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Ricoh MMC Host Controller
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Applies to:

Ricoh MMC Host Controller driver for Ricoh R5C807




Input/ Output Devices


Windows Vista 32-bit

File Size:

2.4 MB

File Name:


Release Date:



Last Updated:



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  • Power Supply Voltage: 3.3V ? 0.3V
  • Operating Ambient Temperature Range: -40 ~ 85?C
  • Interface: Universal Bus
  • Low Power Consumption
  • Dimensions: 14 x 14 (MM)


Ricoh MMC Host Controller Driver is used to provide functionality to Ricoh bus controllers and ports like the R5C807, which is a MMC (MultiMediaCard) Host Controller that creates a high performance bridge between a flash memory card and host interface e.g. a universal memory bus. It is a single chip solution and supports most of the flash memory cards that are available in the market today. This includes SD Cards, xD Cards, Memory Sticks, Compact Flash Cards and Multimedia Memory Cards. The device can be used ina variety of devices like PDAs, GPRS systems, music players, ebook readers and more. It's a flexible device that can interface with many different hosts ? all it takes to change the interface mode is a simple setting of the external pins.

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A flash memory card controller like the device in question is a chip that can help a MMC reader read a variety of types of memory cards. MMCs were first introduced in 1997 and were much smaller than previous similar memory devices. Some of the older MMCs have a single bit serial interface, but newer once are powered with four or even eight bit interfaces, making them much faster. They can be of various capacities, going up to 32 GB in size and are based on an open standard which is why they are still used widely all over the world in spite of the introduction and growing popularity of SD cards.