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RTS5116
USB 2.0 Card Reader Controller with Integrated 5V/3.3V Regulator and Power MOSFET
 
General Description

The RTS5116 is a high-performance USB 2.0 card reader controller that integrates a USB 2.0 PHY, an SIE (Serial Interface Engine), an 8051 MCU, a ROM, a RAM, and a memory card controller onto a single chip. It supports access to Memory Stick™, Memory Stick PRO™, Secure Digital™ and MultiMediaCard™. The built-in high-speed USB 2.0 device controller provides a 480Mbps transfer rate and offers backward compatibility with the 12Mbps USB 1.1 specification.

Designed with an enhanced power control circuit, the RTS5116 fully complies with USB power specifications for bus-powered devices. Confirming to the USB Mass Storage Class Specification, the RTS5116 provides "plug and play" convenience without any driver installation.

The external serial EEPROM interface provides flexibility in storing a USB Vender ID, a Product ID, and also other vender content such as product information, a revision level, a serial number, etc. The four-bit EEPROM interface can be programmed to function as general-purpose I/Os.

To reduce the BOM, the RTS5116 integrates 5V to 3.3V and 3.3V to 1.8V regulators. The RTS5116 also provides 2 built-in PMOS for power control of memory cards. With limited external components required, the 48-pin LQFP packaged RTS5116 provides an ideal cost/performance ratio for high-performance USB2.0 flash memory card reader/writer applications.

 
Features
  • Compliant with Universal Serial Bus Specification Revision 2.0
  • Compliant with USB Mass Storage Class Bulk Only Transport Specification Rev. 1.0
  • Supports high-speed (480Mbps) and full-speed (12Mbps) data transfer
  • Supports USB bus-powered operation
  • Supports Control, Bulk, and Interrupt USB data pipes
  • Supports the following memory card interfaces:
    • Secure Digital ™ (SD), MultiMediaCard™ (MMC)
    • Memory Stick™ (MS), Memory Stick PRO™ (MS-PRO)
  • Supports hardware CRC (Cyclic Redundancy Check) function
  • Programmable clock rate for Flash memory card interfaces
  • Supports MS-PRO 4-bit parallel transfer mode
  • Supports MS 4-bit parallel transfer mode
  • Supports high-speed 50Mhz SD 4-bit card (version 1.1)
  • Supports high-speed 52Mhz MMC 8-bit card (version 4.x)
  • Integrated Fast 8051 microprocessor
  • External serial EEPROM interface
  • 12MHz crystal oscillator with integrated PLL
  • Built-in 5V to 3.3V regulator
  • Built-in 3.3V to 1.8V regulator
  • Built-in PMOS
  • Single 3.3V operating voltage
  • 48-pin LQFP
Applications
  • USB 2.0 Card Reader

 

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