MC908AB32CFUE Datasheet, PDF (243/392 Pages) Freescale Semiconductor, Inc – Microcontrollers

Serial Communications Interface Module (SCI)
INTERNAL BUS
SCI DATA
REGISTER
SCI DATA
REGISTER
PTE1/RxD
RECEIVE
SHIFT REGISTER
TRANSMIT
SHIFT REGISTER
SCTIE
TCIE
SCRIE
ILIE
TE
RE
RWU
SBK
CGMXCLK
TXINV
R8
T8
SCTE
TC
SCRF
IDLE
WAKEUP
CONTROL
ENSCI
÷4
PRE-
SCALER
R
R
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
PTE0/TxD
Figure 15-1. SCI Module Block Diagram
MC68HC908AB32 — Rev. 1.1
Freescale Semiconductor
Serial Communications Interface Module (SCI)
Technical Data
243