CY7C65621_11 Datasheet, PDF (20/27 Pages) Cypress Semiconductor – EZ-USB HX2LP Lite™ Low Power USB 2.0 Hub Controller Family

CY7C65621/31
Table 9. Port Indicator Selector for Feature Selector PORT_INDICATOR (0x22)
Port Indicator Color
Color set automatically as shown in Table 1 on page 6
Amber
Green
Off
Selector Value
0
1
2
3
Upstream USB Connection
The following is a schematic of the USB upstream connector.
Figure 2. USB Upstream Port Connection
VCC
D–
D–
D+
D+
GND
SHELL
2.2 μF
10 V
100 kΩ
Port Indicator Mode
Automatic mode
Manual mode
Manual mode
Manual mode
BUSPOWER
Downstream USB Connections
The following is a schematic of the USB downstream connector.
Figure 3. USB Downstream Port Connection
PWRx
VCC
150 µF
10 V
0.01 µF _DD–[X]
D–
DD+[X]
D+
GND
SHELL
LED Connections
The following is a schematic of the LED circuitry.
Figure 4. USB Downstream Port Connection
GREEN#[x]
680Ω
3.3 V
AMBER#[x]
680Ω
Document #: 001-52934 Rev. *C
Page 20 of 27
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