ATMEGA64M1-AU Atmel, ATMEGA64M1-AU Datasheet - Page 334

• Manufacturer Part Number: ATMEGA64M1-AU
• Description: IC MCU AVR 64K FLASH 32TQFP
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA64M1-AU

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 16MHz
• Connectivity: CAN, LIN, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
• Program Memory Size: 64KB (32K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 2K x 8
• Ram Size: 4K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 11x10b; D/A 1x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 32-TQFP, 32-VQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Number Of I /o: -
• Lead Free Status / Rohs Status: Details

Table of Contents
i
ATmega16M1/32M1/64M1
1
2
3
4
5
6
7
8
Features ..................................................................................................... 1
Pin Configurations ................................................................................... 2
Overview ................................................................................................... 5
Resources ................................................................................................. 9
About Code Examples ............................................................................. 9
Data Retention .......................................................................................... 9
AVR CPU Core ........................................................................................ 10
Memories ................................................................................................ 18
System Clock and their Distribution .................................................... 27
1.1
2.1
2.2
6.1
6.2
6.3
6.4
6.5
6.6
6.7
7.1
7.2
7.3
7.4
7.5
7.6
7.7
8.1
8.2
8.3
8.4
8.5
8.6
Pin Descriptions .................................................................................................3
Block Diagram ...................................................................................................6
Pin Descriptions .................................................................................................7
Overview ..........................................................................................................10
ALU – Arithmetic Logic Unit .............................................................................11
Status Register ................................................................................................11
General Purpose Register File ........................................................................13
Stack Pointer ...................................................................................................14
Instruction Execution Timing ...........................................................................15
Reset and Interrupt Handling ...........................................................................16
Overview ..........................................................................................................18
In-System Reprogrammable Flash Program Memory .....................................18
SRAM Data Memory ........................................................................................19
EEPROM Data Memory ..................................................................................20
I/O Memory ......................................................................................................21
General Purpose I/O Registers .......................................................................21
Register Description ........................................................................................22
Clock Systems and their Distribution ...............................................................27
Clock Sources .................................................................................................28
Default Clock Source .......................................................................................29
Low Power Crystal Oscillator ...........................................................................29
Calibrated Internal RC Oscillator .....................................................................30
PLL ..................................................................................................................31
8209D–AVR–11/10