Table of Contents
Advertisement
RECEIVER
BAUD RATE
CLOCK
DDD0
PD0
PIN BUFFER
RxD
AND CONTROL
SCCR1
SCI CONTROL 1
SCI Tx
SCI INTERRUPT
REQUESTS
REQUEST
MC68HC11F1/FC0
MC68HC11FTS/D
÷16
DATA
RECOVERY
DISABLE
DRIVER
RE
WAKEUP
LOGIC
SCSR1
RDRF
RIE
IDLE
ILIE
OR
RIE
Figure 10 SCI Receiver Block Diagram
10 (11) - BIT
Rx SHIFT REGISTER
H
8
7
6
5
MSB
SCI STATUS 1
SCCR2
SCI CONTROL 2
4
3
2
1
0
L
ALL
ONES
SCDR
Rx BUFFER
(READ ONLY)
INTERNAL
DATA BUS
MOTOROLA
43
Advertisement
Table of Contents
