Rainbow Electronics T89C51CC01 User 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.