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參數(shù)資料
| 型號： | W6692ACD |
| 廠商： | WINBOND ELECTRONICS CORP |
| 元件分類： | 數(shù)字傳輸電路 |
| 英文描述： | DATACOM, ISDN CONTROLLER, PQFP100 |
| 封裝： | LQFP-100 |
| 文件頁數(shù)： | 26/98頁 |
| 文件大?。?/td> | 584K |
| 代理商： | W6692ACD |
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Data Sheet
W6692A PCI ISDN S/T-Controller
Publication Release Date:
Mar,2000
Revision 1.0
-32 -
-
Digital loop via DLP bit in D_MODE register: In the layer 2 block, the transmitted 2B+D data are internally
looped (from HDLC transmitter to HDLC receiver), and in the PCM ports, the transmitted B channels are
internally looped (from PCM inputs to PCM outputs). The clock timings are generated internally and are
independent of the S bus timing. This loop function is used for test of PCM and higher layer functions, excluding
layer 1. After hardware reset, W6692A will power down if S bus is not connected or if there is no signal on the S
bus. In this case, the C/I command ECK must be issued to power up the chip.
-
Analog loop via the C/I command EAL: The analog S interface transmitter is internally connected to the S
interface receiver. When the receiver has synchronized itself to the internal INFO 3 signal, the message "Test
Indication" or "Awake Test Indication" is delivered to the CIR register. No signal is transmitted over the S
interface.
In this mode, the S interface awake detector is enabled. Therefore if a level (INFO 2/ INFO 4) is detected on the S
interface, this will be reported by the "Awake Test Indication (ATI)" indication.
-
Remote loopback via RLP bit in D_MODE register: The digital 2B data received from the S interface receiver is
loopbacked to the S interface transmitter. The D channel is not looped. When RLP is enabled, layer 1 D channel is
connected to HDLC port and DLP cannot be enabled.
-
Transmission of special test signals via layer 1 command:
* Send Single Pulses (SSP): To send isolated single pulses of alternating polarity, with pulse width of one bit
time, 250 us apart, with a repetition frequency of 2 kHz.
* Send Continuous Pulses (SCP): To send continuous pulses of alternating polarity, with pulse width of bit
time. The repetition frequency is 96 kHz.
FIG.7.7 SSP AND SCP TEST SIGNALS
250 us
(a) Single pulses
(b) Continuous pulses
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| W6692ACF | DATACOM, ISDN CONTROLLER, PQFP100 |
| W6694ACD | DATACOM, ISDN CONTROLLER, PQFP48 |
| W671320P | TELECOM-SLIC, PQCC28 |
| W671361P | TELECOM-SLIC, PQCC28 |
| W671361Y | TELECOM-SLIC, QCC32 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| W6692ACF | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:ISDN LINE INTERFACE|BASIC|CMOS|QFP|100PIN|PLASTIC |
| W6694 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:USB Bus ISDN S/T-Controller |
| W6694A | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:TE Mode S/T Controller with USB 1.1 Interface |
| W6694CD | 制造商:WINBOND 制造商全稱:Winbond 功能描述:USB Bus ISDN S/T-Controller |
| W66ARX-18 | 制造商:Magnecraft 功能描述: |
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