LIN transceiver

AN4101

8/21

Doc ID 23127 Rev 1

3

LIN transceiver

A LIN transceiver is embedded in the L99PM62 power management integrated circuit, which

is present on both STM8AF and STM8AL boards. For more information, refer to the

UM1574 STM8A-DISCOVERY user manual, and to the L99PM62GXP datasheet.

Figure 4.

LIN transceiver embedded in the L99PM62GXP

MSv31516V1

Temp Prewarning

& Shutdown

Undervoltage –

Overvoltage -

Shutdown

VREG 1

5V / 250mA

VREG 2

5V / 100mA

4-channel

PWM Generator

Timer 1

Timer 2

Window

Watchdog

SPI

LIN 2.1

SAEJ 2602

(1)

HS CAN

ISO 11898-2/-5

Wake Up In

Wake Up In

Wake Up In

High Side

400mA

High Side

120mA

High Side

120mA

High Side

120mA

High Side

120mA

LOGIC

Low Side

100mA

Output Clamp

Low Side

100mA

Output Clamp

REL 1

REL 2

OP1+

OP1-

OP1_out

OP2+

OP2-

OP2_out

OUT_HS

OUT1

OUT2

OUT3 / FSO

OUT4

WU1

WU2

WU3

CAN Supply

CAN_H

SPLIT

CAN_L

TxD_C

RxD_C

PGND

AGND

TxD_L

RxD_L / NINT

LINPU

LIN

DO

DI

CLK

CSN

NReset

V2

V1

1) LIN 2.1 certified