mc68hc908sr12 Freescale Semiconductor, Inc, mc68hc908sr12 Datasheet - Page 263

• Manufacturer Part Number: mc68hc908sr12
• Description: M68hc08 Microcontrollers Microcontroller
• Manufacturer: Freescale Semiconductor, Inc

MC68HC908SR12•MC68HC08SR12 — Rev. 5.0
Freescale Semiconductor
CGMXCLK
IT12
SL = 0 => X = A
SL = 1 => X = B
SCIBDSRC
CONFIG2
FROM
A
B
SL
X
SCP1
SCP0
÷ 4
WAKE
SCALER
ILTY
BKF
RPF
PEN
PTY
Figure 16-5. SCI Receiver Block Diagram
PRE-
M
RxD
Serial Communications Interface (SCI)
DIVIDER
BAUD
ALL 0s
CHECKING
WAKEUP
IDLE
ILIE
DMARE
SCRF
SCRIE
DMARE
SCRF
SCRIE
DMARE
OR
ORIE
NF
NEIE
FE
FEIE
PE
PEIE
PARITY
LOGIC
RECOVERY
SCR1
SCR2
SCR0
DATA
÷ 16
INTERNAL BUS
H
8
Serial Communications Interface (SCI)
7
RECEIVE SHIFT REGISTER
SCI DATA REGISTER
6
5
11-BIT
DMARE
SCRIE
SCRF
ORIE
NEIE
PEIE
IDLE
FEIE
ILIE
4
OR
R8
NF
FE
PE
3
Functional Description
2
1
0
L
Data Sheet
RWU
263