XC908AS60ACFU Motorola Semiconductor Products, XC908AS60ACFU Datasheet - Page 254

• Manufacturer Part Number: XC908AS60ACFU
• Description: MC68HC908AZ60A, MC68HC908AS60A Hcmos Microcontroller Unit Technical Data
• Manufacturer: Motorola Semiconductor Products

Serial Communications Interface (SCI)
18.5.3 Receiver
Technical Data
254
CGMXCLK
SCP1
SCP0
÷
4
WAKE
SCALER
RPF
ILTY
PEN
BKF
PTY
PRE-
M
Figure 18-6
Figure 18-6. SCI Receiver Block Diagram
RxD
DIVIDER
BAUD
ALL ZEROS
Serial Communications Interface (SCI)
CHECKING
WAKEUP
IDLE
ILIE
SCRF
SCRIE
OR
ORIE
NF
NEIE
FE
FEIE
PE
PEIE
PARITY
LOGIC
RECOVERY
shows the structure of the SCI receiver.
SCR1
SCR2
SCR0
DATA
÷
16
INTERNAL BUS
H
8
7
RECEIVE SHIFT REGISTER
SCI DATA REGISTER
6
5
11-BIT
SCRIE
SCRF
ORIE
IDLE
NEIE
FEIE
PEIE
4
ILIE
OR
R8
NF
FE
PE
MC68HC908AZ60A — Rev 2.0
3
2
1
0
L
RWU
MOTOROLA