GL827 USB 2.0 Single Slot Card Reader Controller
CHAPTER 1 GENERAL DESCRIPTION
The GL827 is USB 2.0 Single Interface Flash Card Reader controller. It supports USB 2.0 high-speed
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transmission to Secure Digital (SD), SDHC, Mini SD
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, Micro SD
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, T-Flash , MultiMediaCard (MMC),
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RS MultiMediaCard
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(RS MMC), MMC Micro , HS-MMC, MMC-Mobile , Memory Stick (MS), Memory
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Stick Duo
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(MS Duo), High Speed Memory Stick
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(HS MS), Memory Stick PRO (MS PRO), Memory
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Stick PRO
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Duo (MS PRO Duo), Memory Stick ROM, MS PRO Micro, SmartMedia (SM) , and
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xD-Picture Card
(xD) on one chip. As a single chip solution for USB 2.0 flash card reader, the GL827
complies with Universal Serial Bus specification rev. 2.0, USB Storage Class specification ver.1.0, and flash card
interface specification each.
The GL827 can support different kinds of interfaces in single slot. For the best performance consideration,
the GL827 integrates high efficiency card interface hardware engine for data transfer. The GL827 also
supports firmware upgrade via USB interface (100 Pin LQFP), and external flash read/ write for firmware
upgrade and other applications.
The GL827 pin assignment design fits to card sockets to provide easier PCB layout. 100 Pin LQFP
(14mmx14mm), 48 Pin LQFP/LQFN (7mm x 7mm), QFN24 (4mm x 4mm), SSOP28 (150mil) are available
package types.
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