Acer Aspire 7530 Aspire 7230/7530/7530G Service Guide - Page 36

Memory Card Reader Type Package Item Features Power 26 Specification Realtek RTS5158E (One-LUN USB 2.0 Card Controller) 48-pin LQFP (size= 9x9mm) • 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 • +3.3V • +3V_CARD Chapter 1