MC9S08SH8CSC View Datasheet(PDF) - Freescale Semiconductor

Part Name

Description

Manufacturer

MC9S08SH8CSC

HCS08 Microcontrollers

Freescale Semiconductor 

Figure 14-3 shows the receiver portion of the SCI.

INTERNAL BUS

Chapter 14 Serial Communications Interface (S08SCIV4)

16 × BAUD

RATE CLOCK

FROM

TRANSMITTER

DIVIDE

BY 16

LOOPS

RSRC

FROM RxD PIN

RXINV

SINGLE-WIRE

LOOP CONTROL

M

LBKDE

DATA RECOVERY

(READ-ONLY)

SCID – Rx BUFFER

11-BIT RECEIVE SHIFT REGISTER

H876543210L

SHIFT DIRECTION

ACTIVE EDGE

DETECT

WAKE

ILT

WAKEUP

LOGIC

RWU

RWUID

PE

PT

Freescale Semiconductor

RDRF

RIE

IDLE

ILIE

LBKDIF

LBKDIE

RXEDGIF

RXEDGIE

OR

ORIE

FE

FEIE

NF

NEIE

PARITY

CHECKING

PF

PEIE

Figure 14-3. SCI Receiver Block Diagram

MC9S08SH8 MCU Series Data Sheet, Rev. 3

Rx INTERRUPT

REQUEST

ERROR INTERRUPT

REQUEST

207

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