mc68hc711d3 Freescale Semiconductor, Inc, mc68hc711d3 Datasheet - Page 66

• Manufacturer Part Number: mc68hc711d3
• Description: M Hc11 Microcontrollers Microcontroller
• Manufacturer: Freescale Semiconductor, Inc

66
Serial Communications Interface (SCI)
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
Figure 6-1. SCI Transmitter Block Diagram
SCDR Tx BUFFER
MC68HC711D3 Data Sheet, Rev. 2.1
TDRE
TIE
TC
TCIE
CONTROL LOGIC
TRANSMITTER
SCSR INTERRUPT STATUS
(WRITE ONLY)
SCCR2 SCI CONTROL 2
DIRECTION (OUT)
FORCE PIN
AND CONTROL
PIN BUFFER
DDD1
INTERNAL
DATA BUS
Freescale Semiconductor
PD1
TxD