Rainbow Electronics T89C51CC01 - Manual (Page 102)

102
T89C51CC01
Rev. D – 17-Dec-01
Table 66. CANIDM4 Register for V2.0 part A
CANIDM4 for V2.0 part A
(S:C7h)
CAN Identifier Mask Registers 4
Note: The ID Mask is only used for reception.
No default value after reset.
Table 67. CANIDM1 Register for V2.0 part B
CANIDM1 for V2.0 part B
(S:C4h)
CAN Identifier Mask Registers 1
Note: The ID Mask is only used for reception.
No default value after reset.
7 6 5 4 3 2 1 0
- - - - - RTRMSK - IDEMSK
Bit
Number
Bit
Mnemonic Description
7-3 -
Reserved
The values read from these bits are indeterminate. Do not set these bits.
2 RTRMSK
Remote transmission request mask value
0 - comparison true forced.
1 - bit comparison enabled.
1 -
Reserved
The value read from this bit is indeterminate. Do not set this bit.
0 IDEMSK
IDentifier Extension mask value
0 - comparison true forced.
1 - bit comparison enabled.
7 6 5 4 3 2 1 0
IDMSK 28 IDMSK 27 IDMSK 26 IDMSK 25 IDMSK 24 IDMSK 23 IDMSK 22 IDMSK 21
Bit
Number
Bit
Mnemonic Description
7-0
IDMSK28:
21
IDentifier mask value
0 - comparison true forced.
1 - bit comparison enabled.
See Figure 37.