Acer Aspire E1-521 Service Manual page 37

Features
Hardware Specifications and Configurations
• 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
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