USB7206C datasheet(13/56 Pages) MICROCHIP

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USB7206C

DS00003850A-page 13



2021 Microchip Technology Inc.

Analog Test

ATEST

Analog test pin.

This signal is used for test purposes and

must always be left unconnected.

Float

External 25 MHz

Crystal Input

XTALI

ICLK

External 25 MHz crystal input

Mandatory

Note 3-6

External 25 MHz

Reference Clock

Input

CLK_IN

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.

Mandatory

Note 3-6

External 25 MHz

Crystal Output

XTALO

OCLK

External 25 MHz crystal output

Float

(only if sin-

gle-ended

clock is

connected

to CLK_IN)

No Connect

No connect.

For proper operation, this pin must be left

unconnected.

No connect

Configuration Straps

Port 6-1 D+

Disable

Configuration

Strap

PRT_DIS_P[6:1]

Port 6-1 D+ Disable Configuration Strap.

These configuration straps are used in con-

junction with the corresponding

PRT_DIS_M[6:1] straps to disable the

related port (6-1). See Note 3-7.

Both USB data pins for the corresponding

port must be tied to 3.3V to disable the

associated downstream port.

N/A

TABLE 3-1:

PIN DESCRIPTIONS (CONTINUED)

Name

Symbol

Buffer

Type

Description

If Unused

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