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USB7252/KDX 数据表(PDF) 20 Page - Microchip Technology

部件名 USB7252/KDX
功能描述  4-Port USB 3.2 Gen 2 Type-C짰 Controller Hub
PDF  65 Pages
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制造商  MICROCHIP [Microchip Technology]
网页  http://www.microchip.com
标志 MICROCHIP - Microchip Technology

USB7252/KDX 数据表(HTML) 20 Page - Microchip Technology

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USB7252
DS00002736D-page 20
2018 - 2020 Microchip Technology Inc.
A summary of the configuration pin assignments for each of the 4 configurations is provided in Table 3-5. For details on
behavior of each programmable function, refer to Table 3-6.
Note:
CFG_STRAP3 is not used and must be pulled-down to ground via a 200 kresistor.
TABLE 3-4:
CFG_STRAP[2:1] RESISTOR ENCODING
Mode
CFG_STRAP2
Resistor Value
CFG_STRAP1
Resistor Value
Configuration 1
200 kΩ Pull-Down
200 kΩ Pull-Down
Configuration 2
200 kΩ Pull-Down
200 kΩ Pull-Up
Configuration 3
200 kΩ Pull-Down
10 kΩ Pull-Down
Configuration 4
200 kΩ Pull-Down
10 kΩ Pull-Up
TABLE 3-5:
PF[31:2] FUNCTION ASSIGNMENT
Pin
Configuration 1
(SMBus/I2C)
Configuration 2
(I2S)
Configuration 3
(UART)
Configuration 4
(GPIO & FlexConnect)
PF2
DP1_VCONN1
DP1_VCONN1
DP1_VCONN1
DP1_VCONN1
PF3
DP1_VCONN2
DP1_VCONN2
DP1_VCONN2
DP1_VCONN2
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
(Note 3-1)
(Note 3-1)
(Note 3-1)
(Note 3-1)
PF9
(Note 3-1)
(Note 3-1)
(Note 3-1)
(Note 3-1)
PF10
DP2_VCONN1
DP2_VCONN1
DP2_VCONN1
DP2_VCONN1
PF11
DP2_VCONN2
DP2_VCONN2
DP2_VCONN2
DP2_VCONN2
PF12
PRT_CTL3_U3
PRT_CTL3_U3
PRT_CTL3_U3
PRT_CTL3_U3
PF13
PRT_CTL3
PRT_CTL3
PRT_CTL3
PRT_CTL3
PF14
GPIO78
I2S_SDI
UART_nCTS
GPIO78
PF15
PRT_CTL2
PRT_CTL2
PRT_CTL2
PRT_CTL2
PF16
PRT_CTL4
PRT_CTL4
PRT_CTL4
PRT_CTL4
PF17
PRT_CTL1
PRT_CTL1
PRT_CTL1
PRT_CTL1
PF18
(Note 3-1)
(Note 3-1)
(Note 3-1)
(Note 3-1)
PF19
SLV_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
GPIO91
I2S_MCLK
UART_nDTR
GPIO91
PF28
GPIO92
I2S_LRCK
UART_nDCD
GPIO92
PF29
(Note 3-1)
(Note 3-1)
(Note 3-1)
(Note 3-1)
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



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