mc68hc11k4 Freescale Semiconductor, Inc, mc68hc11k4 Datasheet - Page 155

• Manufacturer Part Number: mc68hc11k4
• Description: Mc68hc11k1 Microcontroller
• Manufacturer: Freescale Semiconductor, Inc

M68HC11K Family
MOTOROLA
Note 1. Data direction register for port D
BAUD RATE
RECEIVER
CLOCK
PD0
RxD
REQUESTS
SCI Rx
SCCR1
SCSR2
SCI INTERRUPT
AND CONTROL
PIN BUFFER
SCI CONTROL 1
REQUEST
SCI STATUS 2
DDD0
(1)
DISABLE
DRIVER
Figure 7-3. SCI Receiver Block Diagram
Freescale Semiconductor, Inc.
For More Information On This Product,
WAKEUP
LOGIC
Serial Communications Interface (SCI)
RECOVERY
Go to: www.freescale.com
RDRF
RIE
IDLE
ILIE
OR
RIE
DATA
DETECT
PARITY
SCSR1
16
SCI STATUS 1
SCCR2
H
SCI CONTROL 2
8
7
Serial Communications Interface (SCI)
Tx SHIFT REGISTER
6
10 (11) - BIT
5
MSB
4
SCDR
3
2
INTERNAL
DATA BUS
1
Rx BUFFER
Receive Operation
ONES
ALL
(READ ONLY)
0
Technical Data
L
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