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參數資料
| 型號： | W682510 |
| 廠商： | WINBOND ELECTRONICS CORP |
| 元件分類： | Codec |
| 英文描述： | DUAL-CHANNEL VOICEBAND CODECS |
| 中文描述： | 雙通道聲帶編解碼器 |
| 文件頁數： | 13/35頁 |
| 文件大小： | 1310K |
| 代理商： | W682510 |
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W682510/W682310
7.4.2. BCLK
This is the shift clock signal input for the PCMR1, PCMR2, PCMT1, and PCMT2 signals. The
frequency, equal to the data rate, is 64, 96, 128, 192, 256, 384, 512, 768, 1024, 1536, 1544, 2048 or
200 kHz. Setting this signal to a steady logic “1” or “0” sets both transmit and receive circuits to the
power saving state.
7.4.3. FSR
This is the receive synchronizing signal input. The required eight-bits of PCM data are selected from
the PCM data signal to the PCMR1 and PCMR2 pins by the receive synchronizing signal. All timing
signals in the receive section are synchronized by this synchronizing signal. This signal must be in
phase with the BCLK. The frequency should be 8 kHz
±
50 ppm to guarantee the AC characteristics.
This device can operate in the range of 6 kHz to 9 kHz, but the electrical characteristics specified in
the data sheet are not guaranteed.
7.4.4. FST
The transmit synchronizing signal input. The PCM output signal from PCMT1 and PCMT2 is sent in
synchronization with this transmit synchronizing signal. This FST signal triggers the PLL and
synchronizes all timing signals of the transmit section. The synchronizing signal must be in phase with
BCLK. The frequency should be 8 kHz
±
50 ppm to guarantee the AC characteristics. This device can
operate in the range of 6 kHz to 9 kHz sample rates, but the electrical characteristics are not
guaranteed. Setting this signal to logic HIGH or LOW drives both transmit and receive circuits to
power saving state.
7.4.5. PCMMS
The control signal for mode selection of the PCM input and output. When this signal is HIGH, the PCM
input and output are in the parallel mode. The PCM data of CH1 and CH2 is input to PCMR1 and
PCMR2, and output from PCMT1 and PCMT2, with the same timing. When this signal is at a LOW
level, the PCM input and output are in the serial mode. The PCM data of CH1 and CH2 is input to
PCMR2 and output from PCMT1 as two serial 8-bit bytes.
7.5. P
OWER
S
TATE
M
ODES
7.5.1. Power Save Mode
In the power save mode, all internal analog circuits except the internal reference are powered down.
The CODEC automatically enters the power save mode when the FST or BCLK signal is set to digital
“1” or digital “0”;
Upon power up with FST and BCLK signals present, it will take 2 to 10 milliseconds for the internal
PLL to lock. In addition to the PLL lock-in time, the analog outputs will be set to the internal signal
ground for 1 millisecond. This will avoid power up glitches at the outputs. The digital open drain
outputs will remain at high impedance during this power up delay.
Publication Release Date: May 2003
- 13 -
Revision 0.35
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相關代理商/技術參數 |
參數描述 |
|---|---|
| W682510_05 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:DUAL-CHANNEL VOICEBAND CODECS |
| W682510DK | 功能描述:KIT DEVELOPMENT FOR W682510 RoHS:否 類別:編程器，開發系統 >> 評估演示板和套件 系列:- 標準包裝:1 系列:PSoC® 主要目的:電源管理，熱管理 嵌入式:- 已用 IC / 零件:- 主要屬性:- 次要屬性:- 已供物品:板，CD，電源 |
| W682510E | 功能描述:IC VOICEBAND CODEC 5V 2CH 20DIP RoHS:否 類別:集成電路 (IC) >> 接口 - 編解碼器 系列:- 標準包裝:2,500 系列:- 類型:立體聲音頻 數據接口:串行 分辨率（位）:18 b ADC / DAC 數量:2 / 2 三角積分調變:是 S/N 比，標準 ADC / DAC (db):81.5 / 88 動態范圍，標準 ADC / DAC (db):82 / 87.5 電壓 - 電源，模擬:2.6 V ~ 3.3 V 電壓 - 電源，數字:1.7 V ~ 3.3 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:48-WFQFN 裸露焊盤 供應商設備封裝:48-TQFN-EP（7x7） 包裝:帶卷 (TR) |
| W682510EG | 功能描述:IC VOICEBAND CODEC 5V 2CH 20DIP RoHS:是 類別:集成電路 (IC) >> 接口 - 編解碼器 系列:- 標準包裝:2,500 系列:- 類型:立體聲音頻 數據接口:串行 分辨率（位）:18 b ADC / DAC 數量:2 / 2 三角積分調變:是 S/N 比，標準 ADC / DAC (db):81.5 / 88 動態范圍，標準 ADC / DAC (db):82 / 87.5 電壓 - 電源，模擬:2.6 V ~ 3.3 V 電壓 - 電源，數字:1.7 V ~ 3.3 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:48-WFQFN 裸露焊盤 供應商設備封裝:48-TQFN-EP（7x7） 包裝:帶卷 (TR) |
| W682510R | 功能描述:IC VOICEBAND CODEC 5V 2CH 20SSOP RoHS:否 類別:集成電路 (IC) >> 接口 - 編解碼器 系列:- 標準包裝:2,500 系列:- 類型:立體聲音頻 數據接口:串行 分辨率（位）:18 b ADC / DAC 數量:2 / 2 三角積分調變:是 S/N 比，標準 ADC / DAC (db):81.5 / 88 動態范圍，標準 ADC / DAC (db):82 / 87.5 電壓 - 電源，模擬:2.6 V ~ 3.3 V 電壓 - 電源，數字:1.7 V ~ 3.3 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:48-WFQFN 裸露焊盤 供應商設備封裝:48-TQFN-EP（7x7） 包裝:帶卷 (TR) |
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