4

08/18/00

GL652USB 7 PORT USB HUB CONTROLLER

Revision 1.2

29

PWRENB4#

O

Power enable for downstream port 4

30

LED6

O

LED traffic indicator for downstream port 6

31

PWRENB6#

O

Power enable for downstream port 6

32

TEST

I

Test mode input

33

OVCUR6#

I

Over current flag for downstream port6

34

XTAL2

O

Ceramic resonator or crystal out

35

XTAL1

I

Ceramic resonator or crystal in

36

DGND

-

Digital ground

37

PWRENB3#

O

Power enable for downstream port 3

38

OVCUR3#

I

Over current flag for downstream port3

39

LED7

O

LED traffic indicator for downstream port 7

40

OVCUR7#

I

Over current flag for downstream port7

41

DVCC

-

Digital VCC(5V)

42

OVCUR5#

I

Over current flag for downstream port5

43

PWRENB5#

O

Power enable for downstream port 5

44

PWRENB2#

O

Power enable for downstream port 2

45

PWRENB7#

O

Power enable for downstream port 7

46

OVCUR2#

I

Over current flag for downstream port2

47

PWRENB1#

O

Power enable for downstream port 1

48

OVCUR1#

I

Over current flag for downstream port1

Note 1: “#” means low active

Note 2: If using crystal, TEST pull low. If using oscillator, TEST pull high.

Table 1 GL652USB Pin Definitions and Descriptions

GL650USB

DP0

1

DM0

2

AGND

3

DP7

4

DM7

5

DP1

6

DM1

7

DP6

8

DM6

9

DP4

10

DM4

11

AVCC

12

DGND

36

XTAL1

35

XTAL2

34

OVRCUR6#

33

TEST

32

PWRENB6#

31

LED6

30

PWRENB4#

29

LED5

28

OVRCUR4#

27

LED4

26

RESET

25

GL652USB