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

Table 2. Pin description …continued

Symbol[1] Pin Type Description

GNDD

64 -

digital ground

AD[5]

65 I/O bit 5 of multiplexed PCI address and data

PCI pad; 3.3 V signaling

AD[4]

66 I/O bit 4 of multiplexed PCI address and data

PCI pad; 3.3 V signaling

AD[3]

67 I/O bit 3 of multiplexed PCI address and data

PCI pad; 3.3 V signaling

AD[2]

68 I/O bit 2 of multiplexed PCI address and data

PCI pad; 3.3 V signaling

AD[1]

69 I/O bit 1 of multiplexed PCI address and data

PCI pad; 3.3 V signaling

AD[0]

70 I/O bit 0 of multiplexed PCI address and data

PCI pad; 3.3 V signaling

VCC(I/O)

71 -

3.3 V supply voltage; used to power pads; add a 100 nF decoupling

capacitor

GNDA

72 -

analog ground

AUX1V8 73 -

1.8 V auxiliary output voltage; only for voltage conditioning; cannot be

used to supply power to external components; add a 100 nF

decoupling capacitor

XTAL1

74 AI crystal oscillator input; this can also be a 12 MHz clock input

XTAL2

75 AO crystal oscillator output (12 MHz); leave open when clock is used

GNDD

76 -

digital ground

VCC(I/O)_AUX 77

-

3.3 V auxiliary supply voltage; used to power pads; add a 100 nF

decoupling capacitor

OC1_N

78 I

overcurrent sense input for the USB downstream port 1 (digital)

3.3 V input pad; push-pull; CMOS

PWE1_N 79 O power enable for the USB downstream port 1

3.3 V output pad; 3 ns slew rate control; CMOS; open-drain

GNDA

80 -

analog ground

RREF

81 AI/O analog connection for the external resistor (12 kΩ ± 1 %)

GNDA

82 -

analog ground

DM1

83 AI/O D−; analog connection for the USB downstream port 1; pull-down to

ground through a 15 kΩ resistor

GNDA

84 -

analog ground

DP1

85 AI/O D+; analog connection for the USB downstream port 1; pull-down to

ground through a 15 kΩ resistor

VDDA_AUX 86

-

OC2_N

87 I

auxiliary analog supply voltage; add a 100 nF decoupling capacitor

overcurrent sense input for the USB downstream port 2 (digital)

3.3 V input pad; push-pull; CMOS

PWE2_N 88 O power enable for the USB downstream port 2

3.3 V output pad; 3 ns slew rate control; CMOS; open-drain

GNDA

89 -

analog ground

ISP1562_3

Product data sheet

Rev. 03 — 14 November 2008

© NXP B.V. 2008. All rights reserved.

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