USB7216C datasheet(19/60 Pages) MICROCHIP

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2021 Microchip Technology Inc.

DS00003851A-page 19

USB7216C

Note 3-1

The default function is not used in the USB7216C.

PF7

GPIO71

MIC_DET

PF8

GPIO72

PF9

GPIO73

PF10

PRT_CTL2_U3

I2S_SDI

PF11

PRT_CTL3_U3

I2S_MCLK

PF12

PRT_CTL4_U3

PF13

PRT_CTL4

PF14

PRT_CTL3

PF15

PRT_CTL2

PF16

PRT_CTL5

PF17

PRT_CTL1

PF18

ALERT0

PF19

I2S_SDO

PF20

SPI_CE_N

PF21

SPI_CLK

PF22

SPI_D0

PF23

SPI_D1

PF24

SPI_D2

PF25

SPI_D3

PF26

SLV_I2C_CLK

I2S_SCK

PF27

SLV_I2C_DATA

PRT_CTL6

PF28

PRT_CTL6

I2S_LRCK

PF29

(Note 3-1)

PF30

MSTR_I2C_CLK

PF31

MSTR_I2C_DATA

Note:

The default

PFx pin functions can be overridden with additional configuration by modification of the pin mux

registers. These changes can be made during the SMBus configuration stage, by programming to OTP

memory, or during runtime (after hub has attached and enumerated) by register writes via the SMBus slave

interface or USB commands to the internal Hub Feature Controller Device.

TABLE 3-5:

PF[31:3] FUNCTION ASSIGNMENT (CONTINUED)

Configuration 1

(SMBus/I2C)

Configuration 2

(I2S)

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