USB32_​1_​RXN/ USB32_​1_​RXP

I

USB 3.2 Differential Receive Pair 1: These are USB 3.2-based high-speed differential signals for Port 1. The signal should be mapped to a USB connector with one of the OC (overcurrent) signals.

USB32_​1_​TXN/ USB32_​1_​TXP

O

USB 3.2 Differential Transmit Pair 1: These are USB 3.2-based high-speed differential signals for Port 1. The signal should be mapped to a USB connector with one of the OC (overcurrent) signals.

USB32_​2_​RXN/ USB32_​2_​RXP

I

USB 3.2 Differential Receive Pair 2: These are USB 3.2-based high-speed differential signals for Port 2. The signal should be mapped to a USB connector with one of the OC (overcurrent) signals.

USB32_​2_​TXN/ USB32_​2_​TXP

O

USB 3.2 Differential Transmit Pair 2: These are USB 3.2-based high-speed differential signals for Port 2. The signal should be mapped to a USB connector with one of the OC (overcurrent) signals.

USB32_​3_​RXN/ USB32_​3_​RXP

I

USB 3.2 Differential Receive Pair 3: These are USB 3.2-based high-speed differential signals for Port 3. The signal should be mapped to a USB connector with one of the OC (overcurrent) signals.

USB32_​3_​TXN/ USB32_​3_​TXP

O

USB 3.2 Differential Transmit Pair 3: These are USB 3.2-based high-speed differential signals for Port 3. The signal should be mapped to a USB connector with one of the OC (overcurrent) signals.

USB32_​4_​RXN/ USB32_​4_​RXP

I

USB 3.2 Differential Receive Pair 4: These are USB 3.2-based high-speed differential signals for Port 4. The signal should be mapped to a USB connector with one of the OC (overcurrent) signals.

USB32_​4_​TXN/USB32_​4_​TXP

O

USB 3.2 Differential Transmit Pair 4: These are USB 3.2-based high-speed differential signals for Port 4. The signal should be mapped to a USB connector with one of the OC (overcurrent) signals.

USB32_​5_​RXN/

USB32_​5_​RXP

I

USB 3.2 Differential Receive Pair 5: These are USB 3.2-based high-speed differential signals for Port 5. The signal should be mapped to a USB connector with one of the OC (overcurrent) signals.

USB32_​5_​TXN/

USB32_​5_​TXP

O

USB 3.2 Differential Transmit Pair 5: These are USB 3.2-based high-speed differential signals for Port 5. The signal should be mapped to a USB connector with one of the OC (overcurrent) signals.

USB32_​6_​RXN/

USB32_​6_​RXP

I

USB 3.2 Differential Receive Pair 6: These are USB 3.2-based high-speed differential signals for Port 6. The signal should be mapped to a USB connector with one of the OC (overcurrent) signals.

USB32_​6_​TXN/

USB32_​6_​TXP

O

USB 3.2 Differential Transmit Pair 6: These are USB 3.2-based high-speed differential signals for Port 6 . The signal should be mapped to a USB connector with one of the OC (overcurrent) signals.

USB32_​7_​RXN/

USB32_​7_​RXP

I

USB 3.2 Differential Receive Pair 7: These are USB 3.2-based high-speed differential signals for Port 7. The signal should be mapped to a USB connector with one of the OC (overcurrent) signals.

USB32_​7_​TXN/

USB32_​7_​TXP

O

USB 3.2 Differential Transmit Pair 7: These are USB 3.2-based high-speed differential signals for Port 7. The signal should be mapped to a USB connector with one of the OC (overcurrent) signals.

USB32_​8_​RXN/

USB32_​8_​RXP

I

USB 3.2 Differential Receive Pair 8: These are USB 3.2-based high-speed differential signals for Port 8. The signal should be mapped to a USB connector with one of the OC (overcurrent) signals.

USB32_​8_​TXN/

USB32_​8_​TXP

O

USB 3.2 Differential Transmit Pair 8: These are USB 3.2-based high-speed differential signals for Port 8. The signal should be mapped to a USB connector with one of the OC (overcurrent) signals.

USB32_​9_​RXN/

USB32_​9_​RXP

I

USB 3.2 Differential Receive Pair 9: These are USB 3.2-based high-speed differential signals for Port 9. The signal should be mapped to a USB connector with one of the OC (overcurrent) signals.

USB32_​9_​TXN/

USB32_​9_​TXP

O

USB 3.2 Differential Transmit Pair 9: These are USB 3.2-based high-speed differential signals for Port 9. The signal should be mapped to a USB connector with one of the OC (overcurrent) signals.

