USB2227 datasheet(1/25 Pages) MICROCHIP

部件名	USB2227

功能描述	4th Generation USB 2.0 Flash Media Controller with Integrated Card Power FETs

PDF	25 Pages

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制造商	MICROCHIP [Microchip Technology]

网页	http://www.microchip.com

标志

1 / 25 page

 2007-2016 Microchip Technology Inc.

DS00002256A-page 1

Highlights

• Complete System Solution for interfacing Smart-

Media™ (SM) or xD Picture Card™ (xD)1, Memory

Stick® (MS), High Speed Memory Stick (HSMS),

Memory Stick PRO (MSPRO), MS Duo™, Secure

Digital (SD), Mini-Secure Digital (Mini-SD), Trans-

Flash (SD), MultiMediaCard™ (MMC), Reduced

Size MultiMediaCard (RS-MMC), NAND Flash,

Compact Flash® (CF) and CF Ultra™ I & II, and

CF form-factor ATA hard drives to USB 2.0 bus

- Supports USB Bulk Only Mass Storage Com-

pliant Bootable BIOS

• Support for simultaneous operation of all above

devices. (only one at a time of each of the follow-

ing 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 for supplying flash media

card power with minimum board components

• 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 USB 2.0 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 pur-

pose scratchpad

- 768 Bytes of internal SRAM for general pur-

pose scratchpad or program execution while

re-flashing external ROM

• Double Buffered Bulk Endpoint

- Bi-directional 512 Byte Buffer for Bulk End-

point

- 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 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 USB 2.0 Sampling, Con-

figurable MCU clock

• Supports firmware upgrade via USB bus if “boot

block” Flash program memory is used

• 15 GPIOs for special function use: LED indica-

tors, 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

- SmartDetach 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 Microchip

• 128-Pin VTQFP RoHS Compliant Package

(14mm x 14mm footprint, 1.0mm height)

1.xD Picture Card not applicable to USB2227

USB2227/USB2228

4th Generation USB 2.0 Flash Media Controller with

Integrated Card Power FETs

类似零件编号 - USB2227

制造商	部件名	数据表	功能描述
SMSC Corporation	USB2227	919Kb / 26P	4TH GENERATION USB2.0 FLASH MEDIA CONTROLLER WITH INTEGRATED CARD POWER FETS
	USB2227	949Kb / 27P	4th Generation USB2.0 Flash Media Controller with Integrated Card Power FETs
	USB2227	172Kb / 5P	Flash Card Reader Media Power Considerations
	USB2227-AHZS-XX	949Kb / 27P	4th Generation USB2.0 Flash Media Controller with Integrated Card Power FETs
	USB2227-NE-XX	919Kb / 26P	4TH GENERATION USB2.0 FLASH MEDIA CONTROLLER WITH INTEGRATED CARD POWER FETS

More results

类似说明 - USB2227

制造商	部件名	数据表	功能描述
SMSC Corporation	USB2227	919Kb / 26P	4TH GENERATION USB2.0 FLASH MEDIA CONTROLLER WITH INTEGRATED CARD POWER FETS
	USB2601	710Kb / 26P	4TH GENERATION USB2.0 FLASH MEDIA CONTROLLER WITH INTEGRATED CARD POWER FETS AND HS HUB
	USB2229	1,008Kb / 27P	5TH GENERATION HI-SPEED USB FLASH MEDIA & IrDA CONTROLLER WITH INTEGRATED CARD POWER FETs
	USB2231	937Kb / 26P	5th GENERATION HI-SPEED USB FLASH MEDIA AND CIR CONTROLLER WITH INTEGRATED CARD POWER FETs
	USB2227	949Kb / 27P	4th Generation USB2.0 Flash Media Controller with Integrated Card Power FETs
	USB2229	687Kb / 27P	5th Generation Hi-Speed USB Flash Media and IrDA Controller with Integrated Card Power FETs
	USB2601	430Kb / 26P	4th Generation USB2.0 Flash Media Controller with Integrated Card Power FETs and HS Hub
	USB2226	334Kb / 23P	4th Generation USB 2.0 Flash Media Controller with Integrated Card Power FETs
Microchip Technology	USB2601	272Kb / 30P	4th Generation USB 2.0 Flash Media Controller with Integrated Card Power FETs & HS Hub 07/14/15
Microchip Technology	USB2229	374Kb / 28P	5th Generation Hi-Speed USB Flash Media and IrDA Controller with Integrated Card Power FETs 06/23/16