Block Diagram Of Uart Serial Interface; Fig. 13-4-1 Block Diagram - Panasonic MN103001G/F01K User Manual

13.4.2 Block Diagram of UART Serial Interface

Fig 13-4-1 shows the block diagram for the UART serial interface sections.
Serial interface 3
Parity bit addition
Stop bit addition
SC3ICR
Interrupt mode register
Transmission
interrupt request
Interrupt request
generation
Reception
interrupt request
SC3STR
Status register
SC3CTR
Control register
Transmission buffer write
Transmission buffer
Shift register
Transmission clock
Transmission bit
counter
Timer register
Reception bit
counter
Transmission clock
Shift register
Reception buffer
Reception buffer read
Clock
control

Fig. 13-4-1 Block Diagram

Start bit
Send break
Output control
SC3TIM
Start bit detection
Parity bit check
Stop bit check
IOCLK
Timer 2 underflow
Timer 8 underflow
Serial Interface
I/O Port Block
IRQ7
When using IRQ7,
digital input must be
selected.
SBO3
SBI3
SBT3
Set the serial signals
in the I/O port
control register.
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