Oki MSM85C154HVS - Page 121

MSM80C154S/83C154S/85C154HVS
114
Figure 4-32 Serial port (mode 1) timing chart
D1
WRITE TO SBUF TXD TERMINATE TRANSMISSION TX CLOCK TI
D2 D3 D4 D5 D6
RX COUNTER RUN RXD SAMPLE CLOCK LOAD SBUF RXD SHIFT-IN CLOCK RI or SERR SET TERMINATE RECEPTION
STOP BIT STOP BIT
M1·S3
D7D0
D1 D2 D3 D4 D5 D6 D7D0
M1·S3
START BIT START BIT