ATMEGA64L-8AU Atmel, ATMEGA64L-8AU Datasheet - Page 337

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

Specifications of ATMEGA64L-8AU

• 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-TQFP, 64-VQFP
• Package: 64TQFP
• Device Core: AVR
• Family Name: ATmega
• Maximum Speed: 8 MHz
• Operating Supply Voltage: 2.5|3.3|5 V
• Data Bus Width: 8 Bit
• Number Of Programmable I/os: 53
• Interface Type: JTAG/SPI/TWI/USART
• On-chip Adc: 8-chx10-bit
• Number Of Timers: 4
• Processor Series: ATMEGA64x
• Core: AVR8
• Data Ram Size: 4 KB
• Maximum Clock Frequency: 8 MHz
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: EWAVR, EWAVR-BL
• Minimum Operating Temperature: - 40 C
• Cpu Family: ATmega
• Device Core Size: 8b
• Frequency (max): 8MHz
• Total Internal Ram Size: 4KB
• # I/os (max): 53
• Number Of Timers - General Purpose: 4
• Operating Supply Voltage (typ): 2.5/3.3/5V
• Operating Supply Voltage (max): 5.5/5.8V
• Operating Supply Voltage (min): 2.4/2.7V
• Instruction Set Architecture: RISC
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 64
• Package Type: TQFP
• 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/JTAG770-1005 - ISP 4PORT FOR ATMEL AVR MCU JTAG770-1004 - ISP 4PORT FOR ATMEL AVR MCU SPIATAVRISP2 - PROGRAMMER AVR IN SYSTEMATJTAGICE2 - AVR ON-CHIP D-BUG SYSTEMATSTK500 - PROGRAMMER AVR STARTER KIT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Table 141. External Data Memory Characteristics, 2.7V - 5.5V, No Wait-state (Continued)
Notes:
Table 142. External Data Memory Characteristics, 2.7V - 5.5V, SRWn1 = 0, SRWn0 = 1
Table 143. External Data Memory Characteristics, 2.7V - 5.5V, SRWn1 = 1, SRWn0 = 0
Table 144. External Data Memory Characteristics, 2.7V - 5.5V, SRWn1 = 1, SRWn0 = 1
2490Q–AVR–06/10
13
14
15
16
0
10
12
15
16
0
10
12
15
16
0
10
12
14
15
16
Symbol
t
t
t
t
Symbol
1/t
t
t
t
t
Symbol
1/t
t
t
t
t
Symbol
1/t
t
t
t
t
t
DVWL
WHDX
DVWH
WLWH
RLDV
RLRH
DVWH
WLWH
RLDV
RLRH
DVWH
WLWH
RLDV
RLRH
WHDX
DVWH
WLWH
1. This assumes 50% clock duty cycle. The half period is actually the high time of the external clock, XTAL1.
2. This assumes 50% clock duty cycle. The half period is actually the low time of the external clock, XTAL1.
CLCL
CLCL
CLCL
Parameter
Data Setup to WR Low
Data Hold After WR High
Data Valid to WR High
WR Pulse Width
Parameter
Oscillator Frequency
Read Low to Data Valid
RD Pulse Width
Data Valid to WR High
WR Pulse Width
Parameter
Oscillator Frequency
Read Low to Data Valid
RD Pulse Width
Data Valid to WR High
WR Pulse Width
Parameter
Oscillator Frequency
Read Low to Data Valid
RD Pulse Width
Data Hold After WR High
Data Valid to WR High
WR Pulse Width
Min
105
235
250
235
Min
485
500
485
Min
735
750
735
Min
735
485
750
735
4 MHz Oscillator
4 MHz Oscillator
4 MHz Oscillator
4 MHz Oscillator
Max
Max
Max
Max
440
690
690
0.5t
1.0t
1.0t
2.0t
2.0t
3.0t
3.0t
3.0t
2.0t
3.0t
1.0t
2.0t
3.0t
3.0t
CLCL
Min
Min
Min
Min
CLCL
CLCL
CLCL
CLCL
CLCL
CLCL
CLCL
CLCL
CLCL
0.0
0.0
0.0
Variable Oscillator
Variable Oscillator
Variable Oscillator
Variable Oscillator
CLCL
CLCL
CLCL
CLCL
-20
-15
-15
-15
-15
-15
-15
-15
-15
-15
(1)
ATmega64(L)
2.0t
3.0t
3.0t
Max
Max
Max
Max
CLCL
CLCL
CLCL
8
8
8
-60
-60
-60
MHz
MHz
MHz
Unit
Unit
Unit
Unit
ns
ns
ns
ns
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