W91550 WINBOND [Winbond], W91550 Datasheet - Page 23

• Manufacturer Part Number: W91550
• Description: 13-MEMORY TONE/PULSE DIALER WITH LCD AND LOCK FUNCTION
• Manufacturer: WINBOND [Winbond]

Timing Waveforms, continued
HPM MUTE
HPM MUTE
T/P MUTE
T/P MUTE
KEY IN
KEY IN
DTMF
DTMF
HKS
OSC.
Figure 2(a). Normal Dialing Timing Diagram (Tone Mode without Lock Function)
HKS
OSC.
Figure 2(b). Normal Dialing Timing Diagram (Tone Mode with Lock Function)
DP
DP
T
< 600mS
< 600mS
OFD
< 300mS
< 300mS
T
KID
T
ITP
T
FKD
T
TD
T
T
T
TD
KRD
KRD
OSCILLATION
OSCILLATION
- 23 -
High
High
Low
Low
T
T
T
KRD
KRD
ITP
T
ITP
Publication Release Date: November 1997
W91550DN SERIES
T
T
KID
KID
T
T
T
T
KRD
KRD
ITP
ITP
Revision A3