Features
•
High Performance, Low Power AVR
®
8-bit Microcontroller
•
Advanced RISC Architecture
– 131 Powerful Instructions - Most Single Clock Cycle Execution
– 32 x 8 General Purpose Working Registers
– Fully Static Operation
– Up to 1 MIPS throughput per MHz
– On-chip 2-cycle Multiplier
Data and Non-Volatile Program Memory
– 16K/32K/64K Bytes Flash of In-System Programmable Program Memory
• Endurance: 10,000 Write/Erase Cycles
– Optional Boot Code Section with Independent Lock Bits
– In-System Programming by On-chip Boot Program
• True Read-While-Write Operation
– 512/1024/2048 Bytes of In-System Programmable EEPROM
• Endurance: 100,000 Write/Erase Cycles
Programming Lock for Flash Program and EEPROM Data Security
1024/2048/4096 Bytes Internal SRAM
On Chip Debug Interface (debugWIRE)
CAN 2.0A/B with 6 Message Objects - ISO 16845 Certified
(1)
LIN 2.1 and 1.3 Controller or 8-Bit UART
One 12-bit High Speed PSC (Power Stage Controller) (only ATmega16/32/64M1)
• Non Overlapping Inverted PWM Output Pins With Flexible Dead-Time
• Variable PWM duty Cycle and Frequency
• Synchronous Update of all PWM Registers
• Auto Stop Function for Emergency Event
Peripheral Features
– One 8-bit General purpose Timer/Counter with Separate Prescaler, Compare Mode
and Capture Mode
– One 16-bit General purpose Timer/Counter with Separate Prescaler, Compare
Mode and Capture Mode
– One Master/Slave SPI Serial Interface
– 10-bit ADC
• Up To 11 Single Ended Channels and 3 Fully Differential ADC Channel Pairs
• Programmable Gain (5x, 10x, 20x, 40x) on Differential Channels
• Internal Reference Voltage
• Direct Power Supply Voltage Measurement
– 10-bit DAC for Variable Voltage Reference (Comparators, ADC)
– Four Analog Comparators with Variable Threshold Detection
– 100µA ±6% Current Source (LIN Node Identification)
– Interrupt and Wake-up on Pin Change
– Programmable Watchdog Timer with Separate On-Chip Oscillator
– On-chipTemperature Sensor
Special Microcontroller Features
– Low Power Idle, Noise Reduction, and Power Down Modes
– Power On Reset and Programmable Brown Out Detection
– In-System Programmable via SPI Port
– High Precision Crystal Oscillator for CAN Operations (16 MHz)
See certification on Atmel
®
web site and note on
“Baud Rate” on page 177.
•
•
•
•
•
•
•
8-bit
Microcontroller
with
16K/32K/64K
Bytes In-System
Programmable
Flash
ATmega16M1
ATmega32M1
ATmega64M1
ATmega32C1
ATmega64C1
Automotive
•
•
1.
7647F–AVR–04/09
– Internal Calibrated RC Oscillator (8 MHz)
– On-chip PLL for fast PWM (32 MHz, 64 MHz) and CPU (16 MHz)
•
Operating Voltage:
– 2.7V - 5.5V
•
Extended Operating Temperature:
– -40°C to +125°C
•
Core Speed Grade:
– 0 - 8 MHz @ 2.7 - 4.5V
– 0 - 16 MHz @ 4.5 - 5.5V
ATmega32/64/M1/C1 Product Line-up
Part Number
Flash Size
RAM Size
EEPROM Size
8-bit Timer
16-bit Timer
PSC
PWM Outputs
Fault Inputs (PSC)
PLL
10-bit ADC Channels
10-bit DAC
Analog Comparators
Current Source
CAN
LIN/UART
On-Chip Temp. Sensor
SPI Interface
4
0
No
4
0
10
3
32/64 MHz
11 single
3 Differential
Yes
4
Yes
Yes
Yes
Yes
Yes
ATmega32C1
32 Kbyte
2048 bytes
1024 bytes
ATmega64C1
64 Kbyte
4096 bytes
2048 bytes
ATmega16M1
16 Kbyte
1024 bytes
512 bytes
Yes
Yes
Yes
10
3
10
3
ATmega32M1
32 Kbyte
2048 bytes
1024 bytes
ATmega64M1
64 Kbyte
4096 bytes
2048 bytes
2
ATmega16/32/64/M1/C1
7647F–AVR–04/09
ATmega16/32/64/M1/C1
1. Pin Configurations
Figure 1-1.
ATmega16/32/64M1 TQFP32/QFN32 (7*7 mm) Package.
PB7 (ADC4/PSCOUT0B/SCK/PCINT7)
PB6 (ADC7/PSCOUT1B/PCINT6)
PB5 (ADC6/INT2/ACMPN1/AMP2-/PCINT5)
PC7 (D2A/AMP2+/PCINT15)
ATmega32/64M1 TQFP32/QFN32
PC0
(PCINT8/INT3/PSCOUT1A)
PD1
(PCINT17/PSCIN0/CLKO)
PE0
(PCINT24/RESET/OCD)
32
31
30
29
28
27
26
25
PD0
(PCINT16/PSCOUT0A)
(PCINT18/PSCIN2/OC1A/MISO_A) PD2
(PCINT19/TXD/TXLIN/OC0A/SS/MOSI_A) PD3
(PCINT9/PSCIN1/OC1B/SS_A) PC1
VCC
GND
(PCINT10/T0/TXCAN) PC2
(PCINT11/T1/RXCAN/ICP1B) PC3
(PCINT0/MISO/PSCOUT2A) PB0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
24
23
22
21
20
19
18
17
PB4 (AMP0+/PCINT4)
PB3 (AMP0-/PCINT3)
PC6 (ADC10/ACMP1/PCINT14)
AREF(ISRC)
AGND
AVCC
PC5 (ADC9/ACMP3/AMP1+/PCINT13)
PC4 (ADC8/ACMPN3/AMP1-/PCINT12)
Note:
On the engineering samples (Parts marked AT90PWM324), the ACMPN3 alternate function is not
located on PC4. It is located on PE2.
