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參數(shù)資料
型號: W6691
廠商: WINBOND ELECTRONICS CORP
英文描述: ISDN S/T Interface Transceiver
中文描述: 綜合業(yè)務(wù)數(shù)字網(wǎng)的S / T接口收發(fā)器
文件頁數(shù): 64/106頁
文件大小: 428K
代理商: W6691
Preliminary W6691
Publication Release Date: Sep 2001
64 Revision 1.1
XDUN Transmit Data Underrun
This interrupt indicates the D_XFIFO has run out of data. In this case, the W6691 will automatically reset the
transmitter and send the inter frame time fill pattern (all 1's) on D channel. The microprocessor must wait until
transmit FIFO ready (via XFR interrupt), re-write data, and issue XMS command to re-transmit the data.
XCOL Transmit Collision
This bit indicates a collision on the S-bus has been detected. W6691 will automatically reset the transmitter
and software must wait until transmit FIFO ready (via XFR interrupt), then, re-write data, and issue XMS
command to re-transmit the data.
TIN2 Timer 2 Expiration
This bit is set when Timer 2 counts down to zero.
GCI GCI Interrupt
This bit is set when at least one bit is set in GCI_EXIR register.
ICC Indication Channel Change
A change in the layer 1 indication code is detected. The actual value can be read from CIR registers.
T1EXP Timer 1 Expiration
Expiration occurs in the Timer 1.
SCC S Channel Change
A change in multi-frame S channel is detected. The actual value can be read from SQR registers.
8.7.8 D_ch Extended Interrupt Mask Register
D_EXIM
Read/Write
Address 07
H
Value after reset: FFH
7
6
5
4
3
2
1
0
RDOV
XDUN
XCOL
TIN2
GCI
ICC
T1EXP
SCC
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