CY7C65621/31
Document #: 001-52934 Rev. **
Page 8 of 24
Upstream Port
17
D–
D–
I/O/Z
Z
Upstream D– Signal.
18
D+
D+
I/O/Z
Z
Upstream D+ Signal.
Downstream Port 1
13
DD–[1]
DD–[1]
I/O/Z
Z
Downstream D– Signal.
14
DD+[1]
DD+[1]
I/O/Z
Z
Downstream D+ Signal.
36
AMBER#[1]
AMBER#[1]
Output
1
LED. Driver output for Amber LED. Port Indicator Support.
Default is Active LOW. Polarity is controlled through EEPROM.
35
GREEN#[1]
GREEN#[1]
Output
1
LED. Driver output for Green LED. Port Indicator Support.
Default is Active LOW. Polarity is controlled through EEPROM.
30
OVR#[1]
OVR#[1]
Input
1
Overcurrent Condition Detection Input. Default is Active
LOW. Polarity is controlled through EEPROM.
29
PWR#[1]
PWR#[1]
O/Z
Z
Power Switch Driver Output. Default is Active LOW. Polarity
is controlled through EEPROM.
Downstream Port 2
9
DD–[2]
DD–[2]
I/O/Z
Z
Downstream D– Signal.
10
DD+[2]
DD+[2]
I/O/Z
Z
Downstream D+ Signal.
38
AMBER#[2]
AMBER#[2]
Output
1
LED. Driver output for Amber LED. Port Indicator Support.
Default is Active LOW. Polarity is controlled through EEPROM.
37
GREEN#[2]
GREEN#[2]
Output
1
LED. Driver output for Green LED. Port Indicator Support.
Default is Active LOW. Polarity is controlled through EEPROM.
32
OVR#[2]
OVR#[2]
Input
1
Overcurrent Condition Detection Input. Default is Active
LOW. Polarity is controlled through EEPROM.
31
PWR#[2]
PWR#[2]
O/Z
Z
Power Switch Driver Output. Default is Active LOW. Polarity
is controlled through EEPROM.
Downstream Port 3
5
DD–[3]
NC
I/O/Z
Z
Downstream D– Signal.
6
DD+[3]
NC
I/O/Z
Z
Downstream D+ Signal.
42
AMBER#[3]
NC
Output
1
LED. Driver output for Amber LED. Port Indicator Support.
Default is Active LOW. Polarity is controlled through EEPROM.
41
GREEN#[3]
NC
Output
1
LED. Driver output for Green LED. Port Indicator Support.
Default is Active LOW. Polarity is controlled through EEPROM.
53
OVR#[3]
Reserved
Input
1
Overcurrent Condition Detection Input. Default is Active
LOW. Polarity is controlled through EEPROM.
Reserved. Pull to deasserted state with external resistor
(CY7C65620 only)
54
PWR#[3]
NC
O/Z
Z
Power Switch Driver Output. Default is Active LOW. Polarity
is controlled through EEPROM.
Downstream Port 4
1
DD–[4]
NC
I/O/Z
Z
Downstream D– Signal.
2
DD+[4]
NC
I/O/Z
Z
Downstream D+ Signal.
44
AMBER#[4]
NC
Output
1
LED. Driver output for Amber LED. Port Indicator Support.
Default is Active LOW. Polarity is controlled through EEPROM.
43
GREEN#[4]
NC
Output
1
LED. Driver output for Green LED. Port Indicator Support.
Default is Active LOW. Polarity is controlled through EEPROM.
Table 3. Pin Assignments[3] (continued)
Pin
CY7C65631
Name
CY7C65621
Name
Type Default
Description
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