UART S3C84E5/C84E9/P84E9
13-12
Transmit
TIP
Write to Shift Register (UARTDATA)
Start Bit
TxD
Stop BitD0 D1 D2 D3 D4 D5 D6 D7
Shift
Tx
Clock
Receive
RIP
Start Bit
Rx
Clock
Stop
Bit
RxD
D0 D1 D2 D3 D4 D5 D6 D7
Bit Detect Sample Time
Shift
TB8 or Parity bit
RB8 or Parity bit
Figure 13-8. Timing Diagram for UART Mode 2 Operation