Ultra Fast USB 2.0 Memory Stick Flash Media Controller

Datasheet

Chapter 2 Block Diagram

USB

HostPHY SIE CTL

BUS

INTFC

AUTO_

CBW

PROC

BUS FMDU INTFC CTL

FMI

Media

MSInterface

PLL 1.8V Reg

RAM 10KB

ROM 64KB

Clock

Generation and

Control

XDATA BRIDGE + BUS ARBITER

ADDR

Program

Memory

MAP

I/O Bus

 

 

 

8051 PROCESSOR

EP0 TX

EP0 RX

BUS RAM INTFC

EP1 RX

EP1 TX

EP2 RX

EP2 TX

SFR

RAM

4K total

PWR_FET1

 

 

 

 

 

 

 

GPIO10(CARD_PWR)

GPIOs

 

 

7 pins

 

 

 

 

 

Figure 2.1 USB2242/USB2242i Block Diagram

SMSC USB2242/USB2242i

7

Revision 1.0 (05-27-08)

DATASHEET