GL826

Product Summary

The GL826 is an USB 2.0 Single Interface Flash Card Reader controller. The GL826 supports USB 2.0 high-speed transmission to Secure Digital TM (SD), SDHC, Mini SDTM, Micro SDTM , T-Flash , MultiMediaCard TM (MMC), RS MultiMediaCardTM (RS MMC), MMC Micro , HS-MMC, MMC-Mobile , Memory Stick TM (MS), Memory Stick DuoTM (MS Duo), High Speed Memory StickTM (HS MS), Memory Stick PROTM (MS PRO), Memory Stick PROTM Duo (MS PRO Duo), Memory Stick ROM, MS PRO Micro, SmartMedia TM (SM) , and xD-Picture Card TM(xD) on one chip. As a single chip solution for USB 2.0 flash card reader, the GL826 complies with Universal Serial Bus specification rev. 2.0, USB Storage Class specification ver.1.0, and flash card interface specification each.

Parametrics

GL826 absolute maximum ratings: (1)Storage Temperature: -65 to +150℃; (2)Ambient Temperature: -40 to +80℃; (3)Supply Voltage to Ground Potential: -0.5V to +4.0V; (4)DC Input Voltage to Any Pin: -0.5V to +5.8V.

Features

GL826 features: (1)USB specification compliance: Compliant with Universal Serial Bus specification rev. 2.0; Compliant with USB Mass Storage Class Bulk only Transport Specification rev. 1.0; Supports one USB device address and up to 5 endpoints, including one control, one interrupt and 2 bulk IN / OUT endpoint pairs; (2)Integrated USB building blocks: USB2.0 transceiver macro (UTM), Serial Interface Engine (SIE), embedded Power-On Reset (POR) and Low-Voltage Detector (LVD); (3)Embedded 8051 micro-controller: Operate @ 60 MHz clock, 12 clocks per instruction cycle; Embedded 64K Byte mask ROM and internal 256 byte SRAM; (4)Support firmware upgrade to external flash via USB port ( ISP: In System Programming ); (5)Embedded five power switches for power control of five cards interface: Programmable over-current detected period is from 1us to 0.64 ms; Internal pull-up/pull-down resistance I/O pad controlled by firmware; (6)On-chip 5V to 3.3V and 3.3V to 1.8V regulators; (7)On board 12 Mhz Crystal driver circuit; (8)128-pin LQFP: Support the following memory card interfaces.

Diagrams