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USB2227 Scheda tecnica(PDF) 19 Page - SMSC Corporation

Il numero della parte USB2227
Spiegazioni elettronici  4th Generation USB2.0 Flash Media Controller with Integrated Card Power FETs
PDF  27 Pages
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Produttore elettronici  SMSC [SMSC Corporation]
Homepage  http://www.smsc.com
Logo SMSC - SMSC Corporation

USB2227 Scheda tecnica(HTML) 19 Page - SMSC Corporation

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4th Generation USB2.0 Flash Media Controller with Integrated Card Power FETs
Datasheet
SMSC USB2227/USB2228
19
Revision 1.91 (10-13-06)
DATASHEET
GPIO7
107
A54
I/O8
General Purpose I/O:
This pin may be used either as input, edge sensitive
interrupt input, or output.
GPIO8/
CRD_PWR0
42
B20
I/O8
General Purpose I/O or Card Power:
GPIO: This pin may be used either as input, edge
sensitive interrupt input, or output.
CRD_PWR: Card Power drive of 3.3V @ 100mA.
GPIO9
105
B50
I/O8
General Purpose I/O:
This pin may be used either as input, edge sensitive
interrupt input, or output.
GPIO10/
CRD_PWR1
79
A40
I/O8
General Purpose I/O or Card Power:
GPIO: These pins may be used either as input, edge
sensitive interrupt input, or output.
CRD_PWR: Card Power drive of 3.3V @ 100mA.
GPIO11/
CRD_PWR2
44
B21
I/O8
General Purpose I/O or Card Power:
GPIO: This pin may be used either as input, edge
sensitive interrupt input, or output.
CRD_PWR: Card Power drive of 3.3V @ 200mA.
GPIO[15:12]
90
91
92
93
B42
A46
B43
A47
I/O8
General Purpose I/O:
These pins may be used either as input, or output.
nRESET
115
B54
IS
RESET input:
This active low signal is used by the system to reset the
chip. The active low pulse should be at least 1
μs wide.
nTEST[1:0]
95
96
A48
B45
I
TEST input:
These signals are used for testing the chip. User should
normally tie them high externally, if the test function is
not used.
DIGITAL POWER, GROUNDS, and NO CONNECTS
VDD18
49
106
B23
A53
1.8v Digital Core Power:
+1.8V Core power
All VDD18 pins must be connected together on the
circuit board.
VDD33
3
43
80
100
108
B2
A22
B38
A50
B51
3.3v Power & Voltage Regulator Input:
3.3V Power & Regulator Input.
pins 100 & 108 supply 3.3V power to the internal 1.8V
regulators.
SYMBOL
128-PIN
VTQFP
124-PIN
DQFN
BUFFER
TYPE
DESCRIPTION



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