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參數資料
型號: W6694
廠商: WINBOND ELECTRONICS CORP
英文描述: PCI Bus ISDN S/T Interface Controller(PCI總線的ISDN S/T接口控制器)
中文描述: PCI總線的綜合業務數字網的S / T接口控制器(綜合業務數字網的PCI總線的S / T的接口控制器)
文件頁數: 56/98頁
文件大小: 1338K
代理商: W6694
Data Sheet
W6692A PCI ISDN S/T-Controller
Publication Release Date:
Mar,2000
Revision 1.0
-56 -
8.1.17 D_ch TEI2 Register D_TEI2
Value after reset: 00H
7
6
TA27
TA26
TA25
TA27 - TA20
This register contains the second choice of the second byte address of received frame. For LAPD frame, TA27 - TA21 is the
TEI value, TA20 is EA = 1.
Read/Write
Address 40H/10H
5
4
3
2
1
0
TA24
TA23
TA22
TA21
TA20
8.1.18 D_ch Receive Frame Byte Count High
Value after reset: 40H
7
6
5
VN1
VN0
LOV
VN1-0 Chip Version Number
This is the chip version number. It is read as 01B.
LOV Length Overflow
A "1" in this bit indicates
8192 bytes are received and the frame is not yet complete. This bit is valid only after an D_RME
interrupt and remains valid until the frame is acknowledge via the RACK command.
RBC12-8 Receive Byte Count
Four most significant bits of the total frame length. These bits are valid only after an D_RME interrupt and remain valid until the
frame is acknowledge via the RACK command.
D_RBCH
Read Address 44H/11H
4
3
2
1
0
RBC12 RBC11 RBC10
RBC9
RBC8
8.1.19 D_ch Receive Frame Byte Count Low
Value after reset: 00H
7
6
5
RBC7
RBC6
RBC5
RBC7-0 Receive Byte Count
Eight least significant bits of the total frame length. Bits RBC5-0 also indicate the length of the data currently available in
D_RFIFO. These bits are valid only after an D_RME interrupt and remain valid until the frame is acknowledged via the RACK
command.
D_RBCL
Read
Address 48H/12H
4
3
2
1
0
RBC4
RBC3
RBC2
RBC1
RBC0
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