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參數(shù)資料
| 型號(hào)： | ISP1181 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Full-speed Universal Serial Bus Interface Device(全速通用串行總線接口器件) |
| 中文描述： | 全速通用串行總線接口設(shè)備（全速通用串行總線接口器件） |
| 文件頁(yè)數(shù)： | 38/69頁(yè) |
| 文件大?。?/td> | 1655K |
| 代理商： | ISP1181 |
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Philips Semiconductors
ISP1181
Full-speed USB interface
Objective specification
Rev. 01 — 13 March 2000
38 of 69
9397 750 06896
Philips Electronics N.V. 2000. All rights reserved.
12.3.3
Write/Read Scratch Register
This command accesses the 16-bit Scratch Register, which can be used by the
firmware to save and restore information, e.g. the device status before powering
down in ‘suspend’ state. The register bit allocation is given in
Table 42
.
Code (Hex): B2/B3 —
write/read Scratch Register
Transaction —
write/read 2 bytes
12.3.4
Read Frame Number
This command returns the frame number of the last successfully received SOF. It is
followed by reading one or two bytes from the Frame Number Register, containing the
frame number (lower byte first). The Frame Number Register is shown in
Table 44
.
Remark:
After a bus reset, the value of the Frame Number Register is undefined.
Code (Hex): B4 —
read frame number
Transaction —
read 1 or 2 bytes
[1]
Reset value undefined after a bus reset.
Table 42: Scratch Information Register: bit allocation
Bit
15
Symbol
Reset
0
Access
R/W
Bit
7
Symbol
Reset
0
Access
R/W
14
13
12
11
10
9
8
SFIRH[7:0]
0
0
0
0
0
0
0
R/W
6
R/W
5
R/W
4
R/W
3
R/W
2
R/W
1
R/W
0
SFIRL[7:0]
0
0
0
0
0
0
0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Table 43: Scratch Information Register: bit description
Bit
Symbol
Description
15 to 8
SFIRH[7:0]
Scratch Information Register (high byte)
7 to 0
SFIRL[7:0]
Scratch Information Register (low byte)
Table 44: Frame Number Register: bit allocation
Bit
15
Symbol
reserved
Reset
[1]
0
Access
R
Bit
7
Symbol
Reset
[1]
0
Access
R
14
13
12
11
10
9
8
reserved
0
R
6
reserved
0
R
5
reserved
0
R
4
reserved
0
R
3
SOFRH[2:0]
0
R
1
0
R
2
0
R
0
SOFRL[7:0]
0
R
0
R
0
R
0
R
0
R
0
R
0
R
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| ISP1181DGG | INDUCTOR 4.7NH +-.3NH 0402 SMD |
| ISP1183 | Low-power Universal Serial Bus interface device with DMA |
| ISP1183BS | Low-power Universal Serial Bus interface device with DMA |
| ISP1301 | Universal Serial Bus On-The-Go transceiver |
| ISP1301BS | Universal Serial Bus On-The-Go transceiver |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ISP1181A | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Full-speed Universal Serial Bus peripheral controller |
| ISP1181ABS | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Full-speed Universal Serial Bus peripheral controller |
| ISP1181ABS,518 | 功能描述:USB 接口集成電路 USB 1.1 ADV DEVICE RoHS:否 制造商:Cypress Semiconductor 產(chǎn)品:USB 2.0 數(shù)據(jù)速率: 接口類型:SPI 工作電源電壓:3.15 V to 3.45 V 工作電源電流: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WLCSP-20 |
| ISP1181ABS,551 | 功能描述:USB 接口集成電路 USB 1.1 ADVANCED DEVICE RoHS:否 制造商:Cypress Semiconductor 產(chǎn)品:USB 2.0 數(shù)據(jù)速率: 接口類型:SPI 工作電源電壓:3.15 V to 3.45 V 工作電源電流: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WLCSP-20 |
| ISP1181ABS,557 | 功能描述:USB 接口集成電路 DO NOT USE ORDER -S OR -T PART RoHS:否 制造商:Cypress Semiconductor 產(chǎn)品:USB 2.0 數(shù)據(jù)速率: 接口類型:SPI 工作電源電壓:3.15 V to 3.45 V 工作電源電流: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WLCSP-20 |
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