TJA1041 데이터 시트보기 (PDF) - Philips Electronics

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TJA1041

High speed CAN transceiver

Philips Electronics 

Philips Semiconductors

High speed CAN transceiver

Product specification

TJA1041

PINNING

SYMBOL PIN

DESCRIPTION

TXD

1 transmit data input

GND

2 ground

VCC

RXD

3 transceiver supply voltage input

4 receive data output; reads out data

from the bus lines

VI/O

5 I/O-level adapter voltage input

EN

6 enable control input

INH

7 inhibit output for switching external

voltage regulators

ERR

8 error and power-on indication output

(active LOW)

WAKE

9 local wake-up input

VBAT

SPLIT

10 battery voltage input

11 common-mode stabilization output

CANL

12 LOW-level CAN bus line

CANH

13 HIGH-level CAN bus line

STB

14 standby control input (active LOW)

handbook, halfpage

TXD 1

GND 2

VCC 3

RXD 4

VI/O 5

EN 6

INH 7

14 STB

13 CANH

12 CANL

TJA1041T 11 SPLIT

10 VBAT

9 WAKE

8 ERR

MGU165

Fig.2 Pinning configuration.

FUNCTIONAL DESCRIPTION

The primary function of a CAN transceiver is to provide the

CAN physical layer as described in the ISO 11898

standard. In the TJA1041 this primary function is

complemented with a number of operating modes,

fail-safe features and diagnosis features, which offer

enhanced system reliability and advanced power

management functionality.

Operating modes

The TJA1041 can be operated in five modes, each with

specific features. Control pins STB and EN select the

operating mode. Changing between modes also gives

access to a number of diagnostics flags, available via

pin ERR. The following sections describe the five

operating modes. Table 1 shows the conditions for

selecting these modes. Figure 3 illustrates the mode

transitions when VCC, VI/O and VBAT are present.

2003 Feb 13

5

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