Datasheet

3
ATtiny2313/V
2543H–AVR–02/05
Block Diagram
Figure 2. Block Diagram
PROGRAM
COUNTER
PROGRAM
FLASH
INSTRUCTION
REGISTER
GND
VCC
INSTRUCTION
DECODER
CONTROL
LINES
STACK
POINTER
SRAM
GENERAL
PURPOSE
REGISTER
ALU
STATUS
REGISTER
PROGRAMMING
LOGIC
SPI
8-BIT DATA BUS
XTAL1
XTAL2
RESET
INTERNAL
OSCILLATOR
OSCILLATOR
WATCHDOG
TIMER
TIMING AND
CONTROL
MCU CONTROL
REGISTER
MCU STATUS
REGISTER
TIMER/
COUNTERS
INTERRUPT
UNIT
EEPROM
USI
USART
ANALOG
COMPARATOR
DATA REGISTER
PORTB
DATA DIR.
REG. PORTB
DATA REGISTER
PORTA
DATA DIR.
REG. PORTA
PORTB DRIVERS
PB0 - PB7
PORTA DRIVERS
PA0 - PA2
DATA REGISTER
PORTD
DATA DIR.
REG. PORTD
PORTD DRIVERS
PD0 - PD6
ON-CHIP
DEBUGGER
INTERNAL
CALIBRATED
OSCILLATOR