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參數(shù)資料
型號： W681512SG
廠商： WINBOND ELECTRONICS CORP
元件分類： 編解碼器
英文描述： SINGLE-CHANNEL VOICEBAND CODEC
中文描述： A/MU-LAW, PCM CODEC, PDSO20
封裝： 0.300 INCH, LEAD FREE, PLASTIC, SOP-20
文件頁數(shù)： 12/38頁
文件大?。?/td> 305K
代理商： W681512SG
W681512
- 12 -
7.4.4. Interchip Digital Link (IDL)
The IDL interface mode is selected when the BCLKR pin is connected to V
DD
for two or more frame
sync cycles. It can be used as a 2B+D timing interface in an ISDN application. The IDL interface
consists of 4 pins : IDL SYNC (FST), IDL CLK (BCLKT), IDL TX (PCMT) & IDL RX (PCMR). The FSR
pin selects channel B1 or B2 for transmit and receive. The data for channel B1 is transmitted on the
first positive edge of the IDL CLK after the IDL SYNC pulse. The IDL SYNC pulse is one IDL CLK
cycle long. The data for channel B2 is transmitted on the eleventh positive edge of the IDL CLK after
the IDL SYNC pulse. The data for channel B1 is received on the first negative edge of the IDL CLK
after the IDL SYNC pulse. The data for channel B2 is received on the eleventh negative edge of the
IDL CLK after the IDL SYNC pulse. The transmit signal pin IDL TX becomes high impedance when
not used for data transmission and also in the time slot of the unused channel. For more timing
information, see the timing section.
7.4.5. System Timing
The system can work at 256 kHz, 512 kHz, 1536 kHz, 1544 kHz, 2048 kHz, 2560 kHz & 4096 kHz
master clock rates. The system clock is supplied through the master clock input MCLK and can be
derived from the bit-clock if desired. An internal pre-scaler is used to generate a fixed 256 kHz and 8
kHz sample clock for the internal CODEC. The pre-scaler measures the master clock frequency
versus the Frame Sync frequency and sets the division ratio accordingly. If the Frame Sync is LOW
for the entire frame sync period while the MCLK and BCLK pin clock signals are still present, the
W681512 will enter the low power standby mode. Another way to power down is to set the PUI pin to
LOW. When the system needs to be powered up again, the PUI pin needs to be set to HIGH and the
Frame Sync pulse needs to be present. It will take two Frame Sync cycles before the pin PCMT will
become low impedance.
相關(guān)PDF資料
PDF描述
W681512WG SINGLE-CHANNEL VOICEBAND CODEC
W681513 5V SINGLE-CHANNEL VOICEBAND CODEC FOR USB APPLICATIONS
W681513S 5V SINGLE-CHANNEL VOICEBAND CODEC FOR USB APPLICATIONS
W682310 DUAL-CHANNEL VOICEBAND CODECS
W682510 DUAL-CHANNEL VOICEBAND CODECS
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
W681512SG TR 功能描述:IC VOICEBAND CODEC 5V 1CH 20SOP 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(shù)據(jù)接口:串行 分辨率（位）:18 b ADC / DAC 數(shù)量:2 / 2 三角積分調(diào)變:是 S/N 比，標準 ADC / DAC (db):81.5 / 88 動態(tài)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(shù)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(shè)備封裝:48-TQFN-EP（7x7） 包裝:帶卷 (TR)
W681512WG 功能描述:IC VOICEBND CODEC 5V 1CH 20TSSOP 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(shù)據(jù)接口:串行 分辨率（位）:18 b ADC / DAC 數(shù)量:2 / 2 三角積分調(diào)變:是 S/N 比，標準 ADC / DAC (db):81.5 / 88 動態(tài)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(shù)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(shè)備封裝:48-TQFN-EP（7x7） 包裝:帶卷 (TR)
W681512WG TR 功能描述:IC VOICEBND CODEC 5V 1CH 20TSSOP 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(shù)據(jù)接口:串行 分辨率（位）:18 b ADC / DAC 數(shù)量:2 / 2 三角積分調(diào)變:是 S/N 比，標準 ADC / DAC (db):81.5 / 88 動態(tài)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(shù)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(shè)備封裝:48-TQFN-EP（7x7） 包裝:帶卷 (TR)
W681512WG-TR 制造商:Nuvoton Technology Corp 功能描述:IC VOICEBND CODEC 5V 1CH 20TSSOP
W681513 制造商:WINBOND 制造商全稱:Winbond 功能描述:5V SINGLE-CHANNEL VOICEBAND CODEC FOR USB APPLICATIONS
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