MC9S08AW60 Datasheet, PDF (183/320 Pages) Freescale Semiconductor, Inc – Microcontrollers

Figure 11-3 shows the receiver portion of the SCI.
Serial Communications Interface (S08SCIV3)
INTERNAL BUS
16 × BAUD
RATE CLOCK
DIVIDE
BY 16
FROM RxD PIN
M
DATA RECOVERY
LOOPS
RSRC
SINGLE-WIRE
LOOP CONTROL
FROM
TRANSMITTER
WAKE
ILT
(READ-ONLY)
SCID – Rx BUFFER
11-BIT RECEIVE SHIFT REGISTER
H876543210L
SHIFT DIRECTION
WAKEUP
LOGIC
RWU
RDRF
RIE
IDLE
ILIE
Rx INTERRUPT
REQUEST
OR
ORIE
FE
FEIE
ERROR INTERRUPT
REQUEST
NF
NEIE
PE
PARITY
PT
CHECKING
PF
PEIE
Figure 11-3. SCI Receiver Block Diagram
MC9S08AW60 Data Sheet, Rev.1.0
Freescale Semiconductor
183