W925E240 Datasheet, PDF (46/73 Pages) Winbond – 8-BIT CID MICROCONTROLLER

W925E/C240
C1
C2
C3
C4
REN1
P4.0
SEDG=1, rising latch
P4.0
SEDG=0, falling latch
1234 56 78
1234 56 78
SF1
P4.1
Data Input
NOTE: The serial clock frequency is fosc/2
Figure 6-8 Timing of the Serial Port 1 Input Function
C1
C2
C3
C4
Ins.
serial out
instruction
P4.0
SEDG=1, falling changed
P4.0
SEDG=0, rising changed
1234 56 78
1234 56 78
SF1
P4.1
Data output
NOTE: The serial clock frequency is fosc/2
Figure 6-9 Timing of the Serial Port 1 Output Function
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