mc68hc908kx8 Freescale Semiconductor, Inc, mc68hc908kx8 Datasheet - Page 118

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

Serial Communications Interface Module (SCI)
12.4.3 Receiver
Figure 12-6
118
BAUDCLK
shows the structure of the SCI receiver.
SCP1
SCP0
÷
4
MC68HC908KX8 • MC68HC908KX2 • MC68HC08KX8 Data Sheet, Rev. 2.1
SCALER
WAKE
ILTY
BKF
RPF
PEN
PTY
PRE-
M
RxD
Figure 12-6. SCI Receiver Block Diagram
DIVIDER
BAUD
ALL 0s
CHECKING
WAKEUP
IDLE
ILIE
SCRF
SCRIE
OR
ORIE
NF
NEIE
FE
FEIE
PE
PEIE
PARITY
LOGIC
RECOVERY
SCR1
SCR2
SCR0
DATA
÷
16
INTERNAL BUS
H
8
7
RECEIVE SHIFT REGISTER
SCI DATA REGISTER
6
5
11-BIT
SCRIE
SCRF
ORIE
NEIE
PEIE
IDLE
FEIE
ILIE
4
OR
R8
NF
FE
PE
3
2
Freescale Semiconductor
1
0
L
RWU