Acer Aspire E1-521 Acer Aspire E1-521 Notebook Service Guide - Page 37

Features • Compliant with MultiMediaCard System Specification version 4.4 • Compliant with Memory Stick XC Duo Format Specification Version 1.00-00 • Compliant with Memory Stick XC-HG Duo Format Specification Version 1.00-00 • Compliant with Memory Stick XC Micro Format Specification Version 1.00-00 • Compliant with Memory Stick XC-HG Micro Format Specification Version 1.00-00 • Compliant with Memory Stick PRO-HG Duo Format Specification Version 1.03-00 • Compliant with Memory Stick HG Micro Format Specification Version 1.00-00 • Compliant with Memory Stick PRO Standard Format Specification Version 1.05-00 • Compliant with Memory Stick Standard Format Specification Version 1.43 • Compliant with xD-Picture Card Specifications Version 1.2 • Support the following memory card interfaces: • Secure Digital TM (SD), SDXC, SDHC, MultiMediaCard TM (MMC), Mini-SD, Micro-SD (T-flash), RS-MMC, Mobile-MMC and MMC-micro • MMC 8-bit date mode • SDXC and MSXC up to 2TB • Support SD3.0 SDR-104 (208MHz SD clock), SDR-50 (100MHz SD clock) and DDR 50 (50MHz SD clock) • Memory Stick TM (MS), Memory Stick PROTM (MS-PRO), MS Duo, MS-PRO Duo and Micro-MS (M2) • MSPRO-HG Duo 8-bit date mode • xD-Picture Card TM (xD) includes Type M+, Type M and Type H • Support hardware ECC (Error Correction Code) function • Support hardware CRC (Cyclic Redundancy Check) function • On chip 800ma MOSFET (for 1st LUN) for direct power control of all types memory cards • On chip 400ma MOSFET (for 2nd LUN) for direct power control of MSXC card. • Support SD CPRM function and Memory Stick Pro MagicGate function • Support MSXC Power Class 0,1 and 2 • Support Memory Stick Pro MS Formatter function • Support PCI Express Clock Request (CLK_REQ#) to save power consumption • Built-in variable sampling clock generator to determine correct sampling point for SD3.0 UHS card. • Support ASPM L0s/L1 to save power consumption • Support Auto-Delink mode to save power consumption • Programmable Subsystem ID and Subsystem Vendor ID without an external EEPROM • Support Spread Spectrum Clock for SD/MMC and MS/ MSPRO/HG to reduce EMI effect • 48-pin LQFP package Hardware Specifications and Configurations 1-30