Philips ISP1122 ユーザーズマニュアル

9397 750 07002

© Philips Electronics N.V. 2000. All rights reserved.

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MBL018

1

2

3

4

5

6

7

8

24

23

22

21

20

19

18

17

9

10

11

12

13

14

15

16

32

31

30

29

28

27

26

25

DM3

GND

PSW2/GL2

V

reg(3.3)

PSW1/GL1

DP2

DM2

DP0

DP4

SP/BP

HUBGL

PSW3/GL3

PSW4/GL4

PSW5/GL5/GPSW

XTAL1

XTAL2

DP3

VCC

OC1

DM4

DM0

DP1

DM1

DP5

DM5

INDV/SDA

OPTION/SCL

RESET

OC2

OC3

OC4

OC5/GOC

V

29

-

regulated supply voltage (3.3 V

±

10%) from internal

regulator; used to connect pull-up resistor on DP0 line

PSW2/GL2

30

O

modes 4 to 6: power switch control output for downstream
port 2 (open-drain, 6 mA)

modes 0 to 3, 7: GoodLink LED indicator output for
downstream port 2 (open-drain, 6 mA); to connect an LED
use a 330

Ω

 series resistor

GND

31

-

ground supply

DM3

32

AI/O

downstream port 3 D

−

 connection (analog)

DP3

1

AI/O

downstream port 3 D

+

 connection (analog)

V

CC

2

-

supply voltage; connect to USB supply V

BUS

(bus-powered or

hybrid-powered) or to local supply V

DD

 (self-powered)

OC1

3

AI/I

overcurrent sense input for downstream port 1 (analog

OC2

4

AI/I

overcurrent sense input for downstream port 2 (analog

OC3

5

AI/I

overcurrent sense input for downstream port 3 (analog

OC4

6

AI/I

overcurrent sense input for downstream port 4 (analog