R5C853 Specifications
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The R5C853 is a single chip solution offering seven PCI functions (a PCI
bus bridge to a PC Card, an IEEE1394, an SD Card, a MultiMediaCard, a Memory Stick, an xD Picture Card, and
a Smart Card via a PC Card) with an ExpressCard (USB Interface Type) switch. Almost all the Flash Memory Cards
currently in the market, allowing system designers to flexibly configure systems necessary to interface with
multiple Flash Memory Cards.
The R5C853 uses an internal PLL for the high speed Media clock and it is yielding the high performance.
Pin-out compatible with the R5C853: R5C803 , R5C811, R5C841 , R5C843 , R5C847 |
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 Package
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R5C853: |
 CSP-208 (size=16x16,
pitch=0.8, t=1.4max unit:mm) |
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Device
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I/F
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16-bit/
32-bit
PCCard
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SD
Card
SDIO
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MMC
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MMC
plus |
MS
MSPro
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xD
Picture
Card
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Smart
Card
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IEEE
1394
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| R5C853 |
PCI Bus
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1-slot
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(*1)
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(*2)
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1 port
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*1) SD/SDIO/MMC automatic configuration functionality is supported.
*2) MMCplus 8bit data bus is supported.
Power Supply Voltage: 3.3V±0.3V
Operating Ambient Temperature Range: 0~70°C |
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| The R5C853 uses an internal PLL for the high speed Media clock. and it is yielding
the high performance. |
| Due to the originally developed hardware design, power consumption during Suspend mode
has been drastically
reduced. |
SD Card/SDIO/MMC Automatic Configuration
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| The R5C853 supports SD/SDIO/MMC automatic configuration functionality, which makes
it possible to support SD/SDIO/MMC in the same slot by use of RICOH's dedicated MMC driver. |
| The internal regulator allows 3.3V single power operation. |
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Personal computers (laptop, palmtop, stylus-operated
or tablet PC)
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Docking stations
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Car navigation systems
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PDA
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Systems with PC Card slots, etc.
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