USB4715 datasheet(15/47 Pages) MICROCHIP

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2022 Microchip Technology Inc. and its subsidiaries

DS00002514B-page 15

USB4715

UART_TX

O12

UART Transmit

UART_RX

UART Receive

SMBus Master Interface

SMB1_CLK

I/OD12

SMBus Master Clock

SMB1_DAT

I/OD12

SMBus Master Data

SMBus Slave Interface

SMB2_CLK

I/OD12

SMBus Slave Clock

For proper SMBus slave operation, an external 10 kΩ resistor is required on

this signal.

SMB2_DAT

I/OD12

SMBus Slave Data

For proper SMBus slave operation, an external 10 kΩ resistor is required on

this signal.

I2S Interface

I2S_SCK

O12

I2S Continuous Serial Clock

I2S_LRCK

O12

I2S Word Select / Left-Right Clock

I2S_MCLK

O12

I2S Master Clock

I2S_SDOUT

O12

I2S Serial Data Out

I2S_SDIN

I2S Serial Data In

MIC_DET

I2S MIC Plug Detect

0 = No microphone plugged into the audio jack

1 = Microphone plugged into the audio jack

Miscellaneous

GPIOx

I/O12

General Purpose Inputs/Outputs

(x = 6, 8, 10-11)

CONNECT_IND[4:1]

O12

Downstream Port 4-1 Connect Indicator

1 = USB 2.0 or USB 1.1 connection to port

0 = Nothing connected to port

TABLE 3-7:

PROGRAMMABLE FUNCTIONS DESCRIPTIONS (CONTINUED)

Function

Buffer

Type

Description

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