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SERIAL I/O INTERFACE S3C9228/P9228
15-4
SERIAL I/O TIMING DIAGRAM (SIO)
SO
Transmit
Complete
SIO INT
Set SIOCON.3
DO7 DO6 DO5 DO4 DO3 DO2 DO1 DO0
DI7 DI6 DI5 DI4 DI3 DI2 DI1 DI0SI
SCK
Figure 15-4. Serial I/O Timing in Transmit/Receive Mode (Tx at falling, SIOCON.4 = 0)
SIO INT
DO7 DO6 DO5 DO4 DO3 DO2 DO1 DO0
DI7 DI6 DI5 DI4 DI3 DI2 DI1 DI0
SCK
Transmit
Complete
SI
SO
Set SIOCON.3
Figure 15-5. Serial I/O Timing in Transmit/Receive Mode (Tx at rising, SIOCON.4 = 1)