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USB2224 数据表(PDF) 1 Page - SMSC Corporation |
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USB2224 数据表(HTML) 1 Page - SMSC Corporation |
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1 / 20 page  SMSC USB2224 Page 1 Revision 1.3 (06-13-06) DATASHEET USB2224 Bus Powered USB2.0 Flash Media Controller Datasheet Product Features Complete System Solution for interfacing SmartMedia TM (SM) or xD Picture CardTM (xD), Memory Stick TM (MS), High Speed Memory Stick (HSMS), Memory Stick PRO (MSPRO), MS Duo TM, Secure Digital (SD), Mini-Secure Digital (Mini-SD), Transflash (SD), MultiMediaCard TM (MMC), Reduced Size Multimedia Card (RS- MMC), NAND Flash, Compact Flash TM (CF), CF Ultra TM I & II and CF form-factor ATA hard drives to USB2.0 bus. − Supports USB Bulk Only Mass Storage Compliant Bootable BIOS Support for simultaneous operation of all above devices. (only one at a time of each of the following groups supported: CF or ATA drive, SM or XD or NAND, SD or MMC) On-Chip 4-Bit High Speed Memory Stick and MS PRO Hardware Circuitry On-Chip firmware reads and writes High Speed Memory Stick and MS PRO 1-bit ECC correction performed in hardware for maximum efficiency USB Bus Power Certified 3.3 Volt I/O with 5V input tolerance Complete USB Specification 2.0 Compatibility for Bus Powered Operation − Includes USB2.0 Transceiver − A Bi-directional Control and a Bi-directional Bulk Endpoint are provided. 8051 8 bit microprocessor − Provides low speed control functions − 30 Mhz execution speed at 4 cycles per instruction average − 12K Bytes of internal SRAM for general purpose scratchpad − 768 Bytes of internal SRAM for general purpose scratchpad or program execution while re-flashing external ROM Double Buffered Bulk Endpoint − Bi-directional 512 Byte Buffer for Bulk Endpoint − 64 Byte RX Control Endpoint Buffer − 64 Byte TX Control Endpoint Buffer Internal or External Program Memory Interface − 64K Byte Internal Code Space or Optional 64K Byte External Code Space using Flash, SRAM or EPROM memory. On Board 12Mhz Crystal Driver Circuit On-Chip 1.8V Regulator for Low Power Core Operation Internal PLL for 480Mhz USB2.0 Sampling, Configurable MCU clock Supports firmware upgrade via USB bus if “boot block” Flash program memory is used 15 GPIOs for special function use: LED indicators, button inputs, power control to memory devices, etc. − Inputs capable of generating interrupts with either edge sensitivity − Attribute bit controlled features: − Activity LED polarity/operation/blink rate − Full or Partial Card compliance checking − Bus or Self Powered − LUN configuration and assignment − Write Protect Polarity − Detach on no Card Inserted for Notebook apps − Cover Switch operation for xD compliance − Inquiry Command operation − SD Write Protect operation − Older CF card support − Force USB 1.1 reporting Compatible with Microsoft WinXP, WinME, Win2K SP3, Apple OS10, Softconnex, and Linux Multi-LUN Mass Storage Class Drivers Win2K, Win98/98SE and Apple OS8.6 and OS9 Multi-LUN Mass Storage Class Drivers available from SMSC 128 Pin TQFP Green, Lead-free Package (1.0mm height, 14mm x14mm footprint) |
类似零件编号 - USB2224 |
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类似说明 - USB2224 |
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