
263
7682C–AUTO–04/08
AT90CAN32/64/128
When a remote or data frame is received, this bit does not operate in the comparison but it is
updated with un-predicted values.
Bit 0 – RB0TAG: Reserved Bit 0 Tag
RB0 bit of the remote or data frame to send.
This tag is updated with the corresponding value of the remote or data frame received.
V2.0 part B
Bit 31:3 – IDT28:0: Identifier Tag
Identifier field of the remote or data frame to send.
This field is updated with the corresponding value of the remote or data frame received.
Bit 2 – RTRTAG: Remote Transmission Request Tag
RTR bit of the remote or data frame to send.
This tag is updated with the corresponding value of the remote or data frame received. In case
of Automatic Reply mode, this bit is automatically reset before sending the response.
Bit 1 – RB1TAG: Reserved Bit 1 Tag
RB1 bit of the remote or data frame to send.
This tag is updated with the corresponding value of the remote or data frame received.
Bit 0 – RB0TAG: Reserved Bit 0 Tag
RB0 bit of the remote or data frame to send.
This tag is updated with the corresponding value of the remote or data frame received.
19.11.4
CAN Identifier Mask Registers -
CANIDM1, CANIDM2, CANIDM3, and CANIDM4
V2.0 part A
V2.0 part B
Bit
15/7
14/6
13/5
12/4
11/3
10/2
9/1
8/0
-
RTRMSK
-
IDEMSK
CANIDM4
-
CANIDM3
IDMSK2
IDMSK1
IDMSK0
-
CANIDM2
IDMSK10
IDMSK9
IDMSK8
IDMSK7
IDMSK6
IDMSK5
IDMSK4
IDMSK3
CANIDM1
Bit
31/23
30/22
29/21
28/20
27/19
26/18
25/17
24/16
Read/Write
R/W
Initial Value
-
Bit
15/7
14/6
13/5
12/4
11/3
10/2
9/1
8/0
IDMSK4
IDMSK3
IDMSK2
IDMSK1
IDMSK0
RTRMSK
-
IDEMSK
CANIDM4
IDMSK12
IDMSK11
IDMSK10
IDMSK9
IDMSK8
IDMSK7
IDMSK6
IDMSK5
CANIDM3
IDMSK20
IDMSK19
IDMSK18
IDMSK17
IDMSK16
IDMSK15
IDMSK14
IDMSK13
CANIDM2
IDMSK28
IDMSK27
IDMSK26
IDMSK25
IDMSK24
IDMSK23
IDMSK22
IDMSK21
CANIDM1
Bit
31/23
30/22
29/21
28/20
27/19
26/18
25/17
24/16
Read/Write
R/W
Initial Value
-