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參數(shù)資料
| 型號(hào)： | TSB12LV32-EP |
| 英文描述： | IC APEX 20KE FPGA 100K 324-FBGA |
| 中文描述： | 軍事增強(qiáng)塑料電機(jī)及電子學(xué)工程師聯(lián)合會(huì)1394-1995和P1394a兼容通用鏈路層控制器 |
| 文件頁(yè)數(shù)： | 36/106頁(yè) |
| 文件大小： | 605K |
| 代理商： | TSB12LV32-EP |
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2
–
20
2.2.17
Trailer Register at 48h
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
29 30 31
L
28
NUMBER OF QUADLETS
ACKCODE
SPD
L
The power-up reset value of this register =
0000_0000
’
h
.
BIT
NUMBER
BIT NAME
FUNCTION
NAME
DIR
DESCRIPTION
0
–
1
RESERVED
RESERVED
2
–
15
numofQuadlets
Number of
Quadlets
R/W
Total number of quadlets in the current packet (data payload
and header quadlets only)
16
–
18
19
–
23
RESERVED
AckCode
RESERVED
Acknowledge
Code
R/W
This 5-bit field holds the acknowledge code sent by the
receiver for the current packet (see Note following the table):
Ack Code
00000
Name
Reserved
00001
Ack_complete
00010
Ack_pending
00011
Reserved
00100
Ack_busy_X
00101
Ack_busy_A
00110
Ack_busy_B
00111
–
01100
Reserved
01101
Ack_data_error
01110
Ack_type_error
01111
Reserved
10000
No ack received
These codes are add-
h li k l
ed by the link layer
and are not part of the
–
IEEE 1394 1995
specification.
10001
Ack too long
10010
Ack too short
10011
–
11111
Reserved
24
–
25
RESERVED
RESERVED
26
–
27
SPD
Speed Code
R/W
The spd field indicates the speed at which the current packet
was sent.
00 => 100 Mbit/s, 10 = > 400 Mbits/s,
01 => 200 Mbit/s, 11 is undefined.
28
–
29
RESERVED
RESERVED
NOTE:
The acknowledge code specified by the IEEE 1394-1995 specification is a 4-bit
field. The AckCode field in this register is a 5-bit field. The TSB12LV32 logic core
is able to provide (specifiy) three additional ack codes, which are not part of the
original specification. The ack codes are 10000, 10001, and 10010.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| TSB12LV01B-EP | FPGA (Field-Programmable Gate Array) |
| TSB12LV01BPZ | FPGA (Field-Programmable Gate Array) |
| TSB12LV26-EP | 672-pin FineLine BGA |
| TSB12LV22PZP | OHCI-Lynx PCI-BASED IEEE 1394 HOST CONTROLLER |
| TSB12LV26PZ | OHCI-Lynx PCI-BASED IEEE 1394 HOST CONTROLLER |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TSB12LV32I | 制造商:TI 制造商全稱:Texas Instruments 功能描述:IEEE 1394-1995 and P1394a Compliant General-Purpose Link-Layer Controller |
| TSB12LV32IPZ | 功能描述:1394 接口集成電路 General-Purpose Link Layer Cntrlr 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 |
| TSB12LV32IPZEP | 制造商:Texas Instruments 功能描述:1394 I-TEMP 1394 GENERAL-PURPOSE LINK LAYER CONTROLLER (GP2L - Rail/Tube |
| TSB12LV32IPZG4 | 功能描述:1394 接口集成電路 General Purpose Link Layer Cntrlr 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 |
| TSB12LV32PZ | 功能描述:1394 接口集成電路 General-Purpose Link Layer Cntrlr 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 |
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