USB2251-NU-05 Standard Microsystems (SMSC), USB2251-NU-05 Datasheet - Page 8

• Manufacturer Part Number: USB2251-NU-05
• Description: ULTRA FAST USB 2.0 MULTI-SLOT FLASH MEDI
• Manufacturer: Standard Microsystems (SMSC)

Specifications of USB2251-NU-05

• Lead Free Status / RoHS Status: Supplier Unconfirmed

Chapter 3 Pin Configuration
Revision 2.0 (09-29-09)
CF_DMARQ / RXD / GPIO2
CF_DMACK / TXD / GPIO7
GPIO4 (SCL / xD_ID)
GPIO3 (VBUS_DET)
GPIO12 (MS_INS)
GPIO6 (SD_WP)
XTAL1 (CLKIN)
LED / GPIO1
VDD18PLL
MS_SCLK
MS_D6
MS_D3
MS_D7
VDD33
VDD33
XTAL2
RBIAS
nMRD
MA13
MA11
TEST
MA7
MA6
MA8
MA5
MA9
MA4
MA3
MA2
VSS
VSS
VSS
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
97
98
99
Figure 3.1 128-Pin VTQFP Diagram
128 VTQFP
USB225X
DATASHEET
SMSC
(Top View)
8
Ultra Fast USB 2.0 Multi-Slot Flash Media Controller
SMSC USB2250/50i/51/51i
64
63
62
61
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
nRESET
CF_D5 / GPIO21
CF_D12 / GPIO28
CF_D4 / GPIO20
CF_D11 / GPIO27
CF_D3 / GPIO19
GPIO13 (CF_nCD)
GPIO14 (SM_nCD)
SM_nB/R
SM_nRE
SM_nCE
SM_CLE
SM_ALE
VSS
VDD33
VDD18
SM_nWE
SM_nWP
SM_D0
SM_D1
SM_D2
SM_D3
SM_D4
SM_D5
SM_D6
SM_D7
SM_nWPS
MD0
MD1
MD2
MD3
MD7
Datasheet