W91590 Datasheet, PDF (18/20 Pages) Winbond – 24-MEMORY TONE/PULSE SWITCHABLE DIALER WITH HANDFREE, HOLD AND LOCK FUNCTIONS

W91590 SERIES
Timing Waveforms, continued
HKS
KEY IN
DP
4
2
R/P
2
TKID
BM
MB
TPDP TIDP
TIDP
T/P MUTE
TP
HPM MUTE
KT
DTMF
OSC.
TFKP
LOW
OSCILLATION
TIDP
TPDP
Figure 5. Pause Function Timing Diagram
HKS
KEY IN
DP
T/P MUTE
HPM MUTE
4
2
*/T
8
TKID
BM
MB
TPDP ^TIDP
TIDP
TP
KT
DTMF
TFKP
OSC.
TIDP
OSCILLATION
Figure 6. Pulse-to-Tone Function Timing Diagram
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