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| MC68HC908MR8 Datasheet, PDF (250/372 Pages) Motorola, Inc – Microcontrollers | |||
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Serial Communications Interface (SCI)
INTERNAL BUS
SCI DATA
REGISTER
SCI DATA
REGISTER
PTB0/RxD
RECEIVE
SHIFT REGISTER
TRANSMIT
SHIFT REGISTER
SCTIE
TCIE
SCRIE
ILIE
TE
RE
RWU
SBK
SCTE
TC
SCRF
IDLE
WAKEUP
CONTROL
TXINV
R8
T8
OR
NF
FE
PE
LOOPS
RECEIVE
CONTROL
FLAG
CONTROL
LOOPS
ENSCI
ORIE
NEIE
FEIE
PEIE
TRANSMIT
CONTROL
ENSCI
fOP
÷4
fOP = F bus frequency
PRE- BAUD RATE
SCALER GENERATOR
÷ 16
BKF
M
RPF
WAKE
ILTY
PEN
PTY
DATA SELECTION
CONTROL
PTB1/TxD
Figure 13-1. SCI Module Block Diagram
Technical Data
250
Serial Communications Interface (SCI)
MC68HC908MR8 â Rev 4.1
Freescale Semiconductor
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