USB2244I-AEZG-05 Standard Microsystems (SMSC), USB2244I-AEZG-05 Datasheet - Page 8

• Manufacturer Part Number: USB2244I-AEZG-05
• Manufacturer: Standard Microsystems (SMSC)

Specifications of USB2244I-AEZG-05

• Operating Supply Voltage (typ): 3.3V
• Operating Supply Voltage (min): 3V
• Operating Supply Voltage (max): 3.6V
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 36
• Lead Free Status / Rohs Status: Compliant

Chapter 3 Block Diagrams
Revision 2.0 (10-14-09)
VDD18PLL
24 MHz
Crystal
Host
USB
VDD18
3.3 V
3.3 V
Generation and
1.8 V Reg
1.8 V Reg
PHY
Control
PLL
USB2241 / 41i*
USB2240 / 40i
Clock
10 KB
64 KB
ROM
RAM
CTL
SIE
NOTE: xD-Picture Card is not applicable to USB2241/41i.
ADDR
MAP
INTFC
BUS
Figure 3.1 USB2240/40i/41/41i Block Diagram
XDATA BRIDGE
+ BUS ARBITER
PROCESSOR
8051
Ultra Fast USB 2.0 Multi-Format, SD/MMC, and MS Flash Media Controllers
DATASHEET
Program Memory I/O Bus
INTFC
INTFC
BUS
AUTO_CBW
BUS
8
PROC
FMDU
CTL
EP1 RX
EP0 TX
EP0 RX
EP1 TX
EP2 RX
EP2 TX
RAM
SFR
RAM
FMI
PWR_FET1
total
GPIOs
4K
MMC
xD*
SD/
MS
8 pins
GPIO10 / CRD_PWR
SMSC USB224x
Multiplexed
Interface
Datasheet