W91580 Datasheet, PDF (17/19 Pages) Winbond – 24-MEMORY TONE/PULSE SWITCHABLE DIALER WITH HANDFREE AND HOLD FUNCTIONS

W91580 SERIES
Timing Waveforms, continued
HKS
KEY IN
DP
T/P MUTE
HPM MUTE
KT
DTMF
OSC.
4
2
R/P
2
TKID
BM
MB
TPDP TIDP
TIDP
TP
TIDP
TPDP
LOW
OSCILLATION
Figure 5. Pause Function Timing Diagram
HKS
KEY IN
DP
T/P MUTE
HPM MUTE
KT
DTMF
OSC.
4
2
*/T
8
TKID
BM
MB
TPDP ^TIDP
TIDP
TP
TIDP
OSCILLATION
Figure 6. Pulse-to-Tone Function Timing Diagram
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Publication Release Date: Auguest 1995
Revision A3