User`s manual

Semiconductor Group 6-44
On-Chip Peripheral Components
C501
Figure 6-24
Serial Interface, Mode 2 and 3, Timing Diagram
MCT02587
Write to SBUF
TX Clock
D7
TB8
Stop Bit
D6D5
D4
D3
D2D1
D0
Start Bit
Stop Bit Gen. TI TXD Shift Data
Mode 2 : S6P1
Send
RX Clock
RX
D0
Start Bit
D1 D2
D3
D4
D5 D6
D7
RB8
Stop Bit
Bit Detector Sample Times Shift RI
÷ 16 Reset
Receive
Transmit
Mode 3 : S1P1