Electronic Components Datasheet Search
  English  ▼

Delete All
ON OFF
ALLDATASHEET.COM

X  

Preview PDF Download HTML

USB2231 Datasheet(PDF) 1 Page - SMSC Corporation

Part No. USB2231
Description  5th GENERATION HI-SPEED USB FLASH MEDIA AND CIR CONTROLLER WITH INTEGRATED CARD POWER FETs
Download  26 Pages
Scroll/Zoom Zoom In 100% Zoom Out
Maker  SMSC [SMSC Corporation]
Homepage  http://www.smsc.com
Logo 

USB2231 Datasheet(HTML) 1 Page - SMSC Corporation

 
Zoom Inzoom in Zoom Outzoom out
 1 / 26 page
background image
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


Html Pages

1  2  3  4  5  6  7  8  9  10  11  12  13  14  15  16  17  18  19  20  21  22  23  24  25  26 


Datasheet Download




Link URL




Privacy Policy
ALLDATASHEET.COM
Does ALLDATASHEET help your business so far?  [ DONATE ]  

About Alldatasheet   |   Advertisement   |   Datasheet Upload   |   Contact us   |   Privacy Policy   |   Alldatasheet API   |   Link Exchange   |   Manufacturer List
All Rights Reserved© Alldatasheet.com


Mirror Sites
English : Alldatasheet.com  |   English : Alldatasheet.net  |   Chinese : Alldatasheetcn.com  |   German : Alldatasheetde.com  |   Japanese : Alldatasheet.jp
Russian : Alldatasheetru.com  |   Korean : Alldatasheet.co.kr  |   Spanish : Alldatasheet.es  |   French : Alldatasheet.fr  |   Italian : Alldatasheetit.com
Portuguese : Alldatasheetpt.com  |   Polish : Alldatasheet.pl  |   Vietnamese : Alldatasheet.vn