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參數(shù)資料
| 型號(hào)： | W52904 |
| 廠商： | WINBOND ELECTRONICS CORP |
| 元件分類： | 音頻合成 |
| 英文描述： | ADPCM/PCM Voice Synthesizer(ADPCM/PCM話音合成器) |
| 中文描述： | 12 SEC, SPEECH SYNTHESIZER, UUC18 |
| 文件頁數(shù)： | 11/40頁 |
| 文件大小： | 190K |
| 代理商： | W52904 |
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W529XX Application Note
- 11 -
For the H/W automatic scan mechanism, the internal H/W starts to scan the defined keypad matrix with the
priority of VSS > IO1 > IO2 > IO3 > IO4 > IO5 > IO6 > IO7 after any TG pin is debounced successfully. During
the H/W scan, the W529XX ripples a low pulse through the scan outputs IO1 - IO7, causing the depressed key
to be detected within a period of no longer than 1 mS. Owing to the priority setting in the H/W scan mechanism,
the time used to detect a depressed key may vary somewhat depending on which column it belongs to. To
avoid possible ambiguities, all TG pins used for keypad scan purposes should be disabled for their
corresponding rising edges by software programming. The trigger debounce time must be set to a long time
(around 45mS).
For a S/W controlled keypad scan, customers may program their own scan patterns for specific purposes. In
order for the W529XX to correctly detect a depressed key, the *.out file should be programmed based on the JP
N @TG_status commands with the IO pins being configured as STOP outputs.
A typical example for a 12-key keypad is as follows:
(for reference only)
W52906
LED1
FREQ1
; Sample rate is 6KHz
POI:
LD MODE1, 0x03
LD MODE2, 0xFF
LD EN, 0x0F
LD OUTPUT, 0x00
END
; 45mS debounce time
must
be selected for keypad scan
; Reset OUTPUT to arm keys for triggering.
TG1F:
; For TG1F edge
LD OUTPUT, 0xFF
JP key1 @TG1_L
LD OUTPUT, 0xFE
JP key5 @TG1_L
LD OUTPUT, 0xFD
JP key9 @TG1_L
END
TG2F:
;For TG2F edge
LD OUTPUT, 0xFF
JP key2 @TG2_L
LD OUTPUT, 0xFE
JP key6 @TG2_L
LD OUTPUT, 0xFD
JP key10 @TG2_L
END
TG3F:
; For TG3F edge
LD OUTPUT, 0xFF
JP key3 @TG3_L
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| W52905 | ADPCM/PCM Voice Synthesizer(ADPCM/PCM話音合成器) |
| W52906 | ADPCM/PCM Voice Synthesizer(ADPCM/PCM話音合成器) |
| W52920 | ADPCM/PCM Voice Synthesizer(ADPCM/PCM話音合成器) |
| W52915 | ADPCM Voice Synthesizer(ADPCM話音合成器) |
| W52902 | ADPCM Voice Synthesizer(ADPCM話音合成器) |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| W-53 | 制造商:RAF Electronic Hardware 功能描述:SPRING, COMPRESSION, 3.6N, 19.1MM; Body Length:19.1mm; Compressed Length:12mm; Compression Load Max:3.6N; External Diameter:6.35mm; Wire Diameter:0.5mm ;RoHS Compliant: Yes |
| W5300 | 功能描述:以太網(wǎng) IC HI PERF ENET CONTR TCP/IP+MAC+PHY RoHS:否 制造商:Micrel 產(chǎn)品:Ethernet Switches 收發(fā)器數(shù)量:2 數(shù)據(jù)速率:10 Mb/s, 100 Mb/s 電源電壓-最大:1.25 V, 3.45 V 電源電壓-最小:1.15 V, 3.15 V 最大工作溫度:+ 85 C 封裝 / 箱體:QFN-64 封裝:Tray |
| W530-02 | 制造商:CYPRESS 制造商全稱:Cypress Semiconductor 功能描述:Frequency-multiplying, Peak-reducing EMI Solution |
| W530-02H | 制造商:Cypress Semiconductor 功能描述:PLL Frequency Multiplier Single 20-Pin SSOP |
| W530-02HT | 制造商:Cypress Semiconductor 功能描述: |
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