MC68HC11F1_13 Datasheet, PDF (89/158 Pages) Freescale Semiconductor, Inc – Technical Data

Freescale Semiconductor, Inc.
RECEIVER
BAUD RATE
CLOCK
PD0/
RxD
DDD0
÷16
PIN BUFFER
AND CONTROL
DATA
RECOVERY
DISABLE
DRIVER
RE
M
WAKE-UP
LOGIC
10 (11) - BIT
Rx SHIFT REGISTER
(8) 7 6 5 4 3 2 1 0
MSB
ALL ONES
RWU
8
SCCR1 SCI CONTROL 1
SCSR1 SCI STATUS 1
RDRF
RIE
IDLE
ILIE
OR
RIE
SCDR Rx BUFFER
(READ-ONLY)
8
8
SCCR2 SCI CONTROL 2
SCI Tx
REQUESTS
SCI INTERRUPT
REQUEST
INTERNAL
DATA BUS
Figure 7-2 SCI Receiver Block Diagram
SERIAL COMMUNICATIONS INTERFACE
TECHNICAL DATA
For More Information On This Product,
7-3
Go to: www.freescale.com