UPD17073 NEC, UPD17073 Datasheet - Page 120

• Manufacturer Part Number: UPD17073
• Description: 4-BIT SINGLE-CHIP MICROCONTROLLER WITH HARDWARE FOR DIGITAL TUNING SYSTEM
• Manufacturer: NEC

Shift clock
(37.5 kHz)
Shift clock
(18.75 kHz)
Shift clock
(12.5 kHz)
120
(2) When wait operation is performed
(a) When wait status is set at the 8th clock (normal operation)
Shift clock
Initialization
Initialization
Initialization
Figure 14-6. Shift Clock Generation Timing of Serial Interface (1/4)
Figure 14-6. Shift Clock Generation Timing of Serial Interface (2/4)
Wait status
Wait status
Wait status
Wait released status
Wait released
Wait released
Wait released
13.33 s
13.33 s
26.66 s
1/f
1 : 1
SC
Wait
1/f
1 : 1
Wait status
Contents of output latch
SC
Wait released
1/f
SC
2 : 1
1/f
SC
PD17072,17073