參數(shù)資料
型號(hào)： PDI1394L11
廠商： NXP Semiconductors N.V.
英文描述： 1394 AV Link Layer Controller(AV（音頻/視頻）鏈接層控制器)
中文描述： 1394影音鏈路層控制器（視聽（音頻/視頻）鏈接層控制器）
文件頁(yè)數(shù)： 12/46頁(yè)
文件大?。?/td> 294K
代理商： PDI1394L11
Philips Semiconductors
Product specification
PDI1394L11
1394 AV link layer controller
1997 Oct 21
12
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)
1
No packet data
No-packet data
Quadlet read
requests
4
Quadlet/block write
responses
2
Qaudlet 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
4
Unformatted
transmit
Concatenated self-ID
/ PHY packets
E
hex
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 4 and 5. 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 4. Quadlet Read Request Transmit Format
相關(guān)PDF資料
PDF描述
PDI1394L21 Full Duplex AV Link Layer Ccontroller(全雙工AV鏈接層控制器)
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)
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PDI1394L11BA 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:1394 AV link layer controller
PDI1394L11BA-S 制造商:未知廠家 制造商全稱:未知廠家 功能描述:IEEE 1394 (Firewire) Bus Interface/Controller
PDI1394L21 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:1394 full duplex AV link layer controller
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
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