ATMEGA103L-4AC Atmel, ATMEGA103L-4AC Datasheet - Page 85

• Manufacturer Part Number: ATMEGA103L-4AC
• Description: IC MCU 128K 4MHZ A/D LV 64TQFP
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA103L-4AC

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 4MHz
• Connectivity: SPI, UART/USART
• Peripherals: POR, PWM, WDT
• Number Of I /o: 32
• Program Memory Size: 128KB (64K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 4K x 8
• Ram Size: 4K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 3.6 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 64-TQFP, 64-VQFP
• For Use With: ATSTK501 - ADAPTER KIT FOR 64PIN AVR MCU
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

0945I–AVR–02/07
Figure 51. External SRAM Access Cycle without Wait States
Figure 52. External SRAM Access Cycle with Wait State
Data / Address [7..0]
Data / Address [7..0]
Data / Address [7..0]
Data / Address [7..0]
System Clock Ø
System Clock Ø
Address [15..8]
Address [15..8]
ALE
ALE
WR
WR
RD
RD
Prev. Address
Prev. Address
Prev. Address
Prev. Address
Prev. Address
Prev. Address
T1
T1
Address
Address
Address
Address
T2
T2
Data
Address
Address
Data
ATmega103(L)
Data
T3
T3
Data
Address
Address
T4
Addr .
Addr .
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