USB32_​10_​RXN/

USB32_​10_​RXP

I

USB 3.2 Differential Receive Pair 10: These are USB 3.2-based high-speed differential signals for Port 10. The signal should be mapped to a USB connector with one of the OC (overcurrent) signals.

USB32_​10_​TXN/

USB32_​10_​TXP

O

USB 3.2 Differential Transmit Pair 10: These are USB 3.2-based high-speed differential signals for Port 10. The signal should be mapped to a USB connector with one of the OC (overcurrent) signals.

USB2P_​1/

USB2N_​1

I/O

USB 2.0 Port 1 Transmit/Receive Differential Pair 1: This USB 2.0 signal pair are routed to xHCI controller and should be mapped to a USB connector with one of the OC (overcurrent) signals.

USB2P_​2/

USB2N_​2

I/O

USB 2.0 Port 2 Transmit/Receive Differential Pair 2: This USB 2.0 signal pair are routed to xHCI controller and should be mapped to a USB connector with one of the OC (overcurrent) signals.

USB2P_​3/

USB2N_​3

I/O

USB 2.0 Port 3Transmit/Receive Differential Pair 3: This USB 2.0 signal pair are routed to xHCI controller and should be mapped to a USB connector with one of the OC (overcurrent) signals.

USB2P_​4/

USB2N_​4

I/O

USB 2.0 Port 4 Transmit/Receive Differential Pair 4: This USB 2.0 signal pair are routed to xHCI controller and should be mapped to a USB connector with one of the OC (overcurrent) signals.

USB2P_​5/

USB2N_​5

I/O

USB 2.0 Port 5 Transmit/Receive Differential Pair 5: This USB 2.0 signal pair are routed to xHCI controller and should be mapped to a USB connector with one of the OC (overcurrent) signals.

USB2P_​6/

USB2N_​6

I/O

USB 2.0 Port 6 Transmit/Receive Differential Pair 6: This USB 2.0 signal pair are routed to xHCI controller and should be mapped to a USB connector with one of the OC (overcurrent) signals.

USB2P_​7/

USB2N_​7

I/O

USB 2.0 Port 7 Transmit/Receive Differential Pair 7: This USB 2.0 signal pair are routed to xHCI controller and should be mapped to a USB connector with one of the OC (overcurrent) signals.

USB2P_​8/

USB2N_​8

I/O

USB 2.0 Port 8 Transmit/Receive Differential Pair 8: This USB 2.0 signal pair are routed to xHCI controller and should be mapped to a USB connector with one of the OC (overcurrent) signals.

USB2P_​9/

USB2N_​9

I/O

USB 2.0 Port 9 Transmit/Receive Differential Pair 9: This USB 2.0 signal pair are routed to xHCI controller and should be mapped to a USB connector with one of the OC (overcurrent) signals.

USB2P_​10/

USB2N_​10

I/O

USB 2.0 Port 10 Transmit/Receive Differential Pair 10: This USB 2.0 signal pair are routed to xHCI controller and should be mapped to a USB connector with one of the OC (overcurrent) signals.

USB2P_​11/

USB2N_​11

I/O

USB 2.0 Port 11 Transmit/Receive Differential Pair 11: This USB 2.0 signal pair are routed to xHCI controller and should be mapped to a USB connector with one of the OC (overcurrent) signals.

USB2P_​12/

USB2N_​12

I/O

USB 2.0 Port 12 Transmit/Receive Differential Pair 12: This USB 2.0 signal pair are routed to xHCI controller and should be mapped to a USB connector with one of the OC (overcurrent) signals.

USB2P_​13/

USB2N_​13

I/O

USB 2.0 Port 13 Transmit/Receive Differential Pair 13: This USB 2.0 signal pair are routed to xHCI controller and should be mapped to a USB connector with one of the OC (overcurrent) signals.

USB2P_​14/

USB2N_​14

I/O

USB 2.0 Port 14 Transmit/Receive Differential Pair 14: This USB 2.0 signal pair are routed to xHCI controller and should be mapped to a USB connector with one of the OC (overcurrent) signals.

GPP_​E9/USB_​OC0#

I

Overcurrent Indicators: This signal set the corresponding bit in the xHCI controller to indicate that an overcurrent condition has occurred.

When configured as OC# pin, a 10 kΩ pull-up resistor is required to be connected to the power-rail. When this pin is configured as GPIO, no pull-up resistor is required.

