ATA6620 데이터 시트보기 (PDF) - Atmel Corporation

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ATA6620

LIN Bus Transceiver with Integrated Voltage Regulator

Atmel Corporation 

Figure 1-1. Block Diagram

VCC

ATA6620

RXD 5

Receiver

VCC

TXD

6

TXD

Time-out

Timer

EN 2

GND

3

2. Pin Configuration

Figure 2-1. Pinning SO8

Normal and

Pre-normal

Mode

Filter

1 VS

4 LIN

Wake-up Bus Timer

Slew Rate Control

Short Circuit and

Overtemperature

Protection

Control

Unit

Normal Mode

Sleep

Mode

Voltage Regulator

5V/50 mA/2%

VCC Undervoltage Reset

Switched Silent Mode

Off Voltage Regulator

5V/50 mA/7%

8 VCC

7 NRES

VS 1

EN 2

GND 3

LIN 4

8 VCC

7 NRES

6 TXD

5 RXD

Table 2-1.

Pin

1

2

3

4

5

6

7

8

Pin Description

Symbol Function

VS

Battery supply

EN

Enables Normal mode if the input is high

GND

Ground

LIN

LIN bus line input/output

RXD

Receive data output

TXD

Transmit data input

NRES Output undervoltage reset, low at reset

VCC

Output voltage regulator 5V/50 mA

2 ATA6620

4850D–AUTO–02/06

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