UART

S3C84E5/C84E9/P84E9

 

 

Tx

Clock

 

Write to Shift Register (UARTDATA)

 

 

 

 

 

Shift

 

 

 

 

 

 

 

 

TxD

Start Bit

D0

D1

D2

D3

D4

D5

D6

TIP

 

 

 

 

 

 

 

 

Rx

Clock

RxD

Start Bit

D0

D1

D2

D3

D4

D5

Bit Detect Sample Time

Shift

RIP

 

 

 

 

 

 

Transmit

 

 

 

 

 

 

 

D7

Stop Bit

 

 

 

 

 

 

 

 

 

 

TB8 or Parity bit

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RB8 or Parity bit

D6

D7

Stop

 

 

Bit

Receive

Figure 13-8. Timing Diagram for UART Mode 2 Operation

13-12

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Image 275
Samsung S3C84E5 user manual Timing Diagram for Uart Mode 2 Operation, 13-12