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

PWE1

90 I/O

power enable for the USB downstream port 1 (open-drain).

Bi-directional pin; push-pull input; three-state output; 10 ns

slew rate control; TTL; 5 V tolerant

GL1

91 I/O

GoodLink LED indicator output for the USB downstream

port 1 (open-drain); the LED is OFF by default, blinks ON

upon USB traffic; bi-directional pin; push-pull input;

three-state output; 10 ns slew rate control; TTL; 5 V

tolerant

AMB1

92 I/O

amber LED indicator output for the USB downstream port 1

(open-drain); the LED is OFF by default; the LED can be

programmed to enable it to blink. Bi-directional pin;

push-pull input; three-state output; 10 ns slew rate control;

TTL; 5 V tolerant

AVAUX

93 -

GND_RREF 94 -

analog auxiliary voltage (3.3 V); supply voltage

reference ground; RREF resistor must be connected to this

pin

GRN1

95 I/O

green LED indicator output for the USB downstream port 1

(open-drain); the LED is OFF by default.The LED can be

programmed to enable it to blink. Bi-directional pin;

push-pull input; three-state output; 10 ns slew rate control;

TTL; 5 V tolerant

OC2

96 I

overcurrent sense input for the USB downstream port 2

(digital). Push-pull; TTL with hysteresis; 5 V tolerant

PWE2

97 I/O

power enable for the USB downstream port 2 (open-drain).

Bi-directional pin; push-pull input; three-state output; 10 ns

slew rate control; TTL; 5 V tolerant

GL2

98 I/O

GoodLink LED indicator output for the USB downstream

port 2 (open-drain); the LED is OFF by default, blinks ON

upon USB traffic. Bi-directional pin; push-pull input;

three-state output; 10 ns slew rate control; TTL; 5 V

tolerant

AMB2

99 I/O

amber LED indicator output for the USB downstream port 2

(open-drain); the LED is OFF by default; The LED can be

programmed to enable it to blink. Bi-directional pin;

push-pull input; three-state output; 10 ns slew rate control;

TTL; 5 V tolerant

GRN2

100 I/O

green LED indicator output for the USB downstream port 2

(open-drain); the LED is OFF by default; The LED can be

programmed to enable it to blink. Bi-directional pin;

push-pull input; three-state output; 10 ns slew rate control;

TTL; 5 V tolerant

AVAUX_PLL

DM1

101 -

102 AI/O

analog auxiliary voltage (3.3 V); supply voltage for PLL

D−; analog connection for the USB downstream port 1

DP1

103 AI/O D+; analog connection for the USB downstream port 1

AGND

104 -

analog ground

OC3

105 I

overcurrent sense input for the USB downstream port 3

(digital). Push-pull; 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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