mc68hc912bd32 Freescale Semiconductor, Inc, mc68hc912bd32 Datasheet - Page 149

• Manufacturer Part Number: mc68hc912bd32
• Description: 16-bit Device Composed Of Standard On-chip Peripherals
• Manufacturer: Freescale Semiconductor, Inc

Data Format
3-sint
INTERNAL
LOGIC
TO
DATA BUS
Figure 20 Serial Communications Interface Block Diagram
SC0BD/SELECT
DIVIDER
MCLK
The serial data format requires the following conditions:
•
•
Freescale Semiconductor, Inc.
DETECT
For More Information On This Product,
PARITY
SC0CR1/SCI CTL 1
BAUD RATE
An idle-line in the high state before transmission or reception of a
message.
A start bit (logic zero), transmitted or received, that indicates the
start of each character.
CLOCK
Tx Baud Rate
Rx Baud Rate
INT REQUEST LOGIC
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SC0SR1/INT STATUS
SC0CR1/SCI CTL 1
DATA RECOVERY
INT REQUEST LOGIC
Serial Interface
GENERATOR
PARITY
WAKE-UP LOGIC
MSB
MSB
TxD BUFFER/SC0DRL
TxD BUFFER/SC0DRL
SC0SR1/INT STATUS
10-11 BIT SHIFT REG
10-11 BIT SHIFT REG
SC0CR2/SCI CTL 2
SC0CR2/SCI CTL 2
SCI TRANSMITTER
TxMTR CONTROL
SCI RECEIVER
Serial Communication Interface (SCI)
LSB
LSB
MC68HC912BD32 Rev 1.0
Serial Interface
PS1
RxD
TxD
PS0