M68HC08 datasheet(212/332 Pages) FREESCALE

212 / 332 page

Serial Communications Interface

Technical Data

MC68HC908JB16 — Rev. 1.1

212

Serial Communications Interface Module (SCI)

Freescale Semiconductor

Addr.

Bit 7

654321

Bit 0

$005A

SCI Control Register 1

(SCC1)

Read:

LOOPS

ENSCI

TXINV

WAKE

ILTY

PEN

PTY

Write:

Reset:

00000000

$005B

SCI Control Register 2

(SCC2)

Read:

SCTIE

TCIE

SCRIE

ILIE

RWU

SBK

Write:

Reset:

00000000

$005C

SCI Control Register 3

(SCC3)

Read:

DMARE

DMATE

ORIE

NEIE

FEIE

PEIE

Write:

Reset:

000000

$005D

SCI Status Register 1

(SCS1)

Read:

SCTE

SCRF

IDLE

Write:

Reset:

11000000

$005E

SCI Status Register 2

(SCS2)

Read:

BKF

RPF

Write:

Reset:

00000000

$005F

SCI Data Register

(SCDR)

Read:

Write:

Reset:

Unaffected by reset

$0060

SCI Baud Rate Register

(SCBR)

Read:

SCP1

SCP0

SCR2

SCR1

SCR0

Write:

Reset:

0000

000

= Unimplemented

R = Reserved

U = Unaffected

Figure 12-2. SCI I/O Register Summary

M68HC08 Datasheet(PDF) 212 Page - Freescale Semiconductor, Inc

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