GL828 USB 2.0 SD/MMC Single Slot Card Reader Controller
CHAPTER 2 FEATURES
USB specification compliance
- Comply with 480Mbps Universal Serial Bus specification rev. 2.0.
- Comply with USB Storage Class specification rev. 1.0.
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Support 1 device address and up to 4 endpoints: Control (0)/ Bulk Read (1)/ Bulk Write (2)/Interrupt (3).
Integrated USB building blocks
- USB2.0 transceiver macro (UTM), Serial Interface Engine (SIE), Build-in power-on reset (POR) and
low-voltage detector (LVD)
Embedded 8051 micro-controller
- Operate @ 60 MHz clock, 12 clocks per instruction cycle
- Embedded 48K Byte mask ROM and internal 256 byte SRAM
- Embedded 4K Byte external SRAM
- Support up to external 48K code ROM
Secure Digital and MultiMediaCard
- Supports SD specification v1.0 / v1.1 / v2.0
- Supports MMC specification v3.X / v4.0 / v4.1 / v4.2.
- x1 / x4 / x8 data transmission.
- Automatic CRC7 generation for command and CRC7 verification for response on CMD
- Support automatic CRC16 generation and verification on DAT0:7
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In addition to full packet transaction, optional single byte / bit operation on both CMD and DAT line / lines
TM
TM
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Process data in block or byte
On board 12 MHz Crystal driver circuit or 12/48 MHz Clock input.
On-Chip 5V to 3.3V regulator. No external regulator required.
On-Chip power MOSFETs for supplying flash media card power.
Available in 48 Pin LQFP/LQFN (7x7 mm) package
©2000-2006 Genesys Logic Inc. - All rights reserved.
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