ATmega32M1 Atmel Corporation, ATmega32M1 Datasheet - Page 192
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ATmega32M1
Manufacturer Part Number
ATmega32M1
Description
Manufacturer
Atmel Corporation
Specifications of ATmega32M1
Flash (kbytes)
32 Kbytes
Pin Count
32
Max. Operating Frequency
16 MHz
Cpu
8-bit AVR
# Of Touch Channels
12
Hardware Qtouch Acquisition
No
Max I/o Pins
27
Ext Interrupts
27
Usb Speed
No
Usb Interface
No
Spi
1
Uart
1
Can
1
Lin
1
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
11
Adc Resolution (bits)
10
Adc Speed (ksps)
125
Analog Comparators
4
Resistive Touch Screen
No
Dac Channels
1
Dac Resolution (bits)
10
Temp. Sensor
Yes
Crypto Engine
No
Sram (kbytes)
2
Eeprom (bytes)
1024
Self Program Memory
YES
Dram Memory
No
Nand Interface
No
Picopower
No
Temp. Range (deg C)
-40 to 85
I/o Supply Class
2.7 to 5.5
Operating Voltage (vcc)
2.7 to 5.5
Fpu
No
Mpu / Mmu
no / no
Timers
2
Output Compare Channels
14
Input Capture Channels
1
Pwm Channels
10
32khz Rtc
No
Calibrated Rc Oscillator
Yes
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Manufacturer
Quantity
Price
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Manufacturer:
ATMEL
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19.11.3
192
ATmega16M1/32M1/64M1
CANIDT1, CANIDT2, CANIDT3, and CANIDT4 – CAN Identifier Tag Registers
These bits are not cleared once the communication is performed. The user must re-write the
configuration to enable a new communication.
• Bit 5 – RPLV: Reply Valid
Used in the automatic reply mode after receiving a remote frame.
• Bit 4 – IDE: Identifier Extension
IDE bit of the remote or data frame to send.
This bit is updated with the corresponding value of the remote or data frame received.
• Bit 3:0 – DLC[3:0]: Data Length Code
Number of Bytes in the data field of the message.
DLC field of the remote or data frame to send. The range of DLC is from 0 up to 8. If DLC field >8
then effective DLC=8.
This field is updated with the corresponding value of the remote or data frame received. If the
expected DLC differs from the incoming DLC, a DLC warning appears in the CANSTMOB
register.
• This operation is necessary to be able to reset the BXOK flag
• This operation also set the corresponding bit in the CANEN registers
Initial Value
Initial Value
Read/Write
Read/Write
– 0 - reply not ready
– 1 - reply ready and valid
– 0 - CAN standard rev 2.0 A (identifiers length = 11 bits)
– 1 - CAN standard rev 2.0 B (identifiers length = 29 bits)
Bit
Bit
Bit
Bit
V2.0 part A
V2.0 part B
IDT10
IDT12
IDT20
IDT28
31/23
31/23
15/7
IDT2
R/W
15/7
IDT4
R/W
-
-
-
-
30/22
IDT11
IDT19
IDT27
30/22
14/6
IDT1
IDT9
R/W
14/6
IDT3
R/W
-
-
-
-
IDT10
IDT18
IDT26
29/21
29/21
13/5
IDT0
IDT8
R/W
13/5
IDT2
R/W
-
-
-
-
28/20
IDT17
IDT25
28/20
12/4
IDT7
R/W
12/4
IDT1
IDT9
R/W
-
-
-
-
-
IDT16
IDT24
27/19
27/19
11/3
IDT6
R/W
11/3
IDT0
IDT8
R/W
-
-
-
-
-
RTRTAG
RTRTAG
26/18
IDT15
IDT23
26/18
10/2
IDT5
R/W
10/2
IDT7
R/W
-
-
-
-
RB1TAG
IDT14
IDT22
25/17
25/17
IDT4
R/W
IDT6
R/W
9/1
9/1
-
-
-
-
-
RB0TAG
RB0TAG
24/16
IDT13
IDT21
24/16
IDT3
R/W
IDT5
R/W
8/0
8/0
-
-
-
-
8209D–AVR–11/10
CANIDT4
CANIDT3
CANIDT2
CANIDT1
CANIDT4
CANIDT3
CANIDT2
CANIDT1
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