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HT81R03

Holtek Semiconductor Inc
Part Number HT81R03
Manufacturer Holtek Semiconductor Inc
Description EasyVoice Speech
Published Mar 26, 2005
Detailed Description HT81xxx EasyVoiceTM Speech Features · Operating voltage: 2.4V~5V · Directly drives an external transistor · PWM functio...
Datasheet PDF File HT81R03 PDF File

HT81R03
HT81R03

Overview
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 (based on a 8kHz sampling rate) - One shot/Normal - Pull-high resistance: 0, 50kW, 100kW, 200kW · Section options - Retriggerable - Non-retriggerable · Package types: HT81006/009/012/018: 16-pin DIP package HT81R09/R18/R36: 16-pin SOP package Applications · Leisure products · Alarm clocks · Alert and...


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