mc68331cpv20b1 Freescale Semiconductor, Inc, mc68331cpv20b1 Datasheet - Page 149

• Manufacturer Part Number: mc68331cpv20b1
• Description: Mc68331 32 Bit Microcontroller
• Manufacturer: Freescale Semiconductor, Inc

MC68331
USER’S MANUAL
15
REQUESTS
SCI Rx
SCCR1 (CONTROL REGISTER 1)
TRANSMITTER
BAUD RATE
CLOCK
SCI INTERRUPT
REQUEST
Figure 6-7 SCI Transmitter Block Diagram
Freescale Semiconductor, Inc.
For More Information On This Product,
TDRE
TC
H (8) 7 6 5 4 3 2 1 0
GENERATOR
PARITY
QUEUED SERIAL MODULE
Go to: www.freescale.com
Tx SHIFT REGISTER
SCDR Tx BUFFER
10 (11) - BIT
0
15
CONTROL LOGIC
TRANSMITTER
L
(WRITE-ONLY)
SCSR (STATUS REGISTER)
FORCE PIN
DIRECTION
(OUT)
MDDR7
MDDR5
AND CONTROL
PIN BUFFER
INTERNAL
DATA BUS
0
68300 SCI TX BLOCK
TxD
6-23
6