參數(shù)資料
型號(hào): ISP1582BS,557
廠商: NXP SEMICONDUCTORS
元件分類: 總線控制器
英文描述: UNIVERSAL SERIAL BUS CONTROLLER, PQCC56
封裝: 8 X 8 MM, 0.85 MM PITCH, PLASTIC, MO-220, SOT-684-1, HVQFN-56
文件頁數(shù): 43/69頁
文件大?。?/td> 365K
代理商: ISP1582BS,557
ISP1582_7
NXP B.V. 2008. All rights reserved.
Product data sheet
Rev. 07 — 22 September 2008
47 of 68
NXP Semiconductors
ISP1582
Hi-Speed USB peripheral controller
8.5.4 Scratch register (address: 78h)
This 16-bit register can be used by the rmware to save and restore information. For
example, the device status before it enters the suspend state. The bit allocation is given in
8.5.5 Unlock Device register (address: 7Ch)
To protect registers from getting corrupted when the ISP1582 goes into suspend, the write
operation is disabled if bit PWRON in the Mode register is set to logic 0. In this case, when
the chip resumes, the Unlock Device command must rst be issued to this register before
attempting to write to the rest of the registers. This is done by writing unlock code (AA37h)
to this register. The bit allocation of the Unlock Device register is given in Table 69.
Table 66.
Frame Number register: bit description
Bit
Symbol
Description
15 to 14
-
reserved
13 to 11
MICROSOF[2:0]
microframe number
10 to 0
SOFR[10:0]
frame number
Table 67.
Scratch register: bit allocation
Bit
15
14
13
12
11
10
9
8
Symbol
SFIRH[7:0]
Reset
00000000
Bus reset
00000000
Access
R/W
Bit
7
6
5
4
3
2
1
0
Symbol
SFIRL[7:0]
Reset
00000000
Bus reset
00000000
Access
R/W
Table 68.
Scratch register: bit description
Bit
Symbol
Description
15 to 8
SFIRH[7:0]
Scratch rmware information register (higher byte)
7 to 0
SFIRL[7:0]
Scratch rmware information register (lower byte)
Table 69.
Unlock Device register: bit allocation
Bit
15
14
13
12
11
10
9
8
Symbol
ULCODE[15:8] = AAh
Reset
not applicable
Bus reset
not applicable
Access
WWWWWWWW
Bit
7
6
5
4
3
2
1
0
Symbol
ULCODE[7:0] = 37h
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ISP1582BS-T 功能描述:USB 接口集成電路 USB PERIPH CNTRLR 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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ISP1583 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Hi-Speed Universal Serial Bus peripheral controller