USB2250-NU-05 SMSC, USB2250-NU-05 Datasheet - Page 9

• Manufacturer Part Number: USB2250-NU-05
• Description: IC CTRLR USB2.0 FLASH 128VTQFP
• Manufacturer: SMSC

Specifications of USB2250-NU-05

• Controller Type: FlashMedia Controller
• Interface: Serial
• Voltage - Supply: 3 V ~ 3.6 V
• Current - Supply: 165mA
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 128-TQFP, 128-VQFP
• Operating Supply Voltage: 3.3 V
• Mounting Style: SMD/SMT
• Operating Temperature Range: 0 C to + 70 C
• Supply Current: 80 mA
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 638-1088

Ultra Fast USB 2.0 Multi-Slot Flash Media Controller
Datasheet
Chapter 4 Block Diagram
SMSC USB2250/50i/51/51i
VDD18PLL
24 MHz
Crystal
Host
USB
VDD18
3.3 V
3.3 V
Generation and
1.8 V Reg
USB2250 / USB2251
1.8 V Reg
PHY
Control
PLL
Clock
10 KB
64 KB
ROM
RAM
CTL
SIE
ADDR
MAP
INTFC
BUS
Figure 4.1 USB2250/50i/51/51i Block Diagram
XDATA BRIDGE
+ BUS ARBITER
PROCESSOR
8051
DATASHEET
Program Memory I/O Bus
INTFC
INTFC
BUS
AUTO_CBW
BUS
9
PROC
FMDU
CTL
EP0 RX
EP1 RX
EP1 TX
EP2 RX
EP2 TX
EP0 TX
RAM
SFR
RAM
FMI
PWR_FET1
PWR_FET2
PWR_FET3
PWR_FET0
total
GPIOs
4K
GPIO (16)
MMC
MS
SM
SD/
CF/
11 pins
Revision 2.0 (09-29-09)
GPIO10 / CRD_PWR2
GPIO11 / CRD_PWR3
GPIO8 / CRD_PWR0
GPIO9 / CRD_PWR1