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參數資料
| 型號： | W58103 |
| 廠商： | WINBOND ELECTRONICS CORP |
| 元件分類： | 音頻合成 |
| 英文描述： | ADPCM Voice Synthesizer(ADPCM話音合成器) |
| 中文描述： | 9 SEC, SPEECH SYNTHESIZER, UUC16 |
| 文件頁數： | 6/41頁 |
| 文件大?。?/td> | 195K |
| 代理商： | W58103 |
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W581xx Design Guide
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6 -
7. WRP, RDP, and DATA
These three pins are dedicated to the W58100 emulation chip and are used to communicate with
external serial memory devices such as flash EPROMs. Using these three pins together with an
W58100 chip allows for 100% emulation of code to be used in mass produced chips.
8. /DISOTP
This pin is used to disable the three serial interface pins (WRP, RDP, and DATA) on the W58100
emulation chip. This allows the programming of a flash EPROM without disconnecting the interface
pins in advance. This pin can be grounded to program the flash EPROM which is bonded on the COB
and W58100. This concept is shown in the following diagram:
WRP
DATA
RDP
/DISOTP
WRP
DATA
RDP
VPP
MCLK
PGM
Vss
VDD
W58100
W55412A
TG1
OSC
SPK
VDD
VSS
WRITER
t ext ool
1
8
1
2
3
4
8
7
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
5
6
PCB
COB
gr ound
After programming, the /DISOTP pin must be floated in order to enable the WRP, DATA and RDP
pins on the W58100. The sound effect of the flash EPROM can then be heard.
9. /RESET
This is an active-low reset input with an internal pull-high resistance of 500K ohm. The falling edge of
this pin resets the W581XX IC completely just as if a power-on reset had been performed. The
W581XX begins the POI process on the rising edge of this pin.
The device may function abnormally and cause unpredictable operation if VDD is not discharged to
ground and the W581XX is powered up again. This pin can be used to reset the W581XX.
10. SPK
The SPK pin is a current type voice output connected to the internal D/A converter. The full-scale
output of the 8-bit D/A converter is 5mA. This output is sufficient to drive an external 8 ohm speaker
by using an external low-power NPN transistor with a 120~160 beta value, such as an 8050D, or its
equivalent.
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| W58115 | ADPCM Voice Synthesizer(ADPCM話音合成器) |
| W58120 | ADPCM Voice Synthesizer(ADPCM話音合成器) |
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