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CY4605 Datasheet(PDF) 9 Page - Cypress Semiconductor

Part # CY4605
Description  EZ-USB HX2LP Lite??Low Power USB 2.0 Hub Controller Family
Download  27 Pages
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Manufacturer  CYPRESS [Cypress Semiconductor]
Direct Link  http://www.cypress.com
Logo CYPRESS - Cypress Semiconductor

CY4605 Datasheet(HTML) 9 Page - Cypress Semiconductor

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CY7C65621/31
Document #: 001-52934 Rev. *C
Page 9 of 27
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 on the
CY7C65621/31
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.
51
OVR#[4]
Reserved
Input
1
Overcurrent Condition Detection Input. Default is Active
LOW. Polarity is controlled through EEPROM.
Reserved. Pull to deasserted state with external resistor on the
CY7C65621/31
52
PWR#[4]
NC
O/Z
Z
Power Switch Driver Output. Default is active LOW. Polarity
is controlled through EEPROM.
Table 3. Pin Assignments[4] (continued)
Pin
CY7C65631
Name
CY7C65621
Name
Type Default
Description
Note
4. Unused port DD+/DD– lines can be left floating. Leave the port power, amber, and green LED pins unconnected, and deassert the overcurrent pin. Do not
leave the overcurrent pin floating; it is an input.
[+] Feedback


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