Rainbow Electronics T89C51CC01 - Manual (Page 92)

92
T89C51CC01
Rev. D – 17-Dec-01
Table 47. CANSIT2 Register
CANSIT2 (S:BBh Read Only)
CAN Status Interrupt message
object Registers 2
Reset Value: 0000 0000b
Table 48. 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 & 0.
see Figure 33.
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 & 10.
see Figure 33.