ISP1562 データシートの表示（PDF） - NXP Semiconductors.

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ISP1562

Hi-Speed USB PCI host controller

NXP Semiconductors. 

NXP Semiconductors

ISP1562

HS USB PCI host controller

8. PCI

ISP1562

16

VI(VREG3V3)

PCI 3.3 V

100 nF

11, 25,

40, 55, 71

VCC(I/O)

PCI 3.3 V

100 nF

VI(VAUX3V3)

3

PCI Vaux(3V3)(1)

100 nF

VCC(I/O)_AUX

77, 98, 100

VDDA_AUX

86, 93

PCI Vaux(3V3)(1)

100 nF

PCI Vaux(3V3)(1)

100 nF

AUX1V8

2

AUX1V8

73

REG1V8

18

4.7 µF(2((3)

20 µF(2)

100 nF

100 nF

100 nF

43, 58

1, 6, 17, 19, 32,

46, 49, 61, 64,

72, 76, 80, 82,

84, 89, 91, 94, 95

REG1V8

100 nF

GND

004aaa665

(1) If Vaux(3V3) is not present on PCI, the pin must be connected to PCI 3.3 V.

(2) This electrolytic or tantalum capacitor must be of LOW ESR type (0.2 Ω to 2 Ω).

(3) In ISP1562_1 data sheet, the electrolytic or tantalum capacitor value was mentioned as 20 µF. This

value was reduced to 4.7 µF in ISP1562_2. In older designs, if it is not possible to change the

capacitor value, it is OK to retain 20 µF, and it does not cause any problem. The value was

changed to reduce the capacitor size.

Fig 4. Power supply connection

8.1 PCI interface

The PCI interface has three functions. The first function (#0) and the second function (#1)

are for OHCI host controllers, and the third function (#2) is for the EHCI host controller. All

functions support both master and target accesses, and share the same PCI interrupt

ISP1562_3

Product data sheet

Rev. 03 — 14 November 2008

© NXP B.V. 2008. All rights reserved.

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