USB224X datasheet(39/43 Pages) MICROCHIP

部件名	USB224X

功能描述	Ultra Fast USB 2.0 Multi-Format, SD/MMC, and MS Flash Media Controllers

PDF	43 Pages

Scroll/Zoom	100%

制造商	MICROCHIP [Microchip Technology]

网页	http://www.microchip.com

标志

39 / 43 page

 2010 - 2015 Microchip Technology Inc.

DS00001979A-page 39

USB224X

APPENDIX A:

DATA SHEET REVISION HISTORY

TABLE A-1:

REVISION HISTORY

REVISION

SECTION/FIGURE/ENTRY

CORRECTION

DS00001979A (07-13-15)

Replaces previous SMSC version Rev. 2.1 (02-07-13)

GPIOs and SDIO support removed

USB2242 removed

Rev. 2.1

(02-07-13)

Document co-branded: Microchip logo added to cover; company disclaimer

modified.

Added the following to the ordering information: “Please contact your SMSC sales

representative for additional documentation related to this product such as

application notes, anomaly sheets, and design guidelines.”

Rev 2.1

(12-22-10)

Chapter 3, Figure 3.1, 3.2,

and 3.3

Upgraded to put the mux for the multiplexed

interface inside the part, put in a SPI interface for

outside access to the Program Memory I/O bus.

Rev 2.1

(11-23-10)

Chapter 6, Table 6.1

Removed “ It may not be used to drive any

external circuitry other than the crystal circuit” from

the XTAL2 description.

Rev. 2.1

(10-21-10)

Chapter 11, Table 11.3

Changed the active level from L to H for GPIO6.

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