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參數(shù)資料
| 型號(hào)： | ISP1181B |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Full-speed Universal Serial Bus peripheral controller |
| 中文描述： | 全速通用串行總線外設(shè)控制器 |
| 文件頁數(shù)： | 38/70頁 |
| 文件大?。?/td> | 341K |
| 代理商： | ISP1181B |
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Philips Semiconductors
ISP1181B
Full-speed USB peripheral controller
Product data
Rev. 02 — 07 December 2004
38 of 70
9397 750 13958
Koninklijke Philips Electronics N.V. 2004. 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, for example, the device status before
powering down in ‘suspend’ state. The register bit allocation is given in
Table 40
.
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 42
.
Remark:
After a bus reset, the value of the Frame Number Register is undefined.
Bit
Symbol
Reset
Access
7
6
5
4
3
2
1
0
UNLOCKL[7:0] = 37H
1
W
0
W
0
W
1
W
0
W
1
W
1
W
1
W
Table 39:
Bit
15 to 0
Lock Register: bit description
Symbol
UNLOCK[15:0]
Description
Sending data AA37H unlocks the internal registers and FIFOs
for writing, following a ‘resume’.
Table 40:
Bit
Symbol
Reset
Access
Bit
Symbol
Reset
Access
Scratch Information Register: bit allocation
15
14
reserved
0
0
R/W
R/W
7
6
13
12
11
10
9
8
SFIRH[6:0]
0
R/W
3
0
0
0
0
0
R/W
5
R/W
4
R/W
2
R/W
1
R/W
0
SFIRL[7:0]
0
0
0
0
0
0
0
0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Table 41:
Bit
15
14 to 8
7 to 0
Scratch Information Register: bit description
Symbol
Description
-
reserved; must be logic 0
SFIRH[6:0]
Scratch Information Register (high byte)
SFIRL[7:0]
Scratch Information Register (low byte)
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| ISP1181BBS | Full-speed Universal Serial Bus peripheral controller |
| ISP1181BDGG | Full-speed Universal Serial Bus peripheral controller |
| ISP1181 | Full-speed Universal Serial Bus Interface Device(全速通用串行總線接口器件) |
| ISP1181DGG | INDUCTOR 4.7NH +-.3NH 0402 SMD |
| ISP1183 | Low-power Universal Serial Bus interface device with DMA |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ISP1181BBS | 制造商:NXP Semiconductors 功能描述:IC CONTROLLER USB PERIPHERAL SMD 制造商:ST-Ericsson 功能描述:CONTROLLER USB PERIPHERAL 48HVQFN |
| ISP1181BBS,518 | 功能描述:USB 接口集成電路 USB 1.1 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 |
| ISP1181BBS,551 | 功能描述:USB 接口集成電路 USB 1.1 DEVICE CONTROLLER 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 |
| ISP1181BBS,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 |
| ISP1181BBS518 | 制造商:ST-Ericsson 功能描述:CONTROLLER USB PERIPHERAL 48HVQFN |
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