
MOD-SD_MMC development board
User's manual
All boards produced by Olimex are ROHS compliant
Revision B, November 2013
Copyright(c) 2013, OLIMEX Ltd, All rights reserved
Page 1

INTRODUCTION:
MOD-SDMMC is module board with SD/MMC connector on it. The board
is excellent extension for development boards without SD/MMC, but with UEXT.
You can connect the board via its 10 pin cable to the UEXT of another board and enjoy the enormous variety of SD/MMC applications.
BOARD FEATURES:
UEXT connector
BAT connector
SD/MMC_SOCKET
10 pin cable for the UEXT connector
FR-4, 1.5 mm, red soldermask, component print
Dimensions:38.00 x 31.00mm (1.50 x 1.22")
ELECTROSTATIC WARNING:
The MOD-SDMMC board is shipped in protective anti-static packaging. The
board must not be subject to high electrostatic potentials. General practice for
working with static sensitive devices should be applied when working with this
board.
BOARD USE REQUIREMENTS:
Cables: The boards is shipped with 10 pin cable for the UEXT connector.
Hardware: Some of OLIMEX's boards with UEXT.
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SCHEMATIC:
You can find a searchable schematic at the web page of the MOD-SDMMC.
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BOARD LAYOUT:
POWER SUPPLY CIRCUIT:
MOD-SD_MMC can take power from:
– + 3.3V via BAT connector.
– UEXT connector
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EXTERNAL CONNECTORS DESCRIPTION:
UEXT:
Pin # Signal Name
1 3.3V
2 GND
3 WP
4 CP
5 DAT1
6 DAT2
7 MISO
8 MOSI
9 SCK
10 #SS
BAT
Pin # Signal Name
1 VCC
2 GND
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ORDER CODE:
MOD-SDMMC - assembled and tested board
How to order?
You can order directly from our web shop or via our distributors.
Check our web site https://www.olimex.com for more info.
Revision history:
Board's revision: Rev. A, April 2011
Rev. C, November 2013
Manual's revision: Rev. Initial, June 2011
Rev. B, November 2013
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Disclaimer:
© 2013 Olimex Ltd. All rights reserved. Olimex®, logo and combinations thereof, are registered
trademarks of Olimex Ltd. Other terms and product names may be trademarks of others.
The information in this document is provided in connection with Olimex products. No license, express
or implied or otherwise, to any intellectual property right is granted by this document or in
connection with the sale of Olimex products.
Neither the whole nor any part of the information contained in or the product described in this
document may be adapted or reproduced in any material from except with the prior written
permission of the copyright holder.
The product described in this document is subject to continuous development and improvements. All
particulars of the product and its use contained in this document are given by OLIMEX in good faith.
However all warranties implied or expressed including but not limited to implied warranties of
merchantability or fitness for purpose are excluded.
This document is intended only to assist the reader in the use of the product. OLIMEX Ltd. shall not
be liable for any loss or damage arising from the use of any information in this document or any error
or omission in such information or any incorrect use of the product.
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Mouser Electronics
Authorized Distributor
Click to View Pricing, Inventory, Delivery & Lifecycle Information:
Olimex Ltd.:
MOD-SDMMC