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參數(shù)資料
| 型號(hào)： | PDI1394L21 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Full Duplex AV Link Layer Ccontroller(全雙工AV鏈接層控制器) |
| 中文描述： | 全雙工鏈路層Ccontroller影音（全雙工視聽鏈接層控制器） |
| 文件頁數(shù)： | 13/54頁 |
| 文件大?。?/td> | 242K |
| 代理商： | PDI1394L21 |
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Philips Semiconductors
Preliminary specification
PDI1394L21
1394 full duplex AV link layer controller
2000 Jun 06
13
12.5
The data formats for transmission and reception of data are shown below. The transmit format describes the expected organization for data
presented to the link at the asynchronous transmit, physical response, or isochronous transmit FIFO interfaces.
Link Packet Data Formats
12.5.1
These sections describe the formats in which packets need to be delivered to the queues (FIFOs) for transmission. There are four basic formats
as follows:
Asynchronous Transmit Packet Formats
ITEM
FORMAT
USAGE
TRANSACTION CODE
(tCode)
4
1
No packet data
No-packet data
Quadlet read requests
Quadlet/block write responses
2
Quadlet write requests
0
2
Quadlet packet
Quadlet read responses
6
Block read requests
5
Block write requests
1
3
Block Packet
Block read responses
7
Lock requests
9
Lock responses
B
hex
E
hex
4
Unformatted transmit
Concatenated self-ID / PHY packets
Each packet format uses several fields (see names and descriptions below). More information about these fields (not the format) can be found
in the 1394 specification. Grey fields are reserved and should be set to zero values.
12.5.1.1
The no-data transmit formats are shown in Figures 6 and 7. The first quadlet contains packet control information. The second and third quadlets
contain 16-bit destination ID and either the 48-bit, quadlet aligned destination offset (for requests) or the response code (for responses).
No-data Transmit
destinationID
spd
tLabel
rt
tCode
0000
29 28 272625 24 23 22 212019 18 1716 15 1413 12 11 10 9 8 7 6 5 4 3 2 1 0
destinationOffsetHigh
SV00250
destinationOffsetLow
0
31 30
Figure 6. Quadlet Read Request Transmit Format
destinationID
spd
tLabel
rt
tCode
0000
SV00249
29 28 272625 24 23 22 212019 18 1716 15 1413 12 11 10 9 8 7 6 5 4 3 2 1 0
rCode
3130
0
Figure 7. Quadlet/Block Write Response Packet Transmit Format
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| PDI1394L41 | Content Protection AV Link Layer(內(nèi)容可保護(hù)的AV鏈接層控制器) |
| PDI1394P21 | 3-port Physical Layer Interface(三端口物理層接口) |
| PDI1394P22 | 3-port Physical Layer Interface(三端口物理層接口) |
| PDI1394P24 | 2-port 400 Mbps physical layer interface(2端口 400 Mbps物理層接口) |
| PDI40C1D00 | |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| PDI1394L21BE | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:1394 full duplex AV link layer controller |
| PDI1394L21BP | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:1394 full duplex AV link layer controller |
| PDI1394L40 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:1394 enhanced AV link layer controller |
| PDI1394L40BE | 制造商:NXP Semiconductors 功能描述:1 CHANNEL(S), 400M BPS, SERIAL COMM CONTROLLER, PQFP144 |
| PDI1394L40BE,518 | 功能描述:視頻 IC 1394 A/V LINK LAYER RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel |
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