w91080 Winbond Electronics Corp America, w91080 Datasheet - Page 9

• Manufacturer Part Number: w91080
• Description: Tone/pulse Dialer With Handfree Lock Tone Functions
• Manufacturer: Winbond Electronics Corp America

TIMING WAVEFORMS
Timing Waveforms, continued
T/P MUTE
KEY IN
T/P MUTE
DTMF
HKS
OSC.
KEY IN
KT
DP
DTMF
OSC.
HKS
DP
KT
T
3
T
Figure 2(a). Tone Mode Normal Dialing Timing Diagram
TD
KID
T
T
T
KID
PDP
NORMAL DIALING
ITP
OSCILLATIO
N
OSCILLATION
Figure 1. Pulse Mode Timing Diagram
2
T
IDP
T
T
KRD
LOW
KT
T
PDP
T
T
B
M
HIGH
- 9 -
T
IDP
T
KRD
LOW
T
ITP
OSCILLATION
R/P
T
KID
T
KI
D
AUTO DIALING
Publication Release Date: June 1994
T
OSCILLATIO
N
PDP
T
W91080 SERIES
T
KRD
IDP
T
ITP
T
PDP
T
IDP
Revision A3