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參數(shù)資料
| 型號： | CD1283 |
| 廠商： | Intel Corp. |
| 英文描述： | IEEE 1284-Compatible Parallel Interface |
| 中文描述： | 符合IEEE 1284兼容并行接口 |
| 文件頁數(shù)： | 69/94頁 |
| 文件大?。?/td> | 1237K |
| 代理商： | CD1283 |
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IEEE 1284-Compatible Parallel Interface
—
CD1283
Datasheet
69
7.4.5
Negotiation Status Register
The results of negotiation attempts are stored in this register.
NSR
Negotiation Status
R/W
29
00
7
6
5
4
3
2
1
0
NegOK
NegFl
HostTO
Invalid
4-bit negotiation result code
Bit
Description
7
NegOK:
The state of this bit indicates that the negotiation was successful.
6
Negotiation Failed:
The state of this bit indicates that the negotiation failed. The result code indicates which
mode attempted.
5
Host Timeout:
This bit indicates that a host time-out occurred on the parallel channel. The accompanying 4-
bit result code indicates that the link has returned to Compatibility mode (x02). See description of HTVR on
page
59
.
4
Invalid:
The state of this bit indicates that the state machine is in an invalid state due to the last negotiation
sequence and has reentered Compatibility mode
3:0
The lower 4 bits contain a result code, which shows the current mode.
Bits
Description
3
2
1
0
0
0
0
0
Compatible mode
—
no negotiation.
0
0
0
1
Failed negotiation.
0
0
1
0
Compatible mode
—
termination of a 1284 mode.
0
0
1
1
Reserved.
0
1
0
0
0
1
0
1
0
1
1
0
EPP mode.
0
1
1
1
Reserved.
1
0
0
0
Reverse Nibble mode
1
0
0
1
Reverse Nibble mode
—
ID request.
1
0
1
0
Reverse Byte mode.
1
0
1
1
Reverse Byte mode
—
ID request
1
1
0
0
ECP mode without RLE
1
1
0
1
ECP mode without RLE
—
ID request
1
1
1
0
ECP mode with RLE
1
1
1
1
ECP mode with RLE
—
ID request
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| CD1284 | 制造商:INTEL 制造商全稱:Intel Corporation 功能描述:IEEE 1284-Compatible Parallel Interface Controller with Two High-Speed Asynchronous Serial Ports |
| CD-12AFFM-QL8D01 | 功能描述:MIDDLE 制造商:amphenol ltw 系列:* 零件狀態(tài):在售 標準包裝:10 |
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