:
DSR3 Read:
Write:
DSR4 Read:
Write:
DSR5 Read:
Write:
DSR6 Read:
Write:
DSR7 Read:
Write:
DLR Read:
Write:
a
Unused bits are always read 'x'
Read: anytime for transmit buffers; only when RXF flag is set for receive buffers (see
(CANRFLG)—MBAR+0x0908 /
Write: anytime for transmit buffers when TXEx flag is set (see
0x090C / 0x98C) and the corresponding transmit buffer is selected in CANTBSEL (see
(CANTBSEL)—MBAR + 0x0914
Reset: $xx because of RAM based implementation
Freescale Semiconductor
Bit 7 6 5
ID20 ID19 ID18
ID14 ID13 ID12
ID6 ID5 ID4
DB7 DB6 DB5
DB7 DB6 DB5
DB7 DB6 DB5
DB7 DB6 DB5
DB7 DB6 DB5
DB7 DB6 DB5
DB7 DB6 DB5
DB7 DB6 DB5
a
= Unused
0x988).
Section 19.5.9, MSCAN Transmitter Flag Register (CANTFLG)—MBAR +
/0x0991); unimplemented for receive buffers
MPC5200B Users Guide, Rev. 1
Programmer's Model of Message Storage
4 3 2
SRR (=1) IDE (=1) ID17
ID11 ID10 ID9
ID3 ID2 ID1
DB4 DB3 DB2
DB4 DB3 DB2
DB4 DB3 DB2
DB4 DB3 DB2
DB4 DB3 DB2
DB4 DB3 DB2
DB4 DB3 DB2
DB4 DB3 DB2
DLC3 DLC2
Section 19.5.7, MSCAN Receiver Flag Register
Section 19.5.13, MSCAN Transmit Buffer Selection
1 Bit 0 ADDR
ID16 ID15 $__01
ID8 ID7 $__04
ID0 RTR $__05
DB1 DB0 $__08
DB1 DB0 $__09
DB1 DB0 $__0C
DB1 DB0 $__0D
DB1 DB0 $__10
DB1 DB0 $__11
DB1 DB0 $__14
DB1 DB0 $__15
DLC1 DLC0 $__18
19-23