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HT62L256 Datasheet

  • HT62L256

  • 2.8 Second Enhanced Tone Voice

  • 390.67KB

  • 9頁

  • HOLTEK

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HT812L0
2.8 Second Enhanced Tone Voice
Features
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Operating voltage: 2.4V~5.0V
Low standby current (1
碌
A Typ.)
Voice/sound effect/simple melody output
2.8-second voice capacity
32 tone sections
16 words for each tone section
Current type D/A output
Mask options
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Pull-high resistor: 20k
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/50k
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/100k
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KEY1: Direct or sequential/random key
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Trigger mode: Retriggerable/Non-retrig-
gerable
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KEY1 play normal mode or twin mode
Normal mode: one group for KEY1
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Twin mode: Two groups for KEY1
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8 direct key or 4
脳
4 MATRIX keys
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Two-page trigger
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Key debounce time: 22ms/45ms
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Trigger function:
Level hold/one shot/level trigger
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FLAG1, FLAG2 outputs:
3Hz/sound level/busy/6Hz/endp
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Melody/tone decay time:
2 sec/1 sec/0.5 sec/0.25 sec
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Four kinds of envelope shapes for melody
Tone shape: tone+2kHz/noise/tone/silence
Tempo: 16ms/section~1 sec/section
Dice form or 16-pin DIP
Applications
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Toys
Alarm clocks
Public address system
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Alert & warning system
Sound effect generators
Voice interface products
General Description
The HT812L0 is a single chip PCM voice and
sound effect synthesizer. It provides 2.8 seconds
of voice capacity at a 6kHz sampling rate
(F
SR
=6kHz) and 32 sections of sound ef-
fects/simple melodies. A maximum of 8 keys or
4
脳
4 MATRIX are available. Of the 8 keys or 4
脳
4
MATRIX, KEY1 can be optioned as a direct or
sequential/random key, so that it can play an
interlaced voice/sound effect/simple melody and
generate various special sound effects for toys
and sound effect generator applications.
Pin Assignment
1
5th May 鈥?8

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