Rainbow Electronics T89C51CC01 User Manual
Page 91
91
T89C51CC01
Rev. D – 17-Dec-01
Table 45. CANEN2 Register
CANEN2 (S:CFh Read Only)
CAN Enable message object
Registers 2
Reset Value: 0000 0000b
Table 46. CANSIT1 Register
CANSIT1 (S:BAh)
CAN Status Interrupt message
object Registers 1
Note:
1. This field is Read Only
Reset Value: x000 0000b
7
6
5
4
3
2
1
0
ENCH7
ENCH6
ENCH5
ENCH4
ENCH3
ENCH2
ENCH1
ENCH0
Bit
Number
Bit
Mnemonic
Description
7-0
ENCH7:0
Enable message object
0 - message object is disabled => the message object is free for a new emission
or reception.
1 - message object is enabled.
This bit is resetable by re-writing the CANCONCH of the corresponding message
object.
7
6
5
4
3
2
1
0
-
SIT14
SIT13
SIT12
SIT11
SIT10
SIT9
SIT8
Bit
Number
Bit
Mnemonic
Description
7
-
Reserved
The values read from this bit is indeterminate. Do not set this bit.
6-0
SIT14:8
Status of interrupt by message object (
1
)
0 - no interrupt.
1 - IT turned on. Reset when interrupt condition is cleared by user.
SIT14:8 = 0b 0000 1001 -> IT’s on message objects 11 & 8.
see Figure 33.