Notes:

1. OC# pins are not 5 V tolerant.
2. OC# pins can be shared between USB ports.
3. Each USB connector should only have one OC# pin protection..

GPP_​E10/USB_​OC1#

I

Overcurrent Indicators: This signal set the corresponding bit in the xHCI controller to indicate that an overcurrent condition has occurred.

When configured as OC# pin, a 10 kΩ pull-up resistor is required to be connected to the power-rail. When this pin is configured as GPIO, no pull-up resistor is required.

Notes:

1. OC# pins are not 5 V tolerant.
2. OC# pins can be shared between USB ports.
3. Each USB connector should only have one OC# pin protection..

GPP_​E11/USB_​OC2#

I

Overcurrent Indicators: This signal set the corresponding bit in the xHCI controller to indicate that an overcurrent condition has occurred.

When configured as OC# pin, a 10 kΩ pull-up resistor is required to be connected to the power-rail. When this pin is configured as GPIO, no pull-up resistor is required.

Notes:

1. OC# pins are not 5 V tolerant.
2. OC# pins can be shared between USB ports.
3. Each USB connector should only have one OC# pin protection..

GPP_​E12/USB_​OC3#

I

Overcurrent Indicators: This signal set the corresponding bit in the xHCI controller to indicate that an overcurrent condition has occurred.

When configured as OC# pin, a 10 kΩ pull-up resistor is required to be connected to the power-rail. When this pin is configured as GPIO, no pull-up resistor is required.

Notes:

1. OC# pins are not 5 V tolerant.
2. OC# pins can be shared between USB ports.
3. Each USB connector should only have one OC# pin protection..

GPP_​I11/USB_​OC4#/I2C4_​SDA

I

Overcurrent Indicators: This signal set the corresponding bit in the xHCI controller to indicate that an overcurrent condition has occurred.

When configured as OC# pin, a 10 kΩ pull-up resistor is required to be connected to the power-rail. When this pin is configured as GPIO, no pull-up resistor is required.

Notes:

1. OC# pins are not 5 V tolerant.
2. OC# pins can be shared between USB ports.
3. Each USB connector should only have one OC# pin protection..

GPP_​I12/USB_​OC5#/I2C4_​SCL

I

Overcurrent Indicators: This signal set the corresponding bit in the xHCI controller to indicate that an overcurrent condition has occurred.

When configured as OC# pin, a 10 kΩ pull-up resistor is required to be connected to the power-rail. When this pin is configured as GPIO, no pull-up resistor is required.

Notes:

1. OC# pins are not 5 V tolerant.
2. OC# pins can be shared between USB ports.
3. Each USB connector should only have one OC# pin protection..

GPP_​I13/USB_​OC6#/I2C5_​SDA

I

Overcurrent Indicators: This signal set the corresponding bit in the xHCI controller to indicate that an overcurrent condition has occurred.

When configured as OC# pin, a 10 kΩ pull-up resistor is required to be connected to the power-rail. When this pin is configured as GPIO, no pull-up resistor is required.

Notes:

1. OC# pins are not 5 V tolerant.
2. OC# pins can be shared between USB ports.
3. Each USB connector should only have one OC# pin protection..

GPP_​I14/USB_​OC7#/I2C5_​SCL

I

Overcurrent Indicators: This signal set the corresponding bit in the xHCI controller to indicate that an overcurrent condition has occurred.

When configured as OC# pin, a 10 kΩ pull-up resistor is required to be connected to the power-rail. When this pin is configured as GPIO, no pull-up resistor is required.

Notes:

1. OC# pins are not 5 V tolerant.
2. OC# pins can be shared between USB ports.
3. Each USB connector should only have one OC# pin protection..

USB_​ID1

I

ID detect for USB Device mode.

Note: This HW signal is not used on the PCH for dual role mode selection. The switching of USB port role is done through message from EC/PD over SMLink1. This signal should be connected to ground.

USB_​ID2

I

ID detect for USB Device mode.

Note: This HW signal is not used on the PCH for dual role mode selection. The switching of USB port role is done through message from EC/PD over SMLink1. This signal should be connected to ground.

USB2_​COMP1

I

USB Resistor Bias, analog connection points for an external resistor 200 Ω ± 1% connected to GND.

USB2_​COMP2

I

USB Resistor Bias, analog connection points for an external resistor 200 Ω ± 1% connected to GND.

USB32_​COMP

I

USB Resistor Bias, analog connection points for an external resistor 200 Ω ± 1% connected to GND.