atmega32c1 ATMEL Corporation, atmega32c1 Datasheet - Page 198

• Manufacturer Part Number: atmega32c1
• Description: Atmega32m1 Automotive 8-bit Avr Microcontroller With 32k/64k Bytes In-system Programmable Flash
• Manufacturer: ATMEL Corporation

198
ATmega32/64/M1/C1
V2.0 part A
V2.0 part B
• Bit 31:21 – IDMSK10:0: Identifier Mask
• Bit 20:3 – Reserved Bits
These bits are reserved for future use. For compatibility with future devices, they must be written
to zero when CANIDMn are written.
• Bit 2 – RTRMSK: Remote Transmission Request Mask
• Bit 1 – Reserved Bit
This bit is reserved for future use. For compatibility with future devices, it must be written to zero
when CANIDTn are written.
• Bit 0 – IDEMSK: Identifier Extension Mask
• Bit 31:3 – IDMSK28:0: Identifier Mask
• Bit 2 – RTRMSK: Remote Transmission Request Mask
• Bit 1 – Reserved Bit
Writing zero in this bit is recommended.
• Bit 0 – IDEMSK: Identifier Extension Mask
Initial Value
Initial Value
Read/Write
Read/Write
Bit
Bit
Bit
– 0 - comparison true forced -
– 1 - bit comparison enabled -
– 0 - comparison true forced
– 1 - bit comparison enabled.
– 0 - comparison true forced
– 1 - bit comparison enabled.
– 0 - comparison true forced -
– 1 - bit comparison enabled. -
– 0 - comparison true forced
– 1 - bit comparison enabled.
V2.0 part B
IDMSK12
IDMSK20
IDMSK28
IDMSK4
31/23
31/23
R/W
15/7
R/W
-
-
IDMSK11
IDMSK19
IDMSK27
IDMSK3
30/22
30/22
R/W
14/6
R/W
-
-
IDMSK10
IDMSK18
IDMSK26
IDMSK2
29/21
29/21
R/W
13/5
R/W
-
-
See “Acceptance Filter” on page 179.
See “Acceptance Filter” on page 179.
See “Acceptance Filter” on page 179.
See “Acceptance Filter” on page 179.
IDMSK17
IDMSK25
IDMSK1
IDMSK9
28/20
28/20
R/W
12/4
R/W
-
-
IDMSK16
IDMSK24
IDMSK0
IDMSK8
27/19
27/19
R/W
11/3
R/W
-
-
RTRMSK
IDMSK15
IDMSK23
IDMSK7
26/18
26/18
R/W
10/2
R/W
-
-
IDMSK14
IDMSK22
IDMSK6
25/17
25/17
R/W
R/W
9/1
-
-
-
IDMSK13
IDMSK21
IDEMSK
IDMSK5
24/16
24/16
R/W
R/W
8/0
-
-
CANIDM4
CANIDM3
CANIDM2
CANIDM1
7647A–AVR–02/08