Aspire Digital 7230 Laptop User Manual


 
26 Chapter 1
Memory Card Reader
Item Specification
Type Realtek RTS5158E (One-LUN USB 2.0 Card Controller)
Package 48-pin LQFP (size= 9x9mm)
Features
The RTS5158E is an ultimate throughput USB 2.0 compliant
card reader controller that integrates USB 2.0 Transceiver,
MCU, SIE, regulators and memory card access units into a
single chip.
The RTS5158E can support Memory Stick, Memory Stick Pro,
Memory Stick PRO-HG Duo, Secure Digital, Multi-Media Card
and xD-Picture Card, but only 1-LUN configuration, i.e.only one
of these memory cards can be inserted into RTS5158E system
at the same time.·
Compliant with Universal Serial Bus Specification Revision 2.0·
Compliant with USB Mass Storage Class Bulk only Transport
Specification Rev. 1.0·
Support High-speed (480Mbps) and Full-speed (12Mbps) Data
Transfer·
USB bus power operation·
Support Control, Bulk IN / OUT data pipes·
Support the following memory card interfaces:
Secure Digital™ (SD),
MultiMediaCard™ (MMC),
Mini-SD, Micro-SD (T-flash),
RS-MMC,Mobile-MMC and MMC-micro-Memory Stick™
(MS),
Memory Stick PRO™ (MS-PRO),
MS Duo, MS-PRO Duo and Micro-MS (M2)-MSPRO-HG
Duo 8-bit mode
xD-Picture Card™ (xD) including Type M and Type H·
Support hardware ECC (Error Correction Code) function·
Support hardware CRC (Cyclic Redundancy Check) function·
Programmable clock rate for flash memory card interfaces·
Support MS-PRO v1.02·
Support MS v1.43·
Support MS PRO-HG Duo v1.01·
Support SD version 2.0· Support MMC version 4.2·
Support xD v1.2·
Integrated Fast 8051 microprocessor·
External serial EEPROM interface·
12MHz crystal oscillator with integrated PLL·
Support 48Mhz directly input from clock generator·
On chip 3.3V to 1.8V regulator·
On chip MOSFET with 250mA capability for direct power control
of all types memory cards·
Support Spread Spectrum Clock for SD/MMC and MS/MSPRO/
HG to reduce EMI effect·
Support USB remote wake-up ability with memory card inserted
and removal operation·
Provide Selective Suspend driver to reduce power
consumption·
48-pin LQFP package
Power
+3.3V
+3V_CARD