ATTINY4313-MUR View Datasheet(PDF) - Atmel Corporation

Part Name

Description

Manufacturer

ATTINY4313-MUR

8-bit Microcontroller with 2/4K Bytes In-System Programmable Flash

Atmel Corporation 

ATtiny2313A/4313

2. Overview

The ATtiny2313A/4313 is a low-power CMOS 8-bit microcontroller based on the AVR enhanced

RISC architecture. By executing powerful instructions in a single clock cycle, the

ATtiny2313A/4313 achieves throughputs approaching 1 MIPS per MHz allowing the system

designer to optimize power consumption versus processing speed.

2.1 Block Diagram

Figure 2-1. Block Diagram

PA0 - PA2

PORTA DRIVERS

VCC

GND

DATA REGISTER

PORTA

DATA DIR.

REG. PORTA

8-BIT DATA BUS

PROGRAM

COUNTER

PROGRAM

FLASH

INSTRUCTION

REGISTER

INSTRUCTION

DECODER

CONTROL

LINES

PROGRAMMING

LOGIC

STACK

POINTER

SRAM

GENERAL

PURPOSE

REGISTER

ALU

STATUS

REGISTER

SPI

XTAL1

XTAL2

INTERNAL

CALIBRATED

OSCILLATOR

INTERNAL

OSCILLATOR

WATCHDOG

TIMER

MCU CONTROL

REGISTER

MCU STATUS

REGISTER

TIMER/

COUNTERS

INTERRUPT

UNIT

EEPROM

USI

OSCILLATOR

TIMING AND

CONTROL

RESET

ON-CHIP

DEBUGGER

USART

8246BS–AVR–09/11

DATA REGISTER

PORTB

DATA DIR.

REG. PORTB

PORTB DRIVERS

DATA REGISTER

PORTD

DATA DIR.

REG. PORTD

PORTD DRIVERS

PB0 - PB7

PD0 - PD6

5

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