ATMEGA64L-8MU Atmel, ATMEGA64L-8MU Datasheet - Page 3

• Manufacturer Part Number: ATMEGA64L-8MU
• Description: IC AVR MCU 64K 8MHZ 3V 64-QFN
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA64L-8MU

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 8MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 53
• 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 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 64-MLF®, 64-QFN
• Cpu Family: ATmega
• Device Core: AVR
• Device Core Size: 8b
• Frequency (max): 8MHz
• Interface Type: JTAG/SPI/TWI/USART
• Total Internal Ram Size: 4KB
• # I/os (max): 53
• Number Of Timers - General Purpose: 4
• Operating Supply Voltage (typ): 3.3/5V
• Operating Supply Voltage (max): 5.5V
• Operating Supply Voltage (min): 2.7V
• On-chip Adc: 8-chx10-bit
• Instruction Set Architecture: RISC
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 64
• Package Type: MLF EP
• Processor Series: ATMEGA64x
• Core: AVR8
• Data Bus Width: 8 bit
• Data Ram Size: 4 KB
• Maximum Clock Frequency: 8 MHz
• Number Of Programmable I/os: 53
• Number Of Timers: 4
• Operating Supply Voltage: 2.7 V to 5.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: EWAVR, EWAVR-BL
• Minimum Operating Temperature: - 40 C
• Package: 64MLF EP
• Family Name: ATmega
• Maximum Speed: 8 MHz
• Controller Family/series: AVR MEGA
• No. Of I/o's: 53
• Eeprom Memory Size: 2KB
• Ram Memory Size: 4KB
• Cpu Speed: 8MHz
• Rohs Compliant: Yes
• For Use With: ATSTK600-TQFP64 - STK600 SOCKET/ADAPTER 64-TQFPATSTK600-TQFP32 - STK600 SOCKET/ADAPTER 32-TQFP770-1007 - ISP 4PORT ATMEL AVR MCU SPI/JTAGATAVRISP2 - PROGRAMMER AVR IN SYSTEMATJTAGICE2 - AVR ON-CHIP D-BUG SYSTEMATSTK500 - PROGRAMMER AVR STARTER KIT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Overview
The ATmega64 is a low-power CMOS 8-bit microcontroller based on the AVR enhanced RISC architecture. By executing
powerful instructions in a single clock cycle, the ATmega64 achieves throughputs approaching 1 MIPS per MHz, allowing
the system designer to optimize power consumption versus processing speed.
Block Diagram
Figure 2. Block Diagram
The AVR core combines a rich instruction set with 32 general purpose working registers. All the 32 registers are directly
connected to the Arithmetic Logic Unit (ALU), allowing two independent registers to be accessed in one single instruction
executed in one clock cycle. The resulting architecture is more code efficient while achieving throughputs up to ten times
faster than conventional CISC microcontrollers.
2490QS–AVR–07/10
AVCC
AREF
PEN
GND
VCC
ON-CHIP DEBUG
PROGRAMMING
BOUNDARY-
JTAG TAP
LOGIC
SCAN
DATA REGISTER
DATA REGISTER
PORTE
PORTF
USART0
PORTF DRIVERS
PORTE DRIVERS
PE0 - PE7
PF0 - PF7
INSTRUCTION
INSTRUCTION
PROGRAM
COUNTER
PROGRAM
REGISTER
CONTROL
DECODER
FLASH
LINES
ADC
REG. PORTE
REG. PORTF
DATA DIR.
DATA DIR.
REGISTERS
PURPOSE
REGISTER
GENERAL
POINTER
STATUS
STACK
SRAM
DATA REGISTER
DATA REGISTER
ALU
X
Y
Z
PORTA
PORTB
PORTB DRIVERS
PORTA DRIVERS
PA0 - PA7
PB0 - PB7
REG. PORTB
REG. PORTA
DATA DIR.
DATA DIR.
MCU CONTROL
OSCILLATOR
WATCHDOG
COUNTERS
INTERRUPT
REGISTER
INTERNAL
EEPROM
TIMER/
TIMER
UNIT
SPI
DATA REGISTER
DATA REGISTER
PORTC
OSCILLATOR
OSCILLATOR
TIMING AND
CALIB. OSC
CONTROL
PORTD
PORTC DRIVERS
USART1
PC0 - PC7
PORTD DRIVERS
PD0 - PD7
REG. PORTC
DATA DIR.
2-WIRE SERIAL
REG. PORTD
INTERFACE
DATA DIR.
8-BIT DATA BUS
DATA REG.
PORTG
ATmega64(L)
PORTG DRIVERS
PG0 - PG4
REG. PORTG
DATA DIR.
RESET
XTAL1
XTAL2
3