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

• 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

Block Diagram
4
ATmega103(L)
Figure 1. The ATmega103(L) Block Diagram
AGND
AVCC
AREF
GND
VCC
DATA REGISTER
ANALOG MUX
PORTE
PORTE DRIVER/BUFFERS
PORTF BUFFERS
INSTRUCTION
INSTRUCTION
PROGRAM
COUNTER
PROGRAM
REGISTER
PF0 - PF7
CONTROL
DECODER
PE0 - PE7
FLASH
LINES
REG. PORTE
DATA DIR.
ADC
REGISTERS
REGISTER
PURPOSE
GENERAL
POINTER
STATUS
STACK
SRAM
DATA REGISTER
ALU
SPI
DATA REGISTER
X
Y
Z
PORTB
PORTA
PORTB DRIVER/BUFFERS
PORTA DRIVER/BUFFERS
PA0 - PA7
PB0 - PB7
REG. PORTA
DATA DIR.
REG. PORTB
DATA DIR.
PROGRAMMING
MCU CONTROL
OSCILLATOR
WATCHDOG
INTERRUPT
COUNTERS
INTERNAL
REGISTER
EEPROM
TIMER/
TIMER
LOGIC
UART
UNIT
8-BIT DATA BUS
DATA REGISTER
PORTD
PORTC DRIVERS
DATA REGISTER
PORTD DRIVER/BUFFERS
PC0 - PC7
OSCILLATOR
OSCILLATOR
TIMING AND
PORTC
CONTROL
PD0 - PD7
REG. PORTD
DATA DIR.
0945I–AVR–02/07
RESET
XTAL1
TOSC2
TOSC1
XTAL1
ALE
WR
RD
PEN
VCC
GND