Document Number: 38-08019 Rev. *N

Page 8 of 25

CY7C65640A

Unused port DD+/DD– lines can be left floating. The port power, amber, and green LED pins should be left unconnected, and the overcurrent pin should be tied high. The

overcurrent pin is an input and it should not be left floating.

DOWNSTREAM PORT 1

13

DD–[1]

I/O/Z

Z

Downstream D– Signal.

14

DD+[1]

I/O/Z

Z

Downstream D+ Signal.

36

AMBER#[1]

O

1

LED. Driver output for amber LED. Port Indicator Support. Active LOW.

35

GREEN#[1]

O

1

LED. Driver output for green LED. Port Indicator Support. Active LOW.

30

OVR#[1]

Input

1

Overcurrent Condition Detection Input. Active LOW.

29

PWR#[1]

O/Z

Z

Power Switch Driver Output. Active LOW.

DOWNSTREAM PORT 2

9

DD–[2]

I/O/Z

Z

Downstream D– Signal.

10

DD+[2]

I/O/Z

Z

Downstream D+ Signal.

38

AMBER#[2]

O

1

LED. Driver output for amber LED. Port Indicator Support. Active LOW.

37

GREEN#[2]

O

1

LED. Driver output for green LED. Port Indicator Support. Active LOW.

32

OVR#[2]

Input

1

Overcurrent Condition Detection Input. Active LOW.

31

PWR#[2]

O/Z

Z

Power Switch Driver Output. Active LOW.

DOWNSTREAM PORT 3

5

DD–[3]

I/O/Z

Z

Downstream D– Signal.

6

DD+[3]

I/O/Z

Z

Downstream D+ Signal.

42

AMBER#[3]

O

1

LED. Driver output for Amber LED. Port Indicator Support. Active LOW.

41

GREEN#[3]

O

1

LED. Driver output for Green LED. Port Indicator Support. Active LOW.

53

OVR#[3]

Input

1

Overcurrent Condition Detection Input. Active LOW.

54

PWR#[3]

O/Z

Z

Power Switch Driver Output. Active LOW.

DOWNSTREAM PORT 4

1

DD–[4]

I/O/Z

Z

Downstream D– Signal.

2

DD+[4]

I/O/Z

Z

Downstream D+ Signal.

44

AMBER#[4]

O

1

LED. Driver output for Amber LED. Port Indicator Support. Active LOW.

43

GREEN#[4]

O

1

LED. Driver output for Green LED. Port Indicator Support. Active LOW.

51

OVR#[4]

Input

1

Overcurrent Condition Detection Input. Active LOW.

52

PWR#[4]

O/Z

Z

Power Switch Driver Output. Active LOW.

Table 3. CY7C65640A Pin Assignments (continued)

Pin

Name

Type

Default

Description

[+] Feedback