ISP1561 データシートの表示（PDF） - Philips Electronics

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ISP1561

Hi-Speed USB PCI host controller

Philips Electronics 

Philips Semiconductors

ISP1561

USB PCI host controller

Table 2: Pin description…continued

Symbol[1]

Pin Type Description

REQ#

22 O

PCI request; indicates to the arbitrator that the agent wants

to use the bus

AD[31]

23 I/O

bit 31 of multiplexed PCI address and data

AD[30]

24 I/O

bit 30 of multiplexed PCI address and data

VDD

AD[29]

25 -

26 I/O

supply voltage (3.3 V)

bit 29 of multiplexed PCI address and data

AD[28]

27 I/O

bit 28 of multiplexed PCI address and data

AD[27]

28 I/O

bit 27 of multiplexed PCI address and data

DGND

29 -

digital ground

AD[26]

30 I/O

bit 26 of multiplexed PCI address and data

AD[25]

31 I/O

bit 25 of multiplexed PCI address and data

AD[24]

32 I/O

bit 24 of multiplexed PCI address and data

VDD

C/BE#[3]

33 -

34 I/O

supply voltage (3.3 V)

byte 3 of multiplexed PCI bus command and byte enable

IDSEL

35 I

PCI initialization device select; used as a chip select during

configuration read and write transactions

AD[23]

36 I/O

bit 23 of multiplexed PCI address and data

DGND

37 -

digital ground

AD[22]

38 I/O

bit 22 of multiplexed PCI address and data

AD[21]

39 I/O

bit 21 of multiplexed PCI address and data

AD[20]

40 I/O

bit 20 of multiplexed PCI address and data

VDD

AD[19]

41 -

42 I/O

supply voltage (3.3 V)

bit 19 of multiplexed PCI address and data

AD[18]

43 I/O

bit 18 of multiplexed PCI address and data

AD[17]

44 I/O

bit 17 of multiplexed PCI address and data

DGND

45 -

digital ground

AD[16]

46 I/O

bit 16 of multiplexed PCI address and data

C/BE#[2]

47 I/O

byte 2 of multiplexed PCI bus command and byte enable

FRAME#

48 I/O

PCI cycle frame; driven by the master to indicate the

beginning and duration of an access

VDD

IRDY#

49 -

50 I/O

supply voltage (3.3 V)

PCI initiator ready; indicates ability of the initiating agent to

complete the current data phase of a transaction

TRDY#

51 I/O

PCI target ready; indicates ability of the target agent to

complete the current data phase of a transaction

DEVSEL#

52 I/O

PCI device select; indicates if any device has been

selected on the bus

DGND

53 -

digital ground

STOP#

54 I/O

PCI stop; indicates that the current target is requesting the

master to stop the current transaction

CLKRUN# 55 I/O

PCI CLKRUN signal; push-pull input; three-state output;

5 ns slew rate control; TTL with hysteresis; 5 V tolerant

9397 750 10015

Product data

Rev. 01 — 06 February 2003

© Koninklijke Philips Electronics N.V. 2003. All rights reserved.

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