mc68hc11k4 Freescale Semiconductor, Inc, mc68hc11k4 Datasheet - Page 152

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

Serial Communications Interface (SCI)
Technical Data
152
TRANSMITTER
BAUD RATE
CLOCK
Note 1. Data direction register for port D
SCCR1
REQUESTS
SCI Rx
SCI CONTROL 1
H
SCI INTERRUPT
GENERATOR
8
REQUEST
10 (11) — BIT Tx SHIFT REGISTER
PARITY
7
Figure 7-2
6
Figure 7-2. SCI Transmitter Block Diagram
SCDR Tx BUFFER
Freescale Semiconductor, Inc.
5
For More Information On This Product,
4
Serial Communications Interface (SCI)
3
CONTROL LOGIC
2
TDRE
TIE
TC
TCIE
is a block diagram of the SCI transmitter.
TRANSMITTER
Go to: www.freescale.com
1
SCSR1
0
L
WRITE ONLY
SCI STATUS 1
SCCR2
DIRECTION (OUT)
TE
FORCE PIN
SCI CONTROL 2
AND CONTROL
PIN BUFFER
DDD1
INTERNAL
DATA BUS
(1)
M68HC11K Family
MOTOROLA
PD1
TxD