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ATA6602

Microcontroller with LIN Transceiver, 5V Regulator and Watchdog

Atmel Corporation 

4.2 Overview

The ATA6602/ATA6603 uses a low-power CMOS 8-bit microcontroller based on the AVR

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

ATA6602/ATA6603 achieves throughputs approaching 1 MIPS per MHz allowing the system

designer to optimize power consumption versus processing speed.

4.2.1 Block Diagram

Figure 4-1. Block Diagram

GND

VCC

Watchdog

Timer

Watchdog

Oscillator

Oscillator Circuits /

Clock Generation

EEPROM

8 bit T/C 0

8 bit T/C 2

Power Supervision

POR / BOD and

Reset

Flash

debugWIRE

Program

Logic

SRAM

AVR CPU

16 bit T/C 1

2

A/D Converter

AVCC

AREF

GND

Analog

Compensation

Internal

6

Bandgap

USART 0

SPI

TWI

Port D (8)

PD[0..7]

Port B (8)

PB[0..7]

Port C (7)

PC[0..6]

RESET

ADC[6..7]

XTAL[1..2]

26 ATA6602/ATA6603

4921C–AUTO–01/07

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