W91510DLNF データシートの表示（PDF） - Winbond

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W91510DLNF

TONE/PULSE DIALER WITH RTC AND LCD DISPLAY FUNCTIONS

Winbond 

Preliminary W91510DN SERIES

Timing Waveforms, continued

HKS

HFI

HOLD KEY

HFO

T/P MUTE

H/P MUTE

CHIP ENBLE

OFF HOOK

High

Figure 8(b). Hold and Handfree 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 activate inputs will be ignored.

HKS

HFI

HOLD1 KEY

HFO

T/P MUTE

H/P MUTE

CHIP ENBLE

ON HOOK

High

Figure 8(c). Hold and Handfree Timing Diagram

Note: Changing the state of the HKS signal from high to low will initialize the HFO and H/P MUTE signals.

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Publication Release Date: May 1997

Revision A2

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