L4969UR-E datasheet(6/46 Pages) STMICROELECTRONICS

No. de pieza	L4969UR-E

Descripción Electrónicos	System voltage regulator with fault tolerant low speed CAN transceiver

PDF	46 Pages

Scroll/Zoom	100%

Fabricante Electrónico	STMICROELECTRONICS [STMicroelectronics]

Página de inicio	http://www.st.com

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6 / 46 page

Block diagram and pins description

L4969UR-E, L4969URD-E

6/46

Doc ID 022587 Rev 2

Block diagram and pins description

Figure 1.

Block diagram

Table 2.

Pins description

Pin Number

Pin name

Function

PowerSO-20

SO-20

1, 10, 11, 20

5, 6, 15, 16

GND

Power ground

Microcontroller supply voltage

Peripheral supply voltage

Internal CAN supply

Power supply

CANH

CANH line driver output

RTL

CANL termination source

CANL

CANL line driver output

RTH

CANH termination source

RXD

Act. Low CAN receive dominant data output

TXD

Act. Low CAN transmit dominant data input

SOUT

Serial data output

VREG 1

VREG 2

VREG 3

Fault tolerant

low speed

CAN-transceiver

24 Bit SPI

Control and Status Memory

Identifier Filter

Watchdog and

adjustable RC-Oscillator

CANH

CANL

RTH

RTL

SCLK

SIN

SOUT

WAKE

NINT

NRESET

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