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| 型号： | 935263912557 |
| 厂商： | NXP SEMICONDUCTORS |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 1 CHANNEL(S), 400M bps, SERIAL COMM CONTROLLER, PQFP100 |
| 封装： | 14 X 14 MM, 1 MM HEIGHT, PLASTIC, SOT-386-1, TQFP-100 |
| 文件页数： | 9/56页 |
| 文件大小： | 277K |
| 代理商： | 935263912557 |
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Philips Semiconductors
Preliminary specification
PDI1394L21
1394 full duplex AV link layer controller
2000 Jun 06
17
Table 3.
Block Transmit Field
Field Name
Description
spd, tLabel, rt, tCode, destinationID,
destinationOffsetHigh, destinationOffsetLow, rCode
See Table 2.
dataLength
The number of bytes of data to be transmitted in this packet
extendedTcode
The tCode indicates a lock transaction, this specifies the actual lock action to be
performed with the data in this packet.
block data
The data to be sent. If dataLength=0, no data should be written into the FIFO for
this field. Regardless of the destination or source alignment of the data, the first
byte of the block must appear in the high order byte of the first quadlet.
padding
If the dataLength mod 4 is not zero, then zero-value bytes are added onto the end
of the packet to guarantee that a whole number of quadlets is sent.
12.5.1.4
Unformatted Transmit
The unformatted transmit format is shown in Figure 13. The first quadlet contains packet control information. The remaining quadlets contain
data that is transmitted without any formatting on the bus. No CRC is appended on the packet, nor is any data in the first quadlet sent. This is
used to send PHY configuration and Link-on packets. Note that the bit-inverted check quadlet must be included in the FIFO since the AV Link
core will not generate it.
spd
tLabel
1110
0000
29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
unformatted packet data
SV00256
31 30
Figure 13. Unformatted Transmit Format
12.5.2
Asynchronous Receive Packet Formats
This section describes the asynchronous receive packet formats. Four basic asynchronous data packet formats and one confirmation format exist:
Table 4. Asynchronous Data Packet Formats
ITEM
FORMAT
USAGE
TRANSACTION CODE
1
No packet data
Quadlet read requests
4
1
No-packet data
Quadlet/block write responses
2
Quadlet packet
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
Bhex
4
Self-ID / PHY packet
Concatenated self-ID / PHY packets
Ehex
5
Confirmation packet
Confirmation of packet transmission
8
Each packet format uses several fields. More information about most of these fields can be found in the 1394 specification.
相关PDF资料 |
PDF描述 |
|---|---|
| 935263912551 | 1 CHANNEL(S), 400M bps, SERIAL COMM CONTROLLER, PQFP100 |
| 08-1101-00 | DREHSCHALTER 1POL 12STELLUNGEN |
| 08-1260-00 | ************GESTRICHEN************ |
| 08-1341-00 | DREHSCHALTER 3POL 4STELLUNGEN |
| 08-2101-00 | DREHSCHALTER 2POL 12STELLUNGEN |
相关代理商/技术参数 |
参数描述 |
|---|---|
| 935264217557 | 制造商:NXP Semiconductors 功能描述:SUB ONLY IC |
| 935267356112 | 制造商:NXP Semiconductors 功能描述:IC TEA1507PN |
| 935268081112 | 制造商:NXP Semiconductors 功能描述:SUB ONLY IC |
| 935268721125 | 制造商:NXP Semiconductors 功能描述:Buffer/Line Driver 1-CH Non-Inverting 3-ST CMOS 5-Pin TSSOP T/R |
| 935269304128 | 制造商:ST-Ericsson 功能描述:IC AUDIO CODEC W/TCH SCRN 48LQFP |
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