USB2227/USB2228 4th Generation USB 2.0 Flash Media Controller with Integrated Card Power FETs Double Buffered Bulk Endpoint Highlights - Bi-directional 512 Byte Buffer for Bulk End- Complete System Solution for interfacing Smart- point 1 Media (SM) or xD Picture Card (xD) , Memory - 64 Byte RX Control Endpoint Buffer Stick (MS), High Speed Memory Stick (HSMS), - 64 Byte TX Control Endpoint Buffer Memory Stick PRO (MSPRO), MS Duo , Secure Digital (SD), Mini-Secure Digital (Mini-SD), Trans- Internal or External Program Memory Interface Flash (SD), MultiMediaCard (MMC), Reduced - 64K Byte Internal Code Space or Optional Size MultiMediaCard (RS-MMC), NAND Flash, 64K Byte External Code Space using Flash, (CF) and CF Ultra I & II, and Compact Flash SRAM or EPROM memory. CF form-factor ATA hard drives to USB 2.0 bus On Board 24Mhz Crystal Driver Circuit - Supports USB Bulk Only Mass Storage Com- Can be clocked by 48MHz external source pliant Bootable BIOS On-Chip 1.8V Regulator for Low Power Core Support for simultaneous operation of all above Operation devices. (only one at a time of each of the follow- Internal PLL for 480Mhz USB 2.0 Sampling, Con- ing groups supported: CF or ATA drive, SM or XD figurable MCU clock or NAND, SD or MMC) Supports firmware upgrade via USB bus if boot On-Chip 4-Bit High Speed Memory Stick and MS block Flash program memory is used PRO Hardware Circuitry 15 GPIOs for special function use: LED indica- On-Chip firmware reads and writes High Speed tors, button inputs, power control to memory Memory Stick and MS PRO devices, etc. 1-bit ECC correction performed in hardware for - Inputs capable of generating interrupts with maximum efficiency either edge sensitivity Hardware support for SD Security Command - Attribute bit controlled features: Extensions - Activity LED polarity/operation/blink rate On-chip power FETs for supplying flash media - Full or Partial Card compliance checking card power with minimum board components - Bus or Self Powered USB Bus Power Certified - LUN configuration and assignment 3.3 Volt I/O with 5V input tolerance on VBUS/ - Write Protect Polarity GPIO3 Complete USB Specification 2.0 Compatibility for - SmartDetach Detach from USB when no Card Inserted for Notebook apps Bus Powered Operation - Includes USB 2.0 Transceiver - Cover Switch operation for xD compliance - Inquiry Command operation - A Bi-directional Control and a Bi-directional Bulk Endpoint are provided. - SD Write Protect operation 8051 8 bit microprocessor - Older CF card support - Provides low speed control functions - Force USB 1.1 reporting - 30 Mhz execution speed at 4 cycles per - Internal or External Power FET operation instruction average Compatible with Microsoft WinXP, WinME, Win2K - 12K Bytes of internal SRAM for general pur- SP3, Apple OS10, Softconnex, and Linux Multi- pose scratchpad LUN Mass Storage Class Drivers - 768 Bytes of internal SRAM for general pur- Win2K, Win98/98SE and Apple OS8.6 and OS9 pose scratchpad or program execution while Multi-LUN Mass Storage Class Drivers available re-flashing external ROM from Microchip 128-Pin VTQFP RoHS Compliant Package (14mm x 14mm footprint, 1.0mm height) 1.xD Picture Card not applicable to USB2227 2007-2016 Microchip Technology Inc. DS00002256A-page 1USB2227/USB2228 TO OUR VALUED CUSTOMERS It is our intention to provide our valued customers with the best documentation possible to ensure successful use of your Microchip products. To this end, we will continue to improve our publications to better suit your needs. Our publications will be refined and enhanced as new volumes and updates are introduced. If you have any questions or comments regarding this publication, please contact the Marketing Communications Department via E-mail at docerrors microchip.com. We welcome your feedback. Most Current Data Sheet To obtain the most up-to-date version of this data sheet, please register at our Worldwide Web site at: