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USB7252PT/KDX 数据表(PDF) 21 Page - Microchip Technology |
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USB7252PT/KDX 数据表(HTML) 21 Page - Microchip Technology |
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21 / 64 page ![]() 2018 - 2020 Microchip Technology Inc. DS00003561A-page 21 USB7252P Note 3-1 The default function is not used in the USB7252P. PF30 MSTR_I2C_CLK MSTR_I2C_CLK MSTR_I2C_CLK MSTR_I2C_CLK PF31 MSTR_I2C_DATA MSTR_I2C_DATA MSTR_I2C_DATA 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[31:2] FUNCTION ASSIGNMENT (CONTINUED) Pin Configuration 1 (SMBus/I2C) Configuration 2 (I2S) Configuration 3 (UART) Configuration 4 (GPIO & FlexConnect) |
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