USB7252CSLASHKDX datasheet(23/63 Pages) MICROCHIP

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2021 Microchip Technology Inc.

DS00003852A-page 23

I2S_SDO

O12

I2S Serial Data Out

Weak pull-

down to

GND

I2S_SCK

O12

I2S Continuous Serial Clock

Weak pull-

down to

GND

I2S_LRCK

O12

I2S Word Select / Left-Right Clock

Weak pull-

down to

GND

I2S_MCLK

O12

I2S Master Clock

Weak pull-

down to

GND

MIC_DET

I2S Microphone Plug Detect

0 = No microphone plugged into the audio jack

1 = Microphone plugged into the audio jack

Weak pull-

down to

GND

Miscellaneous

DP2_VCONN1

I/O12

Port 2 VCONN1 enable. Active high signal.

0 = VCONN is turned off.

1 = VCONN is turned on. If DP2_VCONN1 is asserted and >3.0V is

not sensed on the CC1 line, a VCONN fault condition is detected.

Note 3-1

This pin can be left unused only if Port 2 is

disabled or reconfigured to operate as a legacy

Type-A port via OTP/SMBus/SPI configuration.

Weak pull-

down to

GND

(Note 3-1)

DP2_VCONN2

I/O12

Port 2 VCONN2 enable. Active high signal.

0 = VCONN is turned off.

1 = VCONN is turned on. If DP2_VCONN2 is asserted and >3.0V is

not sensed on the CC2 line, a VCONN fault condition is detected.

Note 3-2

This pin can be left unused only if Port 2 is

disabled or reconfigured to operate as a legacy

Type-A port via OTP/SMBus/SPI configuration.

Weak pull-

down to

GND

(Note 3-2)

DP2_DISCHARGE

I/O12

Port 2 DISCHARGE enable. Active high signal.

0 = VBUS discharging is not active.

1 = VBUS is being discharged to GND. This pin only asserts for a

short duration when VBUS is being discharged from 5V (vSafe5V)

to 0V (vSafe0V).

Note 3-3

This pin can be left unused only if Port 2 is

disabled or reconfigured to operate as a legacy

Type-A port via OTP/SMBus/SPI configuration.

Weak pull-

down to

GND

(Note 3-3)

TABLE 3-6:

PROGRAMMABLE FUNCTIONS DESCRIPTIONS (CONTINUED)

Function

Buffer

Type

Description

If Unused

USB7252C/KDX 数据表(PDF) 23 Page - Microchip Technology

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USB7252C/KDX 数据表(PDF) 23 Page - Microchip Technology

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