HT81xxx EasyVoiceTM Speech
Features
· Operating
voltage: 2.
4V~5V · Directly drives an external transistor · PWM function directly driver speaker
· Low standby current (1mA typ.
for VDD=3V) · Minimal external components · 240 notes table ROM for key functions · Programmable silence length and end-pulse width
(minimal end-pulse width is 1.
3ms at 8kHz sampling rate) · Controllable volume · FLAG1 options - End-pulse output - 3Hz, 3HzB flash - 6Hz, 6HzB flash - Busy output - OFF · FLAG2 options - 3Hz flash - 6Hz flash - Busy output - OFF
· 6 keys (Directed)
· 8 keys (Matrix key)
· Key options
- Sequential/Directed - Repeat (KEY2~KEY6) - STOP key (KEY6) - Key debounce time: 1.
2ms, 22ms, 45ms
(ba...