	U0909A USB2.0 9 Pin Header to SD Card Reader

Brief	Taiwan 1	Taiwan 2	China
Dimension	Taiwan 1	Taiwan 2	China
3D model	Taiwan 1	Taiwan 2	China
Selection Guide	Taiwan 1	Taiwan 2	China
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First Impression

The U0909A is a USB 2.0 SD/MMC Flash Card Reader working at USB2.0 9pin header port. It supports USB 2.0 high-speed transmission to Secure DigitalTM (SD), SDHC, SDXC, miniSD, microSD (T-Flash), MultiMediaCardTM (MMC), RS-MMC, MMCmicro, MMCmobile. The U0909A complies with Universal Serial Bus specification rev. 2.0, USB Storage Class specification ver.1.0, and SD/MMC card interface specification.

The U0909A integrates a high speed 8051 microprocessor and a high efficiency hardware engine for the best data transfer performance between USB and flash card interfaces. Use GL823 as the main chip IC.

Specifications

USB specification compliance

Comply with 480Mbps Universal Serial Bus specification rev. 2.0
Comply with USB Storage Class specification rev. 1.0 : Standard Device Driver available.

Integrated USB building blocks

USB2.0 transceiver macro (UTM), Serial Interface Engine (SIE), Build-in power-on reset (POR) and low-voltage detector (LVD)

Embedded 8051 micro-controller

Operate @ 60 MHz clock, 12 clocks per instruction cycle
Embedded mask ROM and internal SRAM

Standard Size SD Card Slot: Secure DigitalTM (SD) and MultiMediaCardTM (MMC)

Support SD specification v1.0 / v1.1 / v2.0/ SDHC (Up to 32GB)
Compatible with SDXC (Up to 2TB)
Support MMC specification v3.x / v4.0 / v4.1 / v4.2.
x1 / x4 bit data bus

Provide Over-Current protection mechanism for safety power supply for SD card.
On-Chip power MOSFETs for supplying flash media card power
Support Power Saving mode/ Selective suspend mode for better power management.
Operating system supported: Windows 7/Vista32&64/XP/2000/Me/98/98SE, Mac OS 9.X/10.X, Linux Kernel 2.4.X/2.6.X