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Block diagram of lin-uart, Figure 20.2-1 block diagram of lin-uart, N = 0, 1 – FUJITSU F2MCTM-16LX User Manual

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CHAPTER 20 LIN-UART

Block Diagram of LIN-UART

Figure 20.2-1 Block Diagram of LIN-UART

RDRn

TDRn

PEN

P

SBL

CL

A/D

CRE
RXE

TXE

MD1
MD0

OTO

EXT

REST

USCKE

USOE

PE

ORE

FRE

RDRF

TDRE

BDS

RIE

TIE

LBIE

LBD

SOPE

SIOP

CCO

SCES

LBIE

LBD

RBI

RIE

TIE

IRQ

IRQ

LBD

SINn

PE

ORE FRE

CLK

SINn

SOTn

MS

SSM

SCDE

TDRE

RDRF

RBI

TBI

UPCL

OTO,
EXT,
REST

PE

ORE

FRE

TBI

RBI

TBI

SINn

SCKn

SOTn

SSRn
register

SMRn
register

SCRn
register

ESCRn
register

ECCRn

LBR

LBR
LBL1
LBL0

LBL1

LBL0

Internal data bus

Reload

counter

Restart reception

reload counter

Over-

sampling

unit

Pin

Pin

Transmission clock

Reception clock

Reception

control circuit

Start bit

detection

circuit

Received bit

counter

Received

parity counter

Transmission

start circuit

Transmission

bit counter

Transmission

parity counter

Transmission

control circuit

Interrupt

generation

circuit

Reception

Transmission

Pin

Internal signal
to capture

LIN break/

SynchField

detection

circuit

To EI

2

OS

Error

detection

Reception

shift register

Transmission

shift register

Transmission
start

LIN break

generation

circuit

Bus idle

detection

circuit

n = 0, 1