Ultra Fast USB 2.0 Multi-Format Flash Media Controller
Datasheet
Chapter 2 Block Diagram
AUTO_
CBW
PROC
SD/
MMC
USB
Host
FMI
SIE
CTL
BUS
INTFC
BUS
INTFC
FMDU
CTL
PHY
MS
xD
Multiplexed
Interface
EP0 TX
EP0 RX
BUS
INTFC
RAM
4K
total
EP1 RX
EP1 TX
EP2 RX
EP2 TX
XDATA BRIDGE
+ BUS ARBITER
PWR_FET1
GPIO10/CARD_PWR
GPIOs
8 pins
RAM
10KB
Program
Memory
I/O Bus
ADDR
MAP
ROM
64KB
Clock
Generation and
Control
SFR
RAM
8051
PROCESSOR
Figure 2.1 USB2240 Block Diagram
SMSC USB2240/USB2241
7
Revision 2.6 (05-08-08)
DATASHEET