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參數(shù)資料
| 型號： | W6692ACD |
| 英文描述： | ISDN LINE INTERFACE|BASIC|CMOS|QFP|100PIN|PLASTIC |
| 中文描述： | 綜合業(yè)務數(shù)字網(wǎng)線接口|基本|的CMOS | QFP封裝| 100引腳|塑料 |
| 文件頁數(shù)： | 54/101頁 |
| 文件大?。?/td> | 851K |
| 代理商： | W6692ACD |
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W6692A
- 54 -
8.1.10 D_ch Status Register D_XSTA
Read Address 24H/09H
Value after reset: 00H
7
6
5
4
3
2
1
0
XDOW
0
XBZ
DRDY
0
0
0
0
XDOW Transmit Data Overwritten
At least one byte of data has been overwritten in the D_XFIFO. This bit is set by data overwritten
condition and is cleared only by XRST command.
XBZ Transmitter Busy
This bit indicates the D_HDLC transmitter is busy. The XBZ bit is active from the transmission of
opening flag to the transmission of closing flag.
DRDY D Channel Ready
This bit indicates the status of layer 1 D channel.
0: The layer 1 D channel is not ready. No transmission is allowed.
1: The layer 1 D channel is ready. Layer 2 can transmit data to layer 1.
Note : Due to design mistake, DRDY = 1 does not mean S/T layer 1 is in F7 state. Software has to check “DRDY = 1 and C/I code =
AI8/10” in order to transmit.
8.1.11 D_ch Receive Status Register D_RSTA Read Address 28H/0AH
Value after reset: 20H
7
6
5
4
3
2
1
0
0
RDOV
CRCE
RMB
0
0
0
0
RDOV Receive Data Overflow
A "1" indicates that the D_RFIFO is overflow. The incoming data will overwrite data in the receive
FIFO. The data overflow condition will set both the status and interrupt bits. It is recommended that
software must read the RDOV bit after reading data from D_RFIFO at RMR or RME interrupt. The
software must abort the data and issue a RRST command to reset the receiver if RDOV = 1. The
frame overflow condition will not set this bit.
CRCE CRC Error
This bit indicates the result of frame CRC check:
0: CRC correct
1: CRC error
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相關代理商/技術參數(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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