- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄376430 > UPD72850A (NEC Corp.) IEEE1394 400Mbps PHY PDF資料下載
參數(shù)資料
| 型號： | UPD72850A |
| 廠商： | NEC Corp. |
| 英文描述： | IEEE1394 400Mbps PHY |
| 中文描述： | IEEE1394連接400Mbps的物理層 |
| 文件頁數(shù)： | 12/48頁 |
| 文件大小： | 290K |
| 代理商： | UPD72850A |
第1頁第2頁第3頁第4頁第5頁第6頁第7頁第8頁第9頁第10頁第11頁當前第12頁第13頁第14頁第15頁第16頁第17頁第18頁第19頁第20頁第21頁第22頁第23頁第24頁第25頁第26頁第27頁第28頁第29頁第30頁第31頁第32頁第33頁第34頁第35頁第36頁第37頁第38頁第39頁第40頁第41頁第42頁第43頁第44頁第45頁第46頁第47頁第48頁
Data Sheet S14452EJ1V0DS00
12
μ
PD72850A
Table
2-1. Bit Field Description (2/2)
Field
Size
3
R/W
R/W
Reset value
See
Description
Description
Pwr_class
Power class.
Please refer to IEEE1394 -1995 [4.3.4.1].
This bit will be referred to Pwr field of Self-ID Packet#0.
The reset data will be determined by PC0-PC2 Pin status.
Resume interrupt enable. When set to 1, if any one port does resume, the
Port_event bit becomes 1.
Initiate short (arbitrated) bus reset.
Setting to 1 acquires the bus and begins short bus reset.
Short bus reset signal output : 1.3
μ
sec
Returns to 0 at the beginning of the bus reset.
Loop detection output.
1: Detection
Writing 1 to this bit clears it to 0.
Writing 0 has no effect.
Power cable disconnect detect.
It becomes 1 when there is a change from 1 to 0 in the CPS bit.
Writing 1 to this bit clears it to 0.
Writing 0 has no effect.
Arbitration state machine time-out.
Writing 1 to this bit clears it to 0.
Writing 0 has no effect.
Set to 1 when the Int_Enable bit in the register map of each port is 1 and
there is a change in the ports connected, Bias, Disabled and Fault bits.
Set to 1 when the Resume_int bit is 1 and any one port does resume.
Writing 1 to this bit clears it to 0.
Writing 0 has no effect.
Enables arbitration acceleration.
Ack-acceleration and Fly-by arbitration are enabled.
1: Enabled
0: Disabled
If this bit changes while the bus request is pending, the operation is not
guaranteed.
Enable multi-speed packet concatenation.
Setting this bit to 1 follows multi-speed transmission.
When this bit is set to 0,the packet will be transmitted with the same speed
as the first packet.
Select page address between 1000 to 1111.
000: Port Status Page
001: Vendor Definition Page
Others: Unused
Port Selection.
Selecting 000 (Port Status Page) with the page selection selects the port.
0000: Port 0
0001: Port 1
0010: Port 2
Others: Unused
Reserved. Read as 0.
Resume_int
1
R/W
0
ISBR
1
R/W
0
Loop
1
R/W
0
Pwr_fail
1
R/W
0
Timeout
1
R/W
0
Port_event
1
R/W
0
Enab_accel
1
R/W
0
Enab_multi
1
R/W
0
Page_select
3
R/W
000
Port_select
4
R/W
0000
Reserved
-
R
000…
相關PDF資料 |
PDF描述 |
|---|---|
| UPD72850AGK-9EU | Circular Connector; No. of Contacts:56; Series:MS27467; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:25; Circular Contact Gender:Pin; Circular Shell Style:Straight Plug; Insert Arrangement:25-4 RoHS Compliant: No |
| uPD750066CU | 4-BIT SINGLE-CHIP MICROCONTROLLERS |
| uPD750068GT | 4-BIT SINGLE-CHIP MICROCONTROLLERS |
| uPD750068GTA | 4-BIT SINGLE-CHIP MICROCONTROLLERS |
| uPD750066GTA | CONNECTOR ACCESSORY |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| UPD74HC04C | 制造商:Panasonic Industrial Company 功能描述:IC |
| UPD750068GT-396 | 制造商:Renesas Electronics Corporation 功能描述: |
| UPD7507C189 | 制造商:Panasonic Industrial Company 功能描述:IC |
| UPD7508CU265 | 制造商:Panasonic Industrial Company 功能描述:IC |
| UPD75208 | 制造商:Panasonic Industrial Company 功能描述:IC |
發(fā)布緊急采購，3分鐘左右您將得到回復。