Acer 522 Laptop User Manual


 
Hardware Specifications and Configurations 1-41
Card Reader
Item Specification
Chipset ENE UB6252
Package 32 Pin QFN
Maximum supported size SD card: SD Memory Card Specification Version 2.0
xD card: Compliant with xD-Picture Card Specification Version 1.2
MMC card: MultiMedia Card Specification Version 4.2
MS Pro: Memory Stick PRO Format Specification Version 1.x
Features
32 Pin QFN
Built-in 250mA Power MOS for memory card
Over Current Protection and Over Temperature Protection
Built-in LDO
Power Saving
Power Down when no memory card is inserted
Power Idle (Selective Suspend)
USB Interface
Compliant with Universal Serial Bus Specification Revision 2.0
Compliant with Universal Serial Bus Mass Storage Class Bulk-Only
Transport Specification Revision 1.0
Support both High-Speed (480 Mbps) and Full-Speed (12
Mbps) Data Transfer
Embedded High Speed/Full Speed Transceiver
Clock source: 12MHz crystal
Secure Digital/MultiMedia Card Interface
Compliant with SD Memory Card Specification Version 2.0
Compliant with MultiMedia Card Specification Version 4.2
Support High Speed SD 4-bit Data Transfer Mode
Support High Speed MMC 8-bit Data Transfer Mode
Support Write Protection Switch
Memory Stick Interface
Compliant with Memory Stick PRO Format Specification Version
1.x
Compliant with Memory Stick PRO-HG Duo Format
Specification Version 1.x
Support 4-bit and 8-bit Parallel Data Transfer Mode
xD- Picture Card Interface
Compliant with xD-Picture Card Specification Version 1.2
(support multi-plane)
Support Hardware ECC (1-bit correction and 2-bits detection)
Generation