Voice/Music
Voice/Music
Enhanced Music
MCU
(16 Polyphony)
Part No.
HT37B50*
HT37B60*
HT37B70*
VDD
3.3V~5.5V
3.3V~5.5V
3.3V~5.5V
Program
Memory
128K´16
192K´16
256K´16
Data
Memory
768´8
768´8
768´8
I/O
32
32
32
Timer
8-bit
2
2
2
16-bit
1
1
1
D/A
16-bit´2
16-bit´2
16-bit´2
A/D
12-bit´8
12-bit´8
12-bit´8
Speech
PCM/ADPCM
PCM/ADPCM
PCM/ADPCM
Power
AMP
Ö
Ö
Ö
Package
28SOP, 80LQFP
28SOP, 80LQFP
28SOP, 80LQFP
*
Under development, available in 4Q, 2008.
Note: The waveform data and program code share the same memory space.
Enhanced
ROMless
Music
MCU
(16 Polyphony)
Part No.
HT37P00
VDD
2.4V~5.5V
Program
Memory
¾
Data
Memory
4096´8
I/O
56
Timer
8-bit
3
16-bit
1
D/A
16-bit´2
A/D
12-bit´16
Speech
PCM/ADPCM
Power
AMP
Ö
Package
128QFP
Note: The waveform data and program code share the same memory space.
Music Generator
Part No.
HT3834
HT38A5
VDD
2.4V~5.0V
2.4V~5.0V
Polyphonic
4
8
Output
DAC
DAC
Demo Songs
36
12
Features
CPU/Manual Mode
CPU/Manual Mode
Package
16/28SOP
16DIP, 20SOP
Piano
Part No.
HT3497
HT3617
VDD
2.4V~5.0V
3.6V~5.0V
Keys
49/54
61
Timbre
100
100
Rhythm
100
100
Demo Songs
10
12
Features
¾
LCD Display
Package
48SSOP
56SSOP
Sound Effects
Part No.
HT8950/HT8950A
HT8970
HT8972
Description
Voice Changer
Voice Echo
Voice Echo
VDD
2.4V~4.0V
4.5V~5.5V
4.5V~5.5V
Command Input
Manual
Manual
Manual
Built-in VCO
Ö
Ö
Ö
Built-in RAM
¾
20kb
40kb
Delay Time (ms)
¾
30~330
30~330
Package
16/18DIP
16DIP/SOP
16DIP/SOP
http://www.holtek.com.tw/pdf/guide.pdf
18
March 31, 2008
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