MC908JB16DWE Datasheet, PDF (211/332 Pages) Freescale Semiconductor, Inc – Microcontrollers

Serial Communications Interface Module (SCI)
INTERNAL BUS
SCI DATA
REGISTER
SCI DATA
REGISTER
RxD
RECEIVE
SHIFT REGISTER
TRANSMIT
SHIFT REGISTER
TxD
SCTIE
TCIE
SCRIE
ILIE
TE
RE
RWU
SBK
OSCDCLK
TXINV
R8
T8
SCTE
TC
SCRF
IDLE
WAKEUP
CONTROL
ENSCI
÷3
PRE-
SCALER
DMARE
DMATE
OR
NF
FE
PE
RECEIVE
CONTROL
LOOPS
FLAG
CONTROL
LOOPS
ENSCI
ORIE
NEIE
FEIE
PEIE
TRANSMIT
CONTROL
BKF
RPF
BAUD
DIVIDER
M
WAKE
ILTY
PEN
PTY
÷ 16
DATA SELECTION
CONTROL
Figure 12-1. SCI Module Block Diagram
MC68HC908JB16 — Rev. 1.1
Freescale Semiconductor
Serial Communications Interface Module (SCI)
Technical Data
211