PIC18F14K22LIN datasheet(9/62 Pages) MICROCHIP

Part #	PIC18F14K22LIN

Description	20-Pin Flash Microcontrollers 20-Pin Flash Microcontrollers

PDF	62 Pages

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Manufacturer	MICROCHIP [Microchip Technology]

Direct Link	http://www.microchip.com

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 2011 Microchip Technology Inc.

Preliminary

DS41580A-page 9

PIC18F14K22LIN

1.0

USING THE MCP200X IN LIN

BUS APPLICATIONS

1.1

Hardware

The MCP200X internal connections are optimized to

reduce the number of components in a typical LIN/

J2602 node in a LIN bus system. Some features and

modules of the stand-alone PIC18F14K22 are no

longer available or their functionality has changed.

FIGURE 1-1:

TYPICAL LIN NETWORK CONFIGURATION

For this reason, the following (Example 1-1) is a

recommended block diagram. Note the microcontroller

is powered by the internal voltage regulator and an

external connection must be made between VREG and

VBB along with a load capacitor. FAULT/TXE can be

monitored or controlled by any I/O pin.

Note:

Failure to follow the recommended setup

and initialization may result in improper or

unknown LIN operation.

LIN bus

MCP202X

Master

µC



VBB

Slave 1

µC

Slave 2

µC

Slave n <16

µC

40m

+ Return

LIN bus

MCP202X

LIN bus

PIC18F1XK22LIN

LIN bus

MCP202X

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