English
Language : 

MA8121K Datasheet, PDF (1/2 Pages) List of Unclassifed Manufacturers – On-Chip Clock Source to replace external 12Mhz external crystal Integrated 5V to 3.3V/1.8V Voltage Regulator
Product Brochure
V1.0 04/01/15
MA8121K
USB 2.0 SD/MMC Card Reader Controller
Description
The MA8121K is a USB 2.0 Card Reader controller by a highly integrated single chip solution
designed to deliver high-speed data transmission between USB2.0 and SD, SDHC, miniSD, Micro
SD(T-Flash), interfaces specification. The MA8121K is offered with 24QFN package.
MA8121K complies with USB specification Rev. 2.0 and USB Mass Storage Class specification
Rev. 1.0.
MA8121K integrates an on-chip clock source which provides stable clock source which can be used
to replace the external 12Mhz crystal oscillator. Manufacturers can effectively reduce the BOM and
labor cost on PCBA. MA8121K is the SD card reader with the best C/P value.
Features
 USB
 Fully compatible with USB 2.0/1.1 specification
 Support USB 2.0 specification for 480Mbit/sec and 12Mbit/sec operation
 USB Device Class Definition for Mass Storage , Bulk-Transport v1.0
 USB 2.0 Bus Power device spec. compliance
 Endpoint:
 Endpoint 0: 64 bytes control transfer.
 Endpoint 1: 512 bytes bulk transfer for IN transaction.
 Endpoint 2: 512 bytes bulk transfer for OUT transaction.
 Single Slot support for MMC/SD/MS card
 MMC/SD card support
 Support SD 1.1/2.0/SDHC, Micro SD 1.1/2.0/SDHC, Mimi SD card
 Support SD High Speed Mode
 Work with the default driver from windows 2000/XP/ME/Vista/Win7, Mac9.2, Mac OS X,
 Linux
RedHat, Linux Fedora
Prolific Technology Inc.
7F, No.48, Sec.3, Nan Kang Rd., Taipei, Taiwan 115, ROC
Tel: 886-2-2654-6363 Fax: 886-2-2654-6161
E-mail: sales@prolific.com.tw
http://www.prolific.com.tw