ATMEGA64L-8MU Atmel, ATMEGA64L-8MU Datasheet - Page 295

• 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

2490Q–AVR–06/10
Table 120. Pin Name Mapping
Table 121. Pin Values Used to Enter Programming Mode
Table 122. XA1 and XA0 Coding
Signal Name in
Programming Mode
RDY/BSY
OE
WR
BS1
XA0
XA1
PAGEL
BS2
DATA
XA1
0
0
1
1
XA0
PAGEL
0
1
0
1
XA1
XA0
BS1
Pin
Action when XTAL1 is Pulsed
Load Flash or EEPROM Address (High or low address byte determined by BS1)
Load Data (High or Low data byte for Flash determined by BS1)
Load Command
No Action, Idle
Pin Name
PB7 - 0
PD1
PD2
PD3
PD4
PD5
PD6
PD7
PA0
I/O
I/O
O
I
I
I
I
I
I
I
Prog_enable[3]
Prog_enable[2]
Prog_enable[1]
Prog_enable[0]
Function
0: Device is busy programming, 1: Device is ready
for new command
Output Enable (Active low)
Write Pulse (Active low)
Byte Select 1 (“0” selects low byte, “1” selects high
byte)
XTAL Action Bit 0
XTAL Action Bit 1
Program Memory and EEPROM data Page Load
Byte Select 2 (“0” selects low byte, “1” selects 2’nd
high byte)
Bi-directional Data bus (Output when OE is low)
Symbol
ATmega64(L)
Value
0
0
0
0
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