185
ATmega16M1/32M1/64M1 [DATASHEET]
8209E–AVR–11/2012
V2.0 part B
V2.0
part A
Bit 31:21 – IDT[10:0]: 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 20:3 – Reserved Bits
These bits are reserved for future use. For compatibility with future devices, they must be written to zero when
CANIDTn are written.
When a remote or data frame is received, these bits do not operate in the comparison but they are updated with
un-predicted values.
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 – Res: Reserved
This bit is reserved for future use. For compatibility with future devices, it must be written to zero when CANIDTn
are written.
When a remote or data frame is received, this bit does not operate in the comparison but it is updated with un-pre-
dicted 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 – IDT[28:0]: 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
15/714/613/512/411/310/2
9/1
8/0
IDT4
IDT3
IDT2
IDT1
IDT0
RTRTAG
RB1TAG
RB0TAG
CANIDT4
IDT12
IDT11
IDT10
IDT9
IDT8
IDT7
IDT6
IDT5
CANIDT3
IDT20
IDT19
IDT18
IDT17
IDT16
IDT15
IDT14
IDT13
CANIDT2
IDT28
IDT27
IDT26
IDT25
IDT24
IDT23
IDT22
IDT21
CANIDT1
Bit
31/23
30/22
29/21
28/20
27/19
26/18
25/17
24/16
Read/write
R/W
Initial value
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