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參數資料
| 型號： | TSB12LV01APZ |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | High-Speed Serial-Bus Link-Layer Controller |
| 中文描述： | 高速串行總線鏈路層控制器 |
| 文件頁數： | 44/71頁 |
| 文件大小： | 267K |
| 代理商： | TSB12LV01APZ |
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4–6
4.2
The format of the isochronous-transmit packet is shown in Figure 4–5. The data for each channel must be
presented to the isochronous-transmit FIFO interface in this format in the order that packets are to be sent.
The transmitter requests the bus to send any packets available at the isochronous-transmit interface
immediately following reception or transmission of the cycle-start message.
Isochronous Transmit (Host Bus to TSB12LV01A)
0
1 2
3
4
5 6
7
8
9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
chanNum
spd
sy
isochronous data
dataLength
TAG
Figure 4–5. Isochronous-Transmit Format
Table 4–5. Isochronous-Transmit Functions
FIELD NAME
DESCRIPTION
dataLength
This field indicates the number of data bytes in this packet
TAG
This field indicates the format of data carried by the isochronous packet (00 = formatted, 01 =
IEC 61883 CIP headers, 10 and 11 are reserved).
chanNum
This field carries the channel number with which this data is associated.
spd
This field contains the speed at which to send this packet.
sy
This field carries the transaction layer-specific synchronization bits.
isochronous data
This field contains the data to be sent with this packet. The first byte of data must appear in byte
0 of the first quadlet of this field. If the last quadlet does not contain four bytes of data, the unused
bytes should be padded with zeros.
4.3
The format of the isochronous-receive data is shown in Figure 4–6. The data length, which is found in the
header of the packet, determines the number of bytes in an isochronous packet.
Isochronous Receive (TSB12LV01A to Host Bus)
0
1 2
3
4
5 6
7
8
9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
chanNum
tCode
sy
isochronous data
dataLength
TAG
P
spd
WriteCount
errCode
1 0 1 0
Figure 4–6. Isochronous-Receive Format
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相關代理商/技術參數 |
參數描述 |
|---|---|
| TSB12LV01B | 制造商:TI 制造商全稱:Texas Instruments 功能描述:IEEE 1394-1995 HIGH SPEED SERIAL BUS LINK LAYER CONTROLLER |
| TSB12LV01B-EP | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Military Enhanced Plastic High Performance 1394 3.3V Link Layer for Telecom. Embedded & Indust. App. |
| TSB12LV01BIPZT | 功能描述:1394 接口集成電路 High Perf 1394 3.3V Link Layer RoHS:否 制造商:Texas Instruments 類型:Link Layer Controller 工作電源電壓: 封裝 / 箱體:LQFP 封裝:Tray |
| TSB12LV01BIPZTEP | 功能描述:1394 接口集成電路 Mil Enh Hi Perf 1394 3.3V Link Layer RoHS:否 制造商:Texas Instruments 類型:Link Layer Controller 工作電源電壓: 封裝 / 箱體:LQFP 封裝:Tray |
| TSB12LV01BPZ | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:BUS CONTROLLER |
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