TJA1083 datasheet(4/41 Pages) NXP

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TJA1083

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Product data sheet

Rev. 1 — 10 October 2012

4 of 41

NXP Semiconductors

TJA1083

FlexRay node transceiver

Pinning information

5.1 Pinning

5.2 Pin description

Functional description

6.1 Power modes

The TJA1083 features three power modes: Normal, Standby and Power-off. Normal and

Standby modes can be selected via the STBN input (HIGH for Normal mode) once the

transceiver has been powered up. See Table 3 for a detailed description of pin signaling in

the three power modes.

Fig 2.

Pin configuration

TJA1083TT

VIO

VCC

TXD

TXEN

RXD

GND

BGE

ERRN

STBN

SCSN

SCLK

SDO

015aaa134

Table 2.

Pin description

Symbol Pin

Type

Description

VIO

supply voltage for VIO voltage level adaptation

TXD

transmit data input; internal pull-down

TXEN

transmitter enable input; when HIGH transmitter disabled; internal

pull-up

RXD

receive data output

BGE

bus guardian enable input; when LOW transmitter disabled; internal

pull-down

STBN

mode control input; transceiver in Normal mode when HIGH;

internal pull-down

SCLK

SPI clock signal; internal pull-up

SDO

SPI data output

SCSN

SPI chip select input; internal pull-up/pull-down

ERRN

error diagnosis output and wake-up indication

GND

ground

I/O

bus line minus

I/O

bus line plus

VCC

supply voltage (+5 V)

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