Breakout Board for SD-MMC Cards

Product Description

Description: With SD and MMC memory prices dropping, the time is right for mass storage and datalogging. This breakout board will allow you to breakout the SD/MMC socket to a standard .1" 11-pin header. Perfect for breadboarding and the likes. Board comes fully assembled and tested as shown.



This is the new Push-Push type socket. The board has 11 pins:

• 
  COM : Common - Connects to the housing


• 
  WP : Write Protect Detect Switch


• 
  CD : Card Detect Switch


• 
  P9 : Not used in SPI Mode (Pin 9 on SD Card)


• 
  IRQ : Not used in SPI mode (Pin 8 on SD Card)


• 
  DO : Serial Data Out


• 
  GND : Ground - Connect this to COM to ground the housing


• 
  CLK : Serial Clock


• 
  VCC : 3.3V Power


• 
  DI : Serial Data In


• 
  CS : Chip Select

It is recommended that you connect the COM pin to GND if you plan to use the CD or WP pins.

Dimensions: 1.3x1.5"

Documents:

• 
  Schematic


• 
  Eagle Files


• 
  SD Socket Datasheet


• 
  Simplified SD Specification


• 
  Maxim App Note using the MAXQ2000


• 
  App note from Kronos Robotics