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

PWE3

106 I/O

power enable for the USB downstream port 3 (open-drain).

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

slew rate control; TTL; 5 V tolerant

RREF

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

AVAUX

DM2

108 -

109 AI/O

analog auxiliary voltage (3.3 V); supply voltage

D−; analog connection for the USB downstream port 2

DP2

110 AI/O D+; analog connection for the USB downstream port 2

AGND

111 -

analog ground

GL3

112 I/O

GoodLink LED indicator output for the USB downstream

port 3 (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

AMB3

113 I/O

amber LED indicator output for the USB downstream port 3

(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

GRN3

114 I/O

green LED indicator output for the USB downstream port 3

(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

DM3

115 -

116 AI/O

analog auxiliary voltage (3.3 V); supply voltage

D−; analog connection for the USB downstream port 3

DP3

117 AI/O D+; analog connection for the USB downstream port 3

AGND

118 -

analog ground

OC4

119 I

overcurrent sense input for the USB downstream port 4

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

PWE4

120 I/O

power enable for the USB downstream port 4 (open-drain).

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

slew rate control; TTL; 5 V tolerant

AVAUX

DM4

121 -

122 AI/O

analog auxiliary voltage (3.3 V); supply voltage

D−; analog connection for the USB downstream port 4

DP4

123 AI/O D+; analog connection for the USB downstream port 4

AGND

124 -

analog ground

GL4

125 I/O

GoodLink LED indicator output for the USB downstream

port 4 (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

9397 750 10015

Product data

Rev. 01 — 06 February 2003

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

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