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2022-09-21 17:24:28
The W91410 series is a single -chip integrated circuit, providing necessary signals for pulse or audio dialing.The W91410 series has the function of reconnecting and saving memory.
General description
W91410 series is a single -chip integrated circuit, providing necessary signals for pulse or audio dialing. The W91410 series has the function of reconnecting and saving memory.
Features
DTMF/pulse can switch dialers
2 × 32 -bit resume and save memory
Pulse to sound to tone for long -distance call operations (P → T) Keyboard
Disted/closed ratio can be selected by pins options
Use 4 × 4 keyboard
Use redipping, flash, pause and P → T small keyboard, simple operation
Flash, PAUSE, P → T (pulse to tone) can be stored in a digital memory
minimum tone output duration: 100 ms
] The minimum sound room pause: 100 ms
Power -powered reset
Use 3.579545 MHz crystal or ceramic resonator
Use 18 -pin plastic impregnation packaging
W91410 Different dial -up programs in the series are shown in the table below: 
Block figure 
timing waveform
Figure 1 (a). Pulse mode sequence diagram
Figure 1 (b). Pulse mode sequence diagram
timing waveform (continuation) 