MC68HC08AS32A Datasheet, PDF (179/296 Pages) Motorola, Inc – Microcontrollers

Freescale Semiconductor, Inc.
Serial Communications Interface (SCI)
Functional Description
CGMXCLK
INTERNAL BUS
SCP1
SCP0
÷4
PRE-
BAUD
SCALER DIVIDER
SCR2
SCR1
SCR0
÷ 16
PTE1/RxD
DATA
RECOVERY
ALL 0s
BKF
RPF
SCI DATA REGISTER
11-BIT
RECEIVE SHIFT REGISTER
H876543210L
M
WAKE
ILTY
PEN
PTY
WAKEUP
LOGIC
PARITY
CHECKING
SCRF
RWU
IDLE
R8
CPU INTERRUPT
REQUEST
ERROR CPU
INTERRUPT REQUEST
IDLE
ILIE
SCRF
SCRIE
ILIE
SCRIE
OR
ORIE
NF
NEIE
FE
FEIE
PE
PEIE
OR
ORIE
NF
NEIE
FE
FEIE
PE
PEIE
Figure 13-6. SCI Receiver Block Diagram
MC68HC08AS32A — Rev. 1
MOTOROLA
Serial Communications Interface (SCI)
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Data Sheet
179