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參數(shù)資料
| 型號(hào)： | HT62L256 |
| 廠商： | Holtek Semiconductor Inc. |
| 英文描述： | DISPLAY 7-SEG 7.6MM GREEN |
| 中文描述： | 2.8秒增強(qiáng)音聲 |
| 文件頁數(shù)： | 1/9頁 |
| 文件大?。?/td> | 391K |
| 代理商： | HT62L256 |
HT812L0
2.8 Second Enhanced Tone Voice
Pin Assignment
Features
Operating voltage: 2.4V~5.0V
Low standby current (1
μ
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
–
Pull-high resistor: 20k
/50k
/100k
–
KE Y1: Direct or sequential/random key
–
Trigger mode: Retriggerable/Non-retrig-
gerable
–
K E Y1 play normal mode or twin mode
Normal mode: one group for K E Y1
Twin mode: Two groups for K E Y1
–
8 direct key or 4
×
4 MATRIX keys
–
Two-page trigger
–
K ey debounce time: 22ms/45ms
–
Trigger function:
Level hold/one shot/level trigger
–
FLAG1, FLAG2 outputs:
3Hz/sound level/busy/6Hz/endp
–
Melody/tone decay time:
2 sec/1 sec/0.5 sec/0.25 sec
–
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
Toys
Alarm clocks
Public address system
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
=6kH z) and 32 sections of sound ef-
fects/simple melodies. A maximum of 8 keys or
4
×
4 MATRIX are available. Of the 8 keys or 4
×
4
MATRIX, K E Y1 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.
1
5th May ’98
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