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Ultra Fast USB 2.0 Memory Stick Flash Media Controller
Datasheet
SMSC USB2242/USB2242i 7 Revision 1.0 (05-27-08)
DATASHEET
Chapter 2 Block Diagram
Figure 2.1 USB2242/USB2242i Block Diagram
SIE
CTL
FMDU
CTL
8051
PROCESSOR
SFR
RAM
RAM
USB
Host
AUTO_
CBW
PROC
PHY
FMI
XDATA BRIDGE
+ BUS ARBITER
BUS
INTFC
BUS
INTFC
BUS
INTFC
EP0 TX
EP0 RX
EP2 TX
EP2 RX
EP1 RX
EP1 TX
ROM
64KB
RAM
10KB
ADDR
MAP
GPIOs
Program
Memory
I/O Bus
7 pins
1.8V Reg
Clock
Generation and
Control
PLL
4K
total
PWR_FET1
GPIO10(CARD_PWR)
MS
Media
Interface