SMSC USB2250 User Manual
Ultra Fast USB 2.0 Multi-Slot Flash Media Controller
Datasheet
Revision 1.1 (05-29-08)
10
SMSC USB2250/50i/51/51i
DATASHEET
Chapter 4 Pin Configuration
Figure 4.1 USB2250/50i/51/51i 128-Pin VTQFP Diagram
97
MS_D6
98
GPIO12 (MS_INS)
99
MS_D3
100
MS_D7
101
MS_SCLK
102
VSS
103
TEST
104
VDD33
105
GPIO6 (SD_WP)
106
MA7
107
MA13
108
MA6
109
MA8
110
MA5
111
MA9
112
MA4
113
MA11
114
MA3
115
nMRD
116
MA2
117
CF_DMARQ / RXD / GPIO2
118
GPIO4 (SCL/xD_ID)
119
CF_DMACK / TXD / GPIO7
120
LED1 / GPIO1
121
GPIO3 (VBUS_DET)
122
VSS
123
XTAL2
124
XTAL1 (CLKIN)
125
VDD18PLL
126
VSS
127
RBIAS
128
VDDA33
64
nRESET
63
CF_D5 / GPIO21
62
CF_D12 / GPIO28
61
CF_D4 / GPIO20
60
CF_D11 / GPIO27
59
CF_D3 / GPIO19
58
GPIO13 (CF_nCD)
57
GPIO14 (SM_nCD)
56
SM_nB/R
55
SM_nRE
54
SM_nCE
53
SM_CLE
52
SM_ALE
51
VSS
50
VDD33
49
VDD18
48
SM_nWE
47
SM_nWP
46
SM_D0
45
SM_D1
44
SM_D2
43
SM_D3
42
SM_D4
41
SM_D5
40
SM_D6
39
SM_D7
38
SM_nWPS
37
MD0
36
MD1
35
MD2
34
MD3
33
MD7
96
MS_D2
95
MS_D4
94
MS
_D0 / M
S
_
S
DIO
93
MS_D5
92
MS_D1
91
MS_BS
90
CF
_D
10
/
G
P
IO
26
89
CF
_D
9 /
G
P
IO
2
5
88
CF
_D
2 /
G
P
IO
1
8
87
CF
_D
8 /
G
P
IO
2
4
86
CF
_D
1 /
G
P
IO
1
7
85
CF
_D
0 /
G
P
IO
1
6
84
CF_SA
0
83
CF_SA
1
82
CF_SA
2
81
VSS
80
CF_IO
R
D
Y
79
CF_nRE
SET
78
GPIO
9 / C
R
D_PW
R1
77
VD
D3
3
76
GP
IO
10 /
CR
D_PW
R2
75
VSS
74
CF_IR
Q
73
CF_nIOW
72
CF_nIOR
71
CF_nCS
0
70
CF
_D
15
/
G
P
IO
31
69
CF
_D
7 /
G
P
IO
2
3
68
CF
_D
14
/
G
P
IO
30
67
CF
_D
6 /
G
P
IO
2
2
66
CF
_D
13
/
G
P
IO
29
65
VD
D3
3
SMSC
USB225X
128 VTQFP
(Top View)
1
MA12
2
MA15
3
nMW
R
4
MA14
5
GP
IO
5 (
S
DA)
6
RE
G
_
E
N
7
USB
+
8
U
SB-
9
VS
S
10
SD
_
D
1
11
SD
_
D
6
12
SD
_
D
0
13
SD
_
D
7
15
VD
D
3
3
16
G
P
IO
11 /
CR
D_P
W
R
3
17
VS
S
18
S
D
_CLK
19
SD
_
D
5
20
SD
_CMD
21
SD
_
D
4
22
SD
_
D
3
23
SD
_
D
2
24
MA10
25
MA1
/
CL
K_
SEL
1
26
nMCE
27
MA0
/
CL
K_
SEL
0
28
MA16
29
MD6
30
MD5
31
MD4
32
G
P
IO15 (
S
D_
nCD
)
14
G
P
IO
8 /
CR
D_P
W
R
0