mc68hc11d0cfn2 Freescale Semiconductor, Inc, mc68hc11d0cfn2 Datasheet - Page 74

• Manufacturer Part Number: mc68hc11d0cfn2
• Description: M68hc11 Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

Serial Communications Interface (SCI)
Data Sheet
74
TRANSMITTER
REQUESTS
BAUD RATE
SCI Rx
CLOCK
SCCR1 SCI CONTROL 1
SCI INTERRUPT
REQUEST
H (8) 7 6 5 4 3 2 1 0 L
10 (11) - BIT Tx SHIFT REGISTER
Freescale Semiconductor, Inc.
Figure 6-1. SCI Transmitter Block Diagram
SCDR Tx BUFFER
For More Information On This Product,
Serial Communications Interface (SCI)
TDRE
TIE
TC
TCIE
CONTROL LOGIC
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TRANSMITTER
SCSR INTERRUPT STATUS
(WRITE ONLY)
SCCR2 SCI CONTROL 2
DIRECTION (OUT)
FORCE PIN
AND CONTROL
PIN BUFFER
DDD1
INTERNAL
DATA BUS
MC68HC711D3 — Rev. 2
PD1
TxD
MOTOROLA