XC912BC32CFU8 Motorola Semiconductor Products, XC912BC32CFU8 Datasheet - Page 205

• Manufacturer Part Number: XC912BC32CFU8
• Description: M68HC12B Family Data Sheet
• Manufacturer: Motorola Semiconductor Products

M68HC12B Family — Rev. 8.0
MOTOROLA
INTERNAL
LOGIC
TO
DATA BUS
Figure 14-2. Serial Communications Interface Block Diagram
SC0BD/SELECT
DIVIDER
MCLK
DETECT
PARITY
SC0CR1/SCI CTL 1
BAUD RATE
TX BAUD RATE
CLOCK
RX BAUD RATE
INT REQUEST LOGIC
SC0SR1/INT STATUS
SC0CR1/SCI CTL 1
DATA RECOVERY
Serial Interface
INT REQUEST LOGIC
GENERATOR
PARITY
WAKEUP LOGIC
MSB
MSB
RxD BUFFER/SC0DRL
10-11 BIT SHIFT REG
TxD BUFFER/SC0DRL
SC0SR1/INT STATUS
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
Serial Interface
Data Sheet
TxD
PS1
RxD
PS0
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