Configuration Of Uart - Fujitsu F2MC-8L F202RA Hardware Manual

F2mc-8l 8-bit microcontroller
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CHAPTER 13 UART
13.2

Configuration of UART

UART consists of the following ten registers and components:
• Serial mode control register (SMC)
• Serial rate control register (SRC)
• Serial status and data register (SSD)
• Serial input data register (SIDR)
• Serial output data register (SODR)
• Baud rate generator
• Reception control circuit
• Transmission control circuit
• Clock divider selection register (UPC)
• UART prescaler
Block Diagram of UART
P30/UCK/SCK
Pin
UART
prescaler
PREN
PR2,1,0
Clock
divider
selection
register
(UPC)
Serial mode
control
register
(SMC)
284
Figure 13.2-1 Block Diagram of UART
Transmission
clock
Reception control
circuit
Received
byte
Baud rate
counter
generator
Start bit
detection
circuit
Parity
Reception clock
Shift register
Register
P32/UI/SI
<Serial input data
register (SIDR)>
Pin
Internal data bus
PEN
SBL
Serial rate
control
MC1/0
register
SMDE
(SRC)
SCKE
SOE
Control bus
UART
Reception
interrupt
interrupt
Transmission
control circuit
Transmitted
byte counter
Parity
transmission
timing
RP
Parity
Shift register
Completion
of receipt of
Register
one byte
<Serial output
data register
(SODR)>
Serial status
and data
register
CR
(SSD)
CS1/0
RC2 to 0
RIE
IRQ6
Transmission
interrupt
IRQ5
TIE
P31/UO/SO
Pin
TP
RDRF
ORFE
TDREX
TIE
RIE
TP
RP
Control bus

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