
Datasheet
Chapter 10 Application Diagrams
The
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| 5V |
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| Regulator |
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| IN |
| OUT1 |
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| 3.3V |
| USBDP1 | ||||
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| OUT2 |
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| USBDM1 | |||||
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| VBUS1_N | |
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| OCS1_N |
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| XTAL1 |
| GR1_N |
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| AM1_N |
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| USBDP2 |
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| VBUS2_N | ||||||
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| VBUS | VBUSDET |
| OCS2_N | ||||
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| D+ |
| GR2_N | |||||
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| AM2_N | |
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| USBDP3 | |
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| USBDM3 |
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| VBUS3_N | |
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| EEPROM |
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| USBDP4 |
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| SCLK |
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| SCK/SCL |
| USBDM4 | ||
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| VBUS4_N | |||||
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| SD |
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| GR4_N |
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| AM4_N |
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5V
Quad
Power
Switch
IN
EN1 OUT1
OC1 OUT2
EN2 OUT3
OC2 OUT4
EN3
OC3
EN4
OC4
Four
Downstream
Ports
VBUS
D+
D-
GND
GR
AM
VBUS
D+
D-
GND
GR
AM
VBUS
D+
D-
GND
GR
AM
VBUS
D+
D-
GND
GR
AM
Figure 10.1 - High Level Block Diagram of a
SMSC USB20H04 | Page 33 | Revision 1.63 |
DATASHEET