ATA6664 データシートの表示（PDF） - Atmel Corporation

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ATA6664

LIN Transceiver

Atmel Corporation 

Figure 1-1. Block Diagram

RXD 1

Receiver

TXD 4

VS

WAKE 3

TXD

time-out

timer

(only ATA6663)

Wake-up

timer

Wake-up bus timer

Slew rate control

Control unit

Sleep mode

2

EN

7 VS

Filter

6 LIN

Short-circuit and over-

temperature protection

VS

8

INH

5 GND

2. Pin Configuration

Figure 2-1. Pinning SO8

RXD 1

EN 2

WAKE 3

TXD 4

8 INH

7 VS

6 LIN

5 GND

Table 2-1.

Pin

1

2

3

4

5

6

7

8

Pin Description

Symbol Function

RXD

Receive data output (open drain)

EN

Enables normal mode; when the input is open or low, the device is in sleep mode

WAKE High voltage input for local wake-up request. If not needed, connect directly to VS

TXD

Transmit data input; active low output (strong pull-down) after a local wake-up request

GND

Ground, heat sink

LIN

LIN bus line input/output

VS

Battery supply

INH

Battery-related inhibit output for controlling an external voltage regulator or to switch-off the LIN master

pull-up resistor; active high after a wake-up request

2 Atmel ATA6663/ATA6664

9146D–AUTO–09/10

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