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Memory Stick

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Memory Stick is a removable flash memory card format, launched by Sony in October 1998, and is also used in general to describe the whole family of Memory Sticks. In addition to the original Memory Stick, this family includes the Memory Stick PRO, a revision that allows greater maximum storage capacity and faster file transfer speeds; Memory Stick Duo, a small-form-factor version of the Memory Stick (including the PRO Duo); and the even smaller Memory Stick Micro (M2). In December 2006 Sony added the Memory Stick PRO-HG, a high speed variant of the PRO to be used in high definition still and video cameras. Memory_Stick_Micro.jpg00056155abb.jpg
 
Pinout

Conn_memorystick_10.gif



memorystickpinout.JPG




Pin Signal Direction Description
1 VSS
2 BS IN Bus State. Indicates the Bus State (0-3) on the SDIO and the timing to start signal transfer.
3 DATA1 IN/OUT Data
4 SDIO/DATA0 IN/OUT Serial Data In-Out / Data. Transfer direction and types of data change depending on the Bus State.
5 DATA2 IN/OUT Data
6 INS OUT
7 DATA3 IN/OUT Data
8 SCLK IN Serial CLocK. A host product outputs signals on BS and SDIO af failing edge and inputs (latches) at rising edge. SCLK is always output during BS1-BS3.
9 VCC
10 VSS
 
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MAXIM Solution

Memory Card Interface Translates and Protects Signals

Abstract: This application note explains how to use the MAX13030E–MAX13035E logic-level translators as a memory-card level translator. An example circuit illustrates the advantages of the devices.

The circuit shown in Figure 1 shows how the MAX13030E–MAX13035E logic-level translator ICs translate the logic level of the memory-card signals, while protecting the signals against ESD strikes of up to ±15kV HBM (Human Body Model). The MAX13035E, for example, takes the 1.8V signals from any memory-card controller (for example, in a baseband processor, application processor, or multimedia processor) and automatically translates them to 3.3V. The device can perform the reverse process too. This circuit can be used for SD cards, MMC, Transflash® (microSD), MiniSD, MemoryStick, MemoryStick PRO, and similar memory cards.


**broken link removed**
 

MikeMl

Well-Known Member
Most Helpful Member
Have you searched the MicroController forum on this site. It was discussed there
 
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