Philips LPC2119 User Manual page 167

Philips Semiconductors
ARM-based Microcontroller
Rx Data Register A (CANRDA - 0xE00x x028)
This register contains the first 1-4 Data bytes of the current received message. It is read-only in normal operation, but can be
written for testing purposes if the RM bit in CANMOD is 1.
Table 135: CAN Rx Data Register 1 (CANRDA - 0xE00x x028)
CANRDA Name Function
If the DLC field in CANRFS >= 0001, this contains the first Data byte of the current
7:0 Data 1
received message.
If the DLC field in CANRFS >= 0010, this contains the second Data byte of the
15:8 Data 2
current received message.
If the DLC field in CANRFS >= 0011, this contains the third Data byte of the current
23:16 Data 3
received message.
If the DLC field in CANRFS >= 0100, this contains the fourth Data byte of the current
31:24 Data 4
received message.
Rx Data Register B (CANRDB - 0xE00x x02C)
This register contains the 5th through 8th Data bytes of the current received message. It is read-only in normal operation, but
can be written for testing purposes if the RM bit in CANMOD is 1.
Table 136: CAN Rx Data Register B (CANRDB - 0xE00x x02C)
CANRDB Name Function
If the DLC field in CANRFS >= 0101, this contains the 5th Data byte of the current
7:0 Data 5
received message.
If the DLC field in CANRFS >= 0110, this contains the 6th Data byte of the current
15:8 Data 6
received message.
If the DLC field in CANRFS >= 0111, this contains the 7th Data byte of the current
23:16 Data 7
received message.
If the DLC field in CANRFS >= 1000, this contains the 8th Data byte of the current
31:24 Data 8
received message.
CAN Controllers and Acceptance Filter
LPC2119/2129/2292/2294
167
Preliminary User Manual
Reset Value RM Set
0 X
0 X
0 X
0 X
Reset Value RM Set
0 X
0 X
0 X
0 X
January 08, 2004