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參數(shù)資料
型號: W561S40
廠商: WINBOND ELECTRONICS CORP
元件分類: 音頻合成
英文描述: 4-tone PCM Melody+ADPCM/PCM Voice Synthesizer(4音PCM音樂、ADPCM/PCM話音合成器)
中文描述: 40 SEC, SPEECH SYNTHESIZER
文件頁數(shù): 60/62頁
文件大小: 848K
代理商: W561S40
W561XXX DESIGN GUIDE
- 60 -
KEY3:
PLAY CH1, H4+MI+T4
CALL DELAY
MV VOL1,WR7
JP ReleaseKey
KEY4:
ADD R7,0001B
AND R7,0111B
ReleaseKey:
MV WR0,P0
XOR R0,1111B
JNZ ReleaseKey
JB Bounce
DELAY:
LD R0,0110B
LD R1,1111B
DEL_L:
DJNZ R1,DEL_L
DJNZ R0,DEL_L
RTN
; Check key is released or not
Normally, the trigger debounce and key scan routines can be written as modules for most
programs to use repeatedly. Only slight modifications are necessary to meet
certain specific
requirements
.
Keypad Matrix Application
For applications that require a large keypad of many keys, the W561xxx family offers a direct
row and column matrix of up to 8 x 9 keys.
This program uses port 0 and port 1 as input ports, while port 2 and port 3 as the output ports to
form the keypad matrix of 8 x 8 keys. We can also add the V
ss
line as another column to get a
maximum of 8 x 9 keypad matrix in a direct manner.
You might be able to further expand the keypad matrix by adding external resistors and diodes.
This part will be collected in the application note later on.
Application Circuit
相關(guān)PDF資料
PDF描述
W561S50 4-tone PCM Melody+ADPCM/PCM Voice Synthesizer(4音PCM音樂、ADPCM/PCM話音合成器)
W561S60 4-tone PCM Melody+ADPCM/PCM Voice Synthesizer(4音PCM音樂、ADPCM/PCM話音合成器)
W561S80 4-tone PCM Melody+ADPCM/PCM Voice Synthesizer(4音PCM音樂、ADPCM/PCM話音合成器)
W561S99 4-tone PCM Melody+ADPCM/PCM Voice Synthesizer(4音PCM音樂、ADPCM/PCM話音合成器)
W561XXX 4-CH MELODY WITH VOICE SYNTHESIZER (BandDirectorTM Family)
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
W561S50 制造商:未知廠家 制造商全稱:未知廠家 功能描述:BandDirectorTM Family
W561S60 制造商:未知廠家 制造商全稱:未知廠家 功能描述:BandDirectorTM Family
W561S80 制造商:未知廠家 制造商全稱:未知廠家 功能描述:BandDirectorTM Family
W561S99 制造商:未知廠家 制造商全稱:未知廠家 功能描述:BandDirectorTM Family
W561XXX 制造商:WINBOND 制造商全稱:Winbond 功能描述:4-CH MELODY WITH VOICE SYNTHESIZER (BandDirectorTM Family)