(PCINT1/MOSI/PSCOUT2B) PB1
(PCINT25/OC0B/XTAL1) PE1
(PCINT26/ADC0/XTAL2) PE2
(PCINT20/ADC1/RXD/RXLIN/ICP1A/SCK_A) PD4
(ADC2/ACMP2/PCINT21) PD5
(ADC3/ACMPN2/INT0/PCINT22) PD6
(ACMP0/PCINT23) PD7
(ADC5/INT1/ACMPN0/PCINT2) PB2
3
7647F–AVR–04/09
Figure 1-2.
ATmega32/64C1 TQFP32/QFN32 (7*7 mm) Package
PB7 (ADC4/SCK/PCINT7)
PB6 (ADC7PCINT6)
PB5 (ADC6/INT2/ACMPN1/AMP2-/PCINT5)
PC7 (D2A/AMP2+/PCINT15)
ATmega32/64C1 TQFP32/QFN32
PE0
(PCINT24/RESET/OCD)
PD1
(PCINT17/CLKO)
PC0
(PCINT8/INT3)
32
31
30
29
28
27
26
25
PD0
(PCINT16)
(PCINT18/OC1A/MISO_A) PD2
(PCINT19/TXD/TXLIN/OC0A/SS/MOSI_A) PD3
(PCINT9/OC1B/SS_A) PC1
VCC
GND
(PCINT10/T0/TXCAN) PC2
(PCINT11/T1/RXCAN/ICP1B) PC3
(PCINT0/MISO) PB0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
24
23
22
21
20
19
18
17
PB4 (AMP0+/PCINT4)
PB3 (AMP0-/PCINT3)
PC6 (ADC10/ACMP1/PCINT14)
AREF(ISRC)
AGND
AVCC
PC5 (ADC9/ACMP3/AMP1+/PCINT13)
PC4 (ADC8/ACMPN3/AMP1-/PCINT12)
Note:
On the first engineering samples (Parts marked AT90PWM324), the ACMPN3 alternate function is
not located on PC4. It is located on PE2.
4
ATmega16/32/64/M1/C1
7647F–AVR–04/09
(PCINT1/MOSI) PB1
(PCINT25/OC0B/XTAL1) PE1
(PCINT26/ADC0/XTAL2) PE2
(PCINT20/ADC1/RXD/RXLIN/ICP1A/SCK_A) PD4
(ADC2/ACMP2/PCINT21) PD5
(ADC3/ACMPN2/INT0/PCINT22) PD6
(ACMP0/PCINT23) PD7
(ADC5/INT1/ACMPN0/PCINT2) PB2
ATmega16/32/64/M1/C1
1.1
Pin Descriptions
:
Table 1-1.
QFN32 Pin
Number
5
20
4
Pin out description
Mnemonic
GND
AGND
VCC
Type
Power
Power
Power
Name, Function & Alternate Function
Ground:
0V reference
Analog Ground:
0V reference for analog part
Power Supply
Analog Power Supply:
This is the power supply voltage for analog
part
For a normal use this pin must be connected.
Analog Reference :
reference for analog converter . This is the
reference voltage of the A/D converter. As output, can be used by
external analog
ISRC (Current Source Output)
MISO (SPI Master In Slave Out)
19
AVCC
Power
21
AREF
Power
8
PB0
I/O
PSCOUT2A
(1)
(PSC Module 2 Output A)
PCINT0 (Pin Change Interrupt 0)
MOSI (SPI Master Out Slave In)
9
PB1
I/O
PSCOUT2B
(1)
(PSC Module 2 Output B)
PCINT1 (Pin Change Interrupt 1)
ADC5 (Analog Input Channel 5 )
16
PB2
I/O
INT1 (External Interrupt 1 Input)
ACMPN0 (Analog Comparator 0 Negative Input)
PCINT2 (Pin Change Interrupt 2)
23
PB3
I/O
AMP0- (Analog Differential Amplifier 0 Negative Input)
PCINT3 (Pin Change Interrupt 3)
AMP0+ (Analog Differential Amplifier 0 Positive Input)
PCINT4 (Pin Change Interrupt 4)
ADC6 (Analog Input Channel 6)
INT2 (External Interrupt 2 Input)
24
PB4
I/O
26
PB5
I/O
ACMPN1 (Analog Comparator 1 Negative Input)
AMP2- (Analog Differential Amplifier 2 Negative Input)
PCINT5 (Pin Change Interrupt 5)
ADC7 (Analog Input Channel 7)
27
PB6
I/O
PSCOUT1B
(1)
(PSC Module 1 Output A)
PCINT6 (Pin Change Interrupt 6)
ADC4 (Analog Input Channel 4)
28
PB7
I/O
PSCOUT0B
(1)
(PSC Module 0 Output B)
SCK (SPI Clock)
PCINT7 (Pin Change Interrupt 7)
PSCOUT1A
(1)
(PSC Module 1 Output A)
30
PC0
I/O
INT3 (External Interrupt 3 Input)
PCINT8 (Pin Change Interrupt 8)
5
7647F–AVR–04/09
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