USB2244 Datasheet, PDF (7/22 Pages) SMSC Corporation – Ultra Fast USB 2.0 SD/MMC Flash Media Controller

Ultra Fast USB 2.0 SD/MMC Flash Media Controller
Datasheet
Chapter 2 Block Diagram
USB
Host
PHY
SIE
BUS
CTL
INTFC
AUTO_
CBW
PROC
FMI
BUS FMDU
INTFC CTL
SD/
MMC
Media
Interface
EP0 TX
EP0 RX
BUS
INTFC
RAM
4K
total
EP1 RX
EP1 TX
EP2 RX
EP2 TX
XDATA BRIDGE
+ BUS ARBITER
RAM
10KB
ROM
64KB
ADDR
MAP
Program
Memory
I/O Bus
Clock
Generation and
Control
8051
PROCESSOR
PWR_FET1
GPIOs
GPIO10(CARD_PWR)
7 pins
SFR
RAM
Figure 2.1 USB2244/USB2244i Block Diagram
SMSC USB2244/USB2244i
7
DATASHEET
Revision 1.0 (05-27-08)