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USB2251I Datasheet(PDF) 7 Page - Microchip Technology

No. de pieza USB2251I
Descripción Electrónicos  Ultra Fast USB 2.0 Multi-Slot Flash Media Controller
PDF  43 Pages
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Fabricante Electrónico  MICROCHIP [Microchip Technology]
Página de inicio  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

USB2251I Datasheet(HTML) 7 Page - Microchip Technology

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 2009 - 2015 Microchip Technology Inc.
DS00002005A-page 7
USB2250/50i/51/51i
3.0
BLOCK DIAGRAM
FIGURE 3-1:
USB2250/50I/51/51I BLOCK DIAGRAM
FMDU
CTL
8051
PROCESSOR
SFR
RAM
CF/
GPIO (16)
MS
SM
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
64 KB
RAM
10 KB
ADDR
MAP
PWR_FET1
PWR_FET3
CRD_PWR0
CRD_PWR1
CRD_PWR3
Clock
Generation and
Control
CRD_PWR2
SD/
MMC
4K
total
PWR_FET0
PWR_FET2
GPIOs
Program Memory I/O Bus
3.3 V
1.8 V Reg
VDD18
3.3 V
VDD18PLL
PLL
24 MHz
Crystal
SIE
CTL
1.8 V Reg
USB2250 / USB2251



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