USB2422

DS00001726B-page 12

2.6

Example Applications

Figure 2-5 and Figure 2-6 depict example applications for an SoC based design and a non-SoC based design, respec-

tively. The corresponding resistor and capacitor values for these examples are provided in Table 2-5.

FIGURE 2-5:

EXAMPLE APPLICATION - SOC BASED DESIGN

FIGURE 2-6:

EXAMPLE APPLICATION - NON-SOC BASED DESIGN

Embedded

Device

SOC

USB2422

SMBCLK

SMBDATA

RESET_N

XTALOUT

XTALIN

SUSP_IND

RBIAS

VDD33 (1,9,18)

PLLFILT

CRFILT

N/C

PRTPWR1

OCS1_N

USBDP_DN1

USBDM_DN1

PRTPWR2(11)

OCS2_N(12)

USBDP_DN2

USBDM_DN2

GND

Vcc

USB Switch

Enable

FAULT_N

RESET_N

Clock

VBUS_DET

USBDP_UP

USBDM_UP

Connector

3.3V

USB

Connector

USB2422

VBUS_DET

USBDP_UP

USBDM_UP

CFG_SEL0(14)

NON_REM1(13)

RESET_N

XTAL1(22)

XTAL2(21)

NON_REM0(17)

RBIAS

VDD33 (1,9,18)

PLLFILT

CRFILT

N/C

PRTPWR2(11)

OCS2_N(12)

USBDP_DN2

USBDM_DN2

PRTPWR1

OCS1_N

USBDP_DN1

USBDM_DN1

GND

R2

R2

USB

Connector

R2

Vcc

Vcc

24MHz

Cx

Cx

R1

Vcc

Non-removable

Device

Charger

Enabled

Port

Power

Switch