ATMEGA64L-8AI Atmel, ATMEGA64L-8AI Datasheet - Page 338

• Manufacturer Part Number: ATMEGA64L-8AI
• Description: IC AVR MCU 64K LV 8MHZ IND64TQFP
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA64L-8AI

• 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
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

2490Q–AVR–06/10
Figure 159. External Memory Timing (SRWn1 = 0, SRWn0 = 0
Figure 160. External Memory Timing (SRWn1 = 0, SRWn0 = 1)
System Clock (CLK
System Clock (CLK
DA7:0 (XMBK = 0)
DA7:0 (XMBK = 0)
DA7:0
A15:8
CPU
ALE
WR
RD
DA7:0
A15:8
)
CPU
ALE
WR
RD
Prev. addr.
Prev. data
)
Prev. addr.
Prev. data
T1
T1
1
Address
Address
4
2
5
T2
6
1
3a
3b
Address
Address
XX
7
4
2
8
13
5
T2
6
3a
3b
10
XX
Address
7
8
T3
13
10
Address
Data
15
Data
16
12
9
T3
15
12
Data
Data
16
9
T4
11
ATmega64(L)
11
T4
14
T5
14
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