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USB7002/KDX 数据表(PDF) 17 Page - Microchip Technology |
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USB7002/KDX 数据表(HTML) 17 Page - Microchip Technology |
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17 / 56 page  2022 Microchip Technology Inc. and its subsidiaries DS00002670G-page 17 USB7002 TABLE 3-5: PF[31:4] FUNCTION ASSIGNMENT Pin Configuration 1 (SMBus/I2C) Configuration 2 (I2S) Configuration 3 (UART) Configuration 4 (Flex) PF4 DP2_DISCHARGE DP2_DISCHARGE DP2_DISCHARGE DP2_DISCHARGE PF5 DP1_DISCHARGE DP1_DISCHARGE DP1_DISCHARGE DP1_DISCHARGE PF6 GPIO70 GPIO70 UART_RX GPIO70 PF7 GPIO71 MIC_DET UART_TX GPIO71 PF8 DP1_VCONN1 DP1_VCONN1 DP1_VCONN1 DP1_VCONN1 PF9 DP1_VCONN2 DP1_VCONN2 DP1_VCONN2 DP1_VCONN2 PF10 DP2_VCONN1 DP2_VCONN1 DP2_VCONN1 DP2_VCONN1 PF11 DP2_VCONN2 DP2_VCONN2 DP2_VCONN2 DP2_VCONN2 PF12 GPIO76 GPIO76 GPIO76 GPIO76 PF13 PRT_CTL4 PRT_CTL4 PRT_CTL4 PRT_CTL4 PF14 GPIO78 I2S_SDI UART_nCTS GPIO78 PF15 PRT_CTL2 PRT_CTL2 PRT_CTL2 PRT_CTL2 PF16 PRT_CTL3 PRT_CTL3 PRT_CTL3 PRT_CTL3 PF17 PRT_CTL1 PRT_CTL1 PRT_CTL1 PRT_CTL1 PF18 MSTR_I2C_CLK I2S_LRCK UART_nDCD GPIO82 PF19 MSTR_I2C_DATA I2S_SDO UART_nRTS GPIO83 PF20 SPI_CE_N SPI_CE_N SPI_CE_N SPI_CE_N PF21 SPI_CLK SPI_CLK SPI_CLK SPI_CLK PF22 SPI_D0 SPI_D0 SPI_D0 SPI_D0 PF23 SPI_D1 SPI_D1 SPI_D1 SPI_D1 PF24 SPI_D2 SPI_D2 SPI_D2 SPI_D2 PF25 SPI_D3 SPI_D3 SPI_D3 SPI_D3 PF26 SLV_I2C_CLK I2S_SCK UART_nDSR GPIO90 PF27 SLV_I2C_DATA I2S_MCLK UART_nDTR GPIO91 PF28 GPIO92 GPIO92 GPIO92 GPIO92 PF29 GPIO93 GPIO93 GPIO93 GPIO93 PF30 GPIO94 MSTR_I2C_CLK GPIO94 GPIO94 PF31 GPIO95 MSTR_I2C_DATA GPIO95 GPIO95 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 3-6: PROGRAMMABLE FUNCTIONS DESCRIPTIONS Function Buffer Type Description Master SMBus/I2C Interface MSTR_I2C_CLK I/O12 Bridging Master SMBus/I2C controller clock (SMBus/I2C controller 1) MSTR_I2C_DATA I/O12 Bridging Master SMBus/I2C controller data (SMBus/I2C controller 1) |
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