USB2640 datasheet(43/60 Pages) MICROCHIP

Nome de Peças	USB2640

Descrição Electrónicos	Ultra Fast USB 2.0 Multi-Format Flash Media Controller/USB Hub Combo

PDF	60 Pages

Scroll/Zoom	100%

Fabricante Electrônico	MICROCHIP [Microchip Technology]

Página de início	http://www.microchip.com

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 2015-2021 Microchip Technology Inc.

DS00001947C-page 43

USB2640/USB2641

8.0

PIN RESET STATES

8.1

Pin Reset States

FIGURE 8-1:

PIN RESET STATES

TABLE 8-1:

LEGEND FOR PIN RESET STATES TABLE

Symbol

Description

Hardware enables function

Output low

Output high

Hardware disables function

Hardware disables output driver (high impedance)

Hardware enables pull-up

Hardware enables pull-down

Hardware controls function, but state is protocol dependent

(FW)

Firmware controls function through registers

VDD

Hardware supplies power through pin, applicable only to

CARD_PWR pin

none

Hardware disables pad

TABLE 8-2:

USB2640 PIN RESET STATES

Reset State

Pin Name

Function

Output

PU/PD

Input

USBDN_DM2

USBDN_DP2

USBDN_DM3

USBDN_DP3

6PRTCTL2

PRTCTL

Voltage

Signal (v)

Time

(t)

RESET

Hardware

Initialization

Firmware

Operational

VDD33

VSS

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