MC68HC08AS32 Datasheet, PDF (158/280 Pages) Motorola, Inc – M68HC08 Family of 8-bit microcontroller units (MCUs)

INTERNAL BUS
PTE1/RxD
SCI DATA
REGISTER
RECEIVE
SHIFT REGISTER
SCI DATA
REGISTER
TRANSMIT
SHIFT REGISTER
SCTIE
TCIE
SCRIE
ILIE
TE
RE
RWU
SBK
CGMXCLK
TXINV
R8
T8
SCTE
TC
SCRF
IDLE
OR
NF
FE
PE
LOOPS
LOOPS
ENSCI
ORIE
NEIE
FEIE
PEIE
WAKEUP
CONTROL
RECEIVE
CONTROL
FLAG
CONTROL
TRANSMIT
CONTROL
BKF
ENSCI
RPF
÷4
PRE-
BAUD RATE
SCALER GENERATOR
M
WAKE
ILTY
PEN
PTY
÷ 16
DATA SELECTION
CONTROL
PTE0/TxD
Figure 12-3. SCI Module Block Diagram
Data Sheet
158
MC68HC08AS32 — Rev. 4.1
Freescale Semiconductor