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

ISP1562_3

Product data sheet

Table 2. Pin description …continued

Symbol[1] Pin Type Description

C/BE#[3] 23 I/O byte 3 of multiplexed PCI bus command and byte enable

PCI pad; 3.3 V signaling

IDSEL

24 I

PCI initialization device select; used as a chip select during

configuration read and write transactions

PCI pad; 3.3 V signaling

VCC(I/O)

25 -

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

capacitor

AD[23]

26 I/O bit 23 of multiplexed PCI address and data

PCI pad; 3.3 V signaling

AD[22]

27 I/O bit 22 of multiplexed PCI address and data

PCI pad; 3.3 V signaling

AD[21]

28 I/O bit 21 of multiplexed PCI address and data

PCI pad; 3.3 V signaling

AD[20]

29 I/O bit 20 of multiplexed PCI address and data

PCI pad; 3.3 V signaling

AD[19]

30 I/O bit 19 of multiplexed PCI address and data

PCI pad; 3.3 V signaling

AD[18]

31 I/O bit 18 of multiplexed PCI address and data

PCI pad; 3.3 V signaling

GNDD

32 -

digital ground

AD[17]

33 I/O bit 17 of multiplexed PCI address and data

PCI pad; 3.3 V signaling

AD[16]

34 I/O bit 16 of multiplexed PCI address and data

PCI pad; 3.3 V signaling

C/BE#[2] 35 I/O byte 2 of multiplexed PCI bus command and byte enable

PCI pad; 3.3 V signaling

FRAME# 36 I/O PCI cycle frame; driven by the master to indicate the beginning and

duration of an access

PCI pad; 3.3 V signaling

IRDY#

37 I/O PCI initiator ready; indicates the ability of the initiating agent to

complete the current data phase of a transaction

PCI pad; 3.3 V signaling

TRDY#

38 I/O PCI target ready; indicates the ability of the target agent to complete

the current data phase of a transaction

PCI pad; 3.3 V signaling

DEVSEL# 39 I/O PCI device select; indicates if any device is selected on the bus

PCI pad; 3.3 V signaling

VCC(I/O)

40 -

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

capacitor

STOP#

41 I/O PCI stop; indicates that the current target is requesting the master to

stop the current transaction

PCI pad; 3.3 V signaling

CLKRUN# 42 I/O PCI CLKRUN signal; pull-down to ground through a 10 kΩ resistor

PCI pad; 3.3 V signaling; open-drain

Rev. 03 — 14 November 2008

© NXP B.V. 2008. All rights reserved.

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