MC68HC05X4 Datasheet, PDF (97/156 Pages) Motorola, Inc – HCMOS Microcontroller Unit

Freescale Semiconductor, Inc.
Motorola CAN
Interface to the MC68HC05X4 CPU
Remote
transmission
request and data
length code
register (RRTDL)
The layout of this register is identical to the TRTDL register (see Remote
transmission request and data length code register (TRTDL)).
Address: $0035
Bit 7
6
5
4
3
2
1
Bit 0
ID2
ID1
ID0
RTR DLC3 DLC2 DLC1 DLC0
Reset:
Undefined
Figure 19. RTR and Data Length Code Register (RRTDL)
Receive data
segment registers
(RDS) 1 – 8
The layout of these registers is identical to the TDSx registers (see
Transmit data segment registers (TDS) 1 – 8).
Address: $0036–$003D
Bit 7
6
5
4
3
2
1
Bit 0
DB7
DB6
DB5
DB4
DB3
DB2
DB1
DB0
Reset:
Undefined
Figure 20. Receive Data Segment Registers (RDS)
(Note that there are actually two receive buffer register sets, but
switching between them is handled internally by the MCAN.)
29-mcan
MOTOROLA
Motorola CAN
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Go to: www.freescale.com
MC68HC05X4 Rev 1.0
97