W91550DN SERIES
Publication Release Date: November 1997
- 29 -
Revision A3
Timing Waveforms, continued
T/P MUTE
HFI
HKS
OFF HOOK
HFO
High
HPM MUTE
CHIP ENBLE
HOLD KEY
Figure 10(b). Hold Timing Diagram
Note: The HFI and HOLD KEY inputs will toggle the HFO signal; as soon as either HFI or HOLD KEY is activated, the HFO
signal will go high and previous activated inputs will be ignored.
T/P MUTE
HOLD KEY
HFI
HKS
ON HOOK
HFO
High
HPM MUTE
CHIP ENBLE
Figure 10(c). Hold Timing Diagram
Note: Changing the state of the HKS signal from high to low will initialize the HFO and HPM MUTE signals.
