mc68hc908kx8 Freescale Semiconductor, Inc, mc68hc908kx8 Datasheet - Page 114

• Manufacturer Part Number: mc68hc908kx8
• Description: M68hc08 Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

Serial Communications Interface Module (SCI)
114
RxD
CGMXCLK
BUSCLK
BAUDCLK
SCIBDSRC
SCTIE
SCRIE
RWU
TCIE
SBK
ILIE
RE
TE
SHIFT REGISTER
REGISTER
SCI DATA
MC68HC908KX8 • MC68HC908KX2 • MC68HC08KX8 Data Sheet, Rev. 2.1
RECEIVE
A
B
÷ 4
S
CONTROL
WAKEUP
SCTE
SCRF
IDLE
SCALER
Figure 12-3. SCI Module Block Diagram
TC
ENSCI
PRE-
GENERATOR
BAUD RATE
÷ 16
CONTROL
RECEIVE
INTERNAL BUS
LOOPS
BKF
RPF
DATA SELECTION
CONTROL
OR
NF
FE
PE
FLAG
CONTROL
WAKE
LOOPS
ILTY
PEN
PTY
ENSCI
M
TRANSMIT
CONTROL
SHIFT REGISTER
TXINV
ORIE
NEIE
PEIE
FEIE
R8
REGISTER
TRANSMIT
T8
SCI DATA
Freescale Semiconductor
TxD