USB7002SLASHKDX datasheet(14/56 Pages) MICROCHIP

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USB7002

DS00002670G-page 14

 2022 Microchip Technology Inc. and its subsidiaries

Test

TESTEN

I/O12

Test pin.

This signal is used for test purposes and must always

be connected to ground.

Analog Test

ATEST

Analog test pin.

This signal is used for test purposes and must either be

left unconnected or tied to ground.

External 25 MHz

Crystal Input

XTALI

ICLK

External 25 MHz crystal input

External 25 MHz

Reference Clock

Input

CLKIN

ICLK

External reference clock input.

The device may alternatively be driven by a single-

ended clock oscillator. When this method is used,

XTALO should be left unconnected.

External 25 MHz

Crystal Output

XTALO

OCLK

External 25 MHz crystal output

Configuration Straps

Port 4-1 D+

Disable

Configuration

Strap

PRT_DIS_P[4:1]

Port 4-1 D+ Disable Configuration Strap.

These configuration straps are used in conjunction with

the corresponding PRT_DIS_M[4:1] straps to disable

the related port (4-1). See Note 3-1.

Both USB data pins for the corresponding port must be

tied to 3.3V to disable the associated downstream port.

Port 4-1 D-

Disable

Configuration

Strap

PRT_DIS_M[4:1]

Port 4-1 D- Disable Configuration Strap.

These configuration straps are used in conjunction with

the corresponding PRT_DIS_P[4:1] straps to disable the

related port (4-1). See Note 3-1.

Both USB data pins for the corresponding port must be

tied to 3.3V to disable the associated downstream port.

Non-Removable

Ports

Configuration

Strap

CFG_NON_REM

Non-Removable Ports Configuration Strap.

This configuration strap controls the number of reported

non-removable ports. See Note 3-1.

Battery Charging

Configuration

Strap

CFG_BC_EN

I/O12

Battery Charging Configuration Strap.

This configuration strap controls the number of BC 1.2

enabled downstream ports. See Note 3-1.

Device Mode

Configuration

Straps 3-1

CFG_STRAP[3:1]

Device Mode Configuration Straps 3-1.

These configuration straps are used to select the

device’s mode of operation. See Note 3-1.

TABLE 3-1:

PIN DESCRIPTIONS (CONTINUED)

Name

Symbol

Buffer

Type

Description

USB7002/KDX Datasheet(PDF) 14 Page - Microchip Technology

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