HT812D0 2.
8 Second LOG-PCM Speech
Features
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Operating voltage: 2.
4V~5.
0V Directly drives an external
transistor Low standby current (1µA Typ.
for VDD=3V) Minimal external components 124 words table ROM for key functions Programmable silence length and end-pulse width (minimal end-pulse width is 330µs at a 6kHz sampling rate) 2.
8-second voice capacity Controllable volume FLAG1 options: – End-pulse output – 3Hz flash – 6Hz flash – Voice output indication – Busy output FLAG2 options: – 3Hz flash – 6Hz flash – Busy output
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Four keys Key options: – Stop key: KEY4 – Random (only for KEY1) – Sequential (only for KEY1) – Repeat (for all KEYs, under retriggerable conditi...