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USB2232-NU-03 Datasheet(PDF) 1 Page - SMSC Corporation |
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USB2232-NU-03 Datasheet(HTML) 1 Page - SMSC Corporation |
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1 / 26 page  SMSC USB2231/USB2232 DATASHEET Revision 1.3 (07-12-05) Datasheet PRODUCT FEATURES USB2231/USB2232 5th Generation Hi-Speed USB Flash Media and CIR Controller with Integrated Card Power FETs CIR Controller ■ Consumer IR (CIR) Controller with support for all popular CIR formats. Flash Media Controller ■ Complete System Solution for interfacing SmartMediaTM (SM) or xD Picture CardTM (xD)1, Memory StickTM (MS), High Speed Memory Stick (HSMS), Memory Stick PRO (MSPRO), MS DuoTM, Secure Digital (SD), High Speed SD, Mini-Secure Digital (Mini-SD), TransFlash (SD), MultiMediaCardTM (MMC), Reduced Size MultiMediaCard (RS-MMC), NAND Flash, Compact FlashTM (CF) and CF UltraTM I & II, and CF form- factor ATA hard drives to Hi-Speed USB — 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 ■ Hardware support for SD Security Command Extensions ■ On-chip power FETs with short circuit protection for supplying flash media card power ■ USB Bus Power Certified ■ 3.3 Volt I/O with 5V input tolerance on VBUS/GPIO3 ■ Complete USB Specification 2.0 Compatibility for Bus Powered Operation — Includes Hi-Speed USB Transceiver — A Bi-directional Control and two Bi-directional Bulk Endpoints are provided. ■ 8051 8 bit microprocessor — Provides low speed control functions — 30 Mhz execution speed at 1 clock per instruction cycle 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 — Two, Double Buffered Bulk Endpoints — Two, Bi-directional 512 Byte Buffers for Bulk Endpoints — 64 Byte RX Control Endpoint Buffer — 64 Byte TX Control Endpoint Buffer ■ Internal or External Program Memory Interface — 76K Byte Internal Code Space or Optional 128K Byte External Code Space using Flash, SRAM or EPROM memory. ■ On Board 24Mhz Crystal Driver Circuit ■ Can be clocked by 48MHz external source ■ On-Chip 1.8V Regulator for Low Power Core Operation ■ Internal PLL for 480Mhz Hi-Speed USB Sampling, Configurable MCU clock ■ Supports firmware upgrade via USB bus if “boot block” Flash program memory is used ■ 12 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 —SmartDetachTM - Detach from USB when 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 — Internal or External Power FET operation ■ 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 Package (1.0mm height, 14mmx14mm footprint); green, lead-free package also available. 1.xD Picture Card not applicable to USB2231 |
Similar Part No. - USB2232-NU-03 |
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Similar Description - USB2232-NU-03 |
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