Rainbow Electronics T89C51CC02 - Manual (Page 96)

96 Rev.A - May 17, 2001
Preliminary
T89C51CC02
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.
Figure 91. CANIDM4 Register for V2.0 part A
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.
Figure 92. CANIDM1 Register for V2.0 part B
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 62.