Datasheet

Programmer’s Model of Control Registers
MC68HC908GZ16 • MC68HC908GZ8 Data Sheet, Rev. 4
Freescale Semiconductor 141
12.13 Programmer’s Model of Control Registers
The programmer’s model has been laid out for maximum simplicity and efficiency. Figure 12-15 gives an
overview on the control register block of the MSCAN08.
Addr. Register Bit 7 6 5 4 3 2 1 Bit 0
$0500 CMCR0
Read: 0 0 0 SYNCH
TLNKEN
SLPAK
SLPRQ SFTRES
Write:
$0501 CMCR1
Read: 0 0 0 0 0
LOOPB WUPM CLKSRC
$0502 CBTR0
Read:
SJW1 SJW0 BRP5 BRP4 BRP3 BRP2 BRP1 BRP0
Write:
$0503 CBTR1
Read:
SAMP TSEG22 TSEG21 TSEG20 TSEG13 TSEG12 TSEG11 TSEG10
Write:
$0504 CRFLG
Read:
WUPIF RWRNIF TWRNIF RERRIF TERRIF BOFFIF OVRIF RXF
Write:
$0505 CRIER
Read:
WUPIE RWRNIE TWRNIE RERRIE TERRIE BOFFIE OVRIE RXFIE
Write:
$0506 CTFLG
Read: 0 ABTAK2 ABTAK1 ABTAK0 0
TXE2 TXE1 TXE0
Write:
$0507 CTCR
Read: 0
ABTRQ2 ABTRQ1 ABTRQ0
0
TXEIE2 TXEIE1 TXEIE0
Write:
$0508 CIDAC
Read: 0 0
IDAM1 IDAM0
0 0 IDHIT1 IDHIT0
Write:
$0509 Reserved
Read:
RRRRRRRR
Write:
$050E CRXERR
Read:
RXERR7 RXERR6 RXERR5 RXERR4 RXERR3 RXERR2 RXERR1 RXERR0
Write:
$050F CTXERR
Read:
TXERR7 TXERR6 TXERR5 TXERR4 TXERR3 TXERR2 TXERR1 TXERR0
Write:
$0510 CIDAR0
Read:
AC7 AC6 AC5 AC4 AC3 AC2 AC1 AC0
Write:
$0511 CIDAR1
Read:
AC7 AC6 AC5 AC4 AC3 AC2 AC1 AC0
Write:
= Unimplemented R = Reserved
Figure 12-15. MSCAN08 Control Register Structure