ISP1160 Просмотр технического описания (PDF) - Philips Electronics

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ISP1160

Embedded Universal Serial Bus Host Controller

Philips Electronics 

Philips Semiconductors

ISP1160

Embedded USB Host Controller

9397 750 11371

Product data

Table 2: Pin description for LQFP64…continued

Symbol[1]

Pin Type Description

DACK_N

27 I

TEST_HIGH 28 -

HC DMA acknowledge input; when not in use, this pin must

be connected to VCC via an external 10 kΩ resistor

this pin must be connected to VCC via an external 10 kΩ

resistor

INT

29 O

HC interrupt output; programmable level, edge triggered

and polarity; see Section 10.4.1

n.c.

30 -

no connection; leave this pin open

n.c.

31 O

no connection; leave this pin open

RESET_N

32 I

reset input (Schmitt trigger); a LOW level produces an

asynchronous reset (internal pull-up resistor)

NDP_SEL

33 I

indicates to the HC software the Number of Downstream

Ports (NDP) present:

EOT

34 I

DGND

35 -

n.c.

36 -

TEST_LOW 37 -

n.c.

38 -

TEST_LOW 39 -

H_WAKEUP 40 I

n.c.

41 -

H_SUSPEND 42 O

XTAL1

43 I

XTAL2

44 O

DGND

45 -

H_PSW1_N 46 O

H_PSW2_N 47 O

0 — select 1 downstream port

1 — select 2 downstream ports

only changes the value of the NDP field in the

HcRhDescriptorA register; both ports will always be

enabled; see Section 10.3.1

(internal pull-up resistor)

DMA master device to inform the ISP1160 of end of DMA

transfer; active level is programmable; when not in use, this

pin must be connected to VCC via an external 10 kΩ

resistor; see Section 10.4.1

digital ground

no connection; leave this pin open

this pin must be connected to DGND via an external 10 kΩ

resistor

no connection; leave this pin open

this pin must be connected to DGND via a 1 MΩ resistor

HC wake-up input; generates a remote wake-up from the

suspend state (active HIGH); when not in use, this pin must

be connected to DGND via an external 10 kΩ resistor

(internal pull-down resistor)

no connection; leave this pin open

HC suspend state indicator output; active HIGH

crystal input; connected directly to a 6 MHz crystal; when

this pin is connected to an external clock source,

pin XTAL2 must be left open

crystal output; connected directly to a 6 MHz crystal; when

pin XTAL1 is connected to an external clock source, this

pin must be left open

digital ground

power switching control output for downstream port 1;

open-drain output

power switching control output for downstream port 2;

open-drain output

Rev. 04 — 04 July 2003

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

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