W91810AN WINBOND [Winbond], W91810AN Datasheet - Page 19

• Manufacturer Part Number: W91810AN
• Description: 23-MEMORY TONE/PULSE DIALER WITH HANDFREE, LOCK AND HOLD FUNCTIONS
• Manufacturer: WINBOND [Winbond]

Timing Waveforms, continued
H/P MUTE
CHIP ENABLE
T/P MUTE
KEY IN
DTMF
H/P MUTE
T/P MUTE
OSC.
HKS
DP
KT
H KEY
HKS
HFO
HFI
Figure 2(e) Tone Mode Timing Diagram with On-hook Debounce (Auto dialing)
Note: The H KEY can not be enabled during chip dissable.
ON HOOK
OFF HOOK
R/P
T
T
TD
KID
Figure 3(a)
OSC.
- 19 -
T
LOW
HIGH
LOW
HIGH
ITP
T
ON HOOK
T > T
Publication Release Date: March 2000
(return to initial state)
OHD
W91810N SERIES
Revision A5