DatasheetsPDF.com

HT81R18

Holtek Semiconductor
Part Number HT81R18
Manufacturer Holtek Semiconductor
Description EasyVoice Speech
Published Oct 10, 2021
Detailed Description HT81xxx EasyVoiceTM Speech Features · Operating voltage: 2.4V~5V · Directly drives an external transistor · PWM functio...
Datasheet PDF File HT81R18 PDF File

HT81R18
HT81R18

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 (ba...


Similar Datasheet


Since 2006. D4U Semicon,
Electronic Components Datasheet Search Site. (Privacy Policy & Contact)