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Samsung S3C8245 User Manual

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SERIAL I/O INTERFACE
S3C8245/P8245/C8249/P8249
16-4
SERIAL I/O TIMING DIAGRAM
SO
Transmit
Complete
IRQS
Set SIOCON.3
DO7
DO6
DO5
DO4
DO3
DO2
DO1
DO0
DI7
DI6
DI5
DI4
DI3
DI2
DI1
DI0
SI
SCK
Figure 16-4. Serial I/O Timing in Transmit/Receive Mode (Tx at falling, SIOCON.4 = 0)
IRQS
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 16-5. Serial I/O Timing in Transmit/Receive Mode (Tx at rising, SIOCON.4 = 1)