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Serial Communications Interface
÷ 4
CGMXCLK
SCP1
SCP0
SCR1
SCR2
SCR0
Technical Data
246
PRE-
BAUD
÷ 16
SCALER
DIVIDER
TXINV
M
PEN
PARITY
GENERATION
PTY
T8
R
R
SCTIE
SCTE
R
SCTE
SCTIE
TC
TCIE
Figure 15-4. SCI Transmitter
Serial Communications Interface Module (SCI)
INTERNAL BUS
SCI DATA REGISTER
11-BIT
TRANSMIT
SHIFT REGISTER
H
8
7
6
5
4
3
2
1
TRANSMITTER
CONTROL LOGIC
SCTE
LOOPS
SCTIE
ENSCI
TC
TCIE
0
L
PTE0/TxD
SBK
TE
MC68HC908AB32
Rev. 1.0
—
MOTOROLA
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