Datasheet

102
A/T89C51CC01
4129N–CAN–03/08
Table 67. CANSIT2 Register
CANSIT2 (S:BBh Read Only)
CAN Status Interrupt Message Object Registers 2
Reset Value = 0000 0000b
Table 68. CANIE1 Register
CANIE1 (S:C2h)
CAN Enable Interrupt Message Object Registers 1
Reset Value = x000 0000b
7 6 5 4 3 2 1 0
SIT7 SIT6 SIT5 SIT4 SIT3 SIT2 SIT1 SIT0
Bit
Number Bit Mnemonic Description
7-0 SIT7:0
Status of Interrupt by Message Object
0 - no interrupt.
1 - IT turned on. Reset when interrupt condition is cleared by user.
SIT7:0 = 0b 0000 1001 -> IT’s on message objects 3 and 0
see Figure 46.
7 6 5 4 3 2 1 0
- IECH14 IECH13 IECH12 IECH11 IECH10 IECH9 IECH8
Bit
Number Bit Mnemonic Description
7 -
Reserved
The values read from this bit is indeterminate. Do not set this bit.
6-0 IECH14:8
Enable interrupt by Message Object
0 - disable IT.
1 - enable IT.
IECH14:8 = 0b 0000 1100 -> Enable IT’s of message objects 11 and 10.
see Figure 46.