GPIO5 datasheet(10/60 Pages) MICROCHIP

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USB5806

DS00002236D-page 10

 2016-2018 Microchip Technology Inc.

The pin reset state definitions are detailed in Table 3-1.

3.3

USB5806 Pin Descriptions

This section contains descriptions of the various USB5806 pins. The pin descriptions have been broken into functional

groups as follows:

• USB 3.1 Gen 1 Pin Descriptions

• USB 2.0 Pin Descriptions

• Port Control Pin Descriptions

• SPI Interface

• USB Type-C Connector Controls

• Miscellaneous Pin Descriptions

• Configuration Strap Pin Descriptions

• Power and Ground Pin Descriptions

The “_N” symbol in the signal name indicates that the active, or asserted, state occurs when the signal is at a low voltage

level. For example, RESET_N indicates that the reset signal is active low. When “_N” is not present after the signal

name, the signal is asserted when at the high voltage level.

The terms assertion and negation are used exclusively. This is done to avoid confusion when working with a mixture of

“active low” and “active high” signal. The term assert, or assertion, indicates that a signal is active, independent of

whether that level is represented by a high or low voltage. The term negate, or negation, indicates that a signal is inac-

tive.

TABLE 3-1:

PIN RESET STATE LEGEND

Symbol

Description

A/P

Analog/Power Input

Reset Control Input

Hardware disables output driver (high impedance)

PU-50k

Hardware enables internal 50kΩ pull-up

PD-50k

Hardware enables internal 50kΩ pull-down

PD-15k

Hardware enables internal 15kΩ pull-down

PD-1M

Hardware enables internal 1M pull-down

TABLE 3-2:

USB 3.1 GEN 1 PIN DESCRIPTIONS

Name

Symbol

Buffer

Type

Description

USB 3.1 Gen 1

Upstream D+ TX

USB3UP_TXDP

I/O-U

Upstream USB 3.1 Gen 1 Transmit Data Plus

USB 3.1 Gen 1

Upstream D- TX

USB3UP_TXDM

I/O-U

Upstream USB 3.1 Gen 1 Transmit Data Minus

USB 3.1 Gen 1

Upstream D+ RX

USB3UP_RXDP

I/O-U

Upstream USB 3.1 Gen 1 Receive Data Plus

USB 3.1 Gen 1

Upstream D- RX

USB3UP_RXDM

I/O-U

Upstream USB 3.1 Gen 1 Receive Data Minus

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