TLE8262E datasheet(29/93 Pages) INFINEON

29 / 93 page

Data Sheet

Rev. 1.0, 2009-03-31

TLE8262E

High Speed CAN Transceiver

8.1

Block Description

Figure 10

Functional Block Diagram

8.2

High-speed CAN Description

The Controller Area Network (CAN) transceiver part of the SBC provides high-speed (HS) differential mode data

transmission (up to 1 Mbaud) and reception in automotive and industrial applications. It works as an interface

between the CAN protocol controller and the physical bus lines compatible to ISO/DIS 11898-2 and 11898-5 as

well as SAE J2284.

The CAN transceiver offers low power modes to reduce current consumption. This supports networks with partially

powered down nodes. To support software diagnostic functions, a CAN Receive-only Mode is implemented.

It is designed to provide excellent passive behavior when the transceiver is switched off (mixed networks,

clamp15/30 applications).

A wake-up from the CAN Wake capable Mode is possible via a message on the bus. Thus, the microcontroller can

be powered down or idled and will be woken up by the CAN bus activities.

Refer to Figure 11 for a description of the matching of the transceiver modes with the SBC mode.

The CAN transceiver is designed to withstand the severe conditions of automotive applications and to support

12 V applications.

TxDCAN

Output

Stage

Driver

Temp.-

Protection

CANH

CANL

timeout

RxDCAN

Receiver

MUX

VCC1µC

SPI Mode

Control

To SPI diagnostic

GND

RxD Diag

SPLIT

R SPLIT

V SPLIT

ccHS CAN

can block .vsd

VccHSCAN

VCC1µC

RTD

Wake

Receiver

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