USB2532 datasheet(43/50 Pages) MICROCHIP

tên linh kiện	USB2532

Giải thích chi tiết về linh kiện	USB 2.0 Hi-Speed 2-Port Hub Controller

PDF	50 Pages

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nhà sản xuất	MICROCHIP [Microchip Technology]

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USB 2.0 Hi-Speed 2-Port Hub Controller

Datasheet

 2014 Microchip Technology Inc.

DS00001701A-page 43

9.5

AC Specifications

This section details the various AC timing specifications of the device.

9.5.1

Power-On Configuration Strap Valid Timing

Figure 9.2 illustrates the configuration strap timing requirements, in relation to power-on, for

applications where RESET_N is not used at power-on. The operational level (Vopp) for the external

power supply is detailed in Section 9.2, "Operating Conditions**," on page 40.

Note: For RESET_N configuration strap timing requirements, refer to Section 9.5.2, "Reset and

Configuration Strap Timing," on page 44.

Figure 9.2 Power-On Configuration Strap Valid Timing

Table 9.4 Power-On Configuration Strap Valid Timing

SYMBOL

DESCRIPTION

MIN

TYP

MAX

UNITS

tcsh

Configuration strap hold after external power supply at

operational level

1ms

External Power

Supply

Vopp

Configuration

Straps

tcsh

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