LC651306A/04A/02A/01A
tCKCY
tCKL
tCKH
SCK
tICK tCKI
SI
Input Data
tCKO
SO
Output Data
0.8VDD
0.2VDD
Load circuit
VDD
1KΩ
50pF
Figure 6 Serial I/O Timing
tPH
0.7VDD
tPCY
0.25VDD
tPL
The load conditions are the
same as those in Figure 5.
Figure 7 Port PE0 Pulse Output Timing
Rw
RI
Cw
PE1/WDR
tWCCY
tWCT
tWCCY : Charge time made by the external Cw, Rw, and Rl time constants
tWCT : Discharge time made by program control
Figure 8 Watchdog Timer Waveform
No.6727-17/21