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      > 產品資訊 > Storage Products > Card Reader Controller
      GL9750
      產品簡述

      GL9750 is a PCI Express Rev. 1.1 compliant card reader controller which integrates PCI Express PHY, memory card access interface, regulators (3.3V-to-1.2V) and card power switch.

       

      GL9750 supports various types of SD memory cards, such as Secure DigitalTM (SD), SDHC, miniSD and microSD (T-Flash), MultiMediaCardTM (MMC), RS-MMC, MMCmicro and MMCmobile. It also supports high density memory cards (Capacity up to 2TB), such as SDXC, ultra high speed memory cards, SD 3.0 UHS-I.

       

      GL9750 supports PCI Express L1 PM sub-states, Runtime D3 (RTD3), Latency Tolerance Reporting (LTR), and Optimized Buffer Flush/Fill (OBFF) for saving power consumption.


      • Compliant with PCI Express Base Specification Rev. 1.1
      • Support 1-Lane 2.5 Gbps PCI Express Bus
      • Supported memory card interfaces:
        • Secure Digital TM (SD), SDXC, SDHC, MultiMediaCard TM (MMC)
        • MMC 4-bit date mode
        • Support SD 3.0 UHS-I SDR-104 (208MHz SD clock), SDR-50 (100MHz SD clock) and DDR 50 (50MHz SD clock)
      • Support SD CPRM function
      • Support PCI Express Clock Request (CLK_REQ#)
      • Support PCI Express ASPM L0s / L1
      • Support PCI Express L1 sub-states (L1.1 and L1.2) and RTD3 (Runtime D3 cold)
      • Support PCI Express LTR (Latency Tolerance Reporting) and OBFF (Optimized Buffer Flush/Fill)
      • Support Modern Standby
      • High efficiency hardware DMA engine to improve data transfer performance
      • On-chip 3.3V to 1.2V regulator for core and analog macros
      • On-chip 3.3V power switch for SD card power (800 mA)
      • Support Over-current protection mechanism
      • Support Spread Spectrum Clock (SSC) for SD to reduce EMI effect
      • Available in QFN32 4mmx4mm package

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