Motorola MC68HC908AB32 User Manual

Serial Communications Interface Module (SCI)
Functional Description
MC68HC908AB32 — Rev. 1.0 Technical Data
MOTOROLA Serial Communications Interface Module (SCI) 251
Figure 15-5. SCI Receiver Block Diagram
ALL 1s
ALL 0s
M
WAKE
ILTY
PEN
PTY
BKF
RPF
H876543210L
11-BIT
RECEIVE SHIFT REGISTER
STOP START
DATA
RECOVERY
R
SCRF
OR
ORIE
NF
NEIE
FE
FEIE
PE
PEIE
R
SCRIE
SCRF
ILIE
IDLE
WAKEUP
LOGIC
PARITY
CHECKING
MSB
ERROR CPU INTERRUPT REQUEST DMA SERVICE REQUEST
CPU INTERRUPT REQUEST
SCI DATA REGISTER
R8
R
ORIE
NEIE
FEIE
PEIE
SCRIE
ILIE
RWU
SCRF
IDLE
OR
NF
FE
PE
PTE1/RxD
INTERNAL BUS
PRE-
SCALER
BAUD
DIVIDER
÷ 4 ÷ 16
SCP1
SCP0
SCR2
SCR1
SCR0
SCRIE
R
CGMXCLK

Motorola MC68HC908AB32 Specifications

General

Brand	Motorola
Model	MC68HC908AB32
Category	Controller
Language	English