參數(shù)資料
型號: 97CFDC
廠商: SMSC Corporation
英文描述: USB FLOPPY DISK CONTROLLER
中文描述: 軟盤控制器的USB
文件頁數(shù): 11/20頁
文件大?。?/td> 143K
代理商: 97CFDC
SMSC DS – USB97CFDC
Page 19
Rev. 12/15/2000
APPENDIX A:
USB97CFDC TYPICAL APPLICATION
G
USB97CFDC Typical Application
B
11
Wednesday, December 13, 2000
Title
Size
Document Number
Rev
Date:
Sheet
of
VCC
FVDD
VCC
FVDD
VDD
VCC
FV
D
FV
D
nDRVRDY
HDO
VDD
nFDPWR
VDD
HDO
nDRVRDY
VDD
nFDPWR
TP2
C12
.1uF
TP3
R5
15K
R4
1.5K
C8
1f
RN1
1K x 5
R7
U2
28F256
12
11
10
9
8
7
6
5
27
26
23
25
4
28
29
22
24
31
1
13
14
15
17
18
19
20
21
2
3
30
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
CE
OE
WE
VPP
D0
D1
D2
D3
D4
D5
D6
D7
NC
C4
.1uF
C3
.1uF
C10
.1uF
VR1
3.3V Regulator
1
3
2
GN
D
VIN
VOUT
C7
39pf
C9
15pf
#1.2M
#HHDOUT
#DSKSTAT
#MTR0
#DS1
#DS0
#MTR1
#DIR
#INDEX
#WDATA
#WGATE
#TRK0
#WP
#RDATA
#HDSEL
#DSKCHG
#STEP
JP1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
USB97CFDC
U1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
75
74
73
72
71
70
69
68
67
66
65
64
63
62
61
60
59
58
57
56
55
54
53
52
51
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
50
SA1
0
SA9
SA8
SA7
SA6
SA5
SA4
GN
D
SA3
SA2
SA1
SA0
SA1
3
VD
D
n
T
EST
VD
D
XT
AL
1
/C
L
KI
N
XT
AL
2
GN
D
N.
C.
n
R
ESET
TS
TOU
T
n
M
EMEN
OP
TE
N
nDRV
RDY
FA12
FA7
FA6
FA5
FA4
FA3
GND
FA2
FA1
FA0
VDD
FD0
FD1
FD2
FD3
FD4
FD5
FD6
FD7
nFCE
FA10
nFRD
GND
nFDPWR
nRDA
T
A
nW
RT
P
R
T
nT
RK
0
nI
NDE
X
n
H
D
SEL
nW
G
A
T
E
nW
DA
T
A
nS
T
E
P
nDI
R
GN
D
nDS
0
nM
T
R
0
DRV
DE
N0
AG
N
D
U
SB+
VD
D
U
SB-
AVD
D
FA
1
FA
9
FA
8
FA
1
3
FA
1
4
GN
D
N.
C.
nDSKCHG
DRVDEN1
N.C.
GND
N.C.
GND
VDD
N.C.
SD7
SD6
SD5
SD4
GND
SD3
SD2
SD1
SD0
VDD
N.C.
nMEMR
nMEMW
SA12
SA11
FA15
Q1
MOSFET P
RN2
10K x 8
P1
USB TYPE B
1
3
2
4
VCC
D+
D-
GND
+
C6
10uF
C13
.1uF
R3
10K
1/10W
5%
R6
180K
TP1
C11
.1uF
C14
.1uF
C1
.1uF
+
C5
10uF
C2
.1uF
Y1
14.318Mhz
R1 10ohm
R2 10ohm
FLOPPY
Note: IF DRIVE
DOES NOT
SUPPLY
nDRVRDY OR
HDO SIGNAL,
THEY
SHOULD BE
TIED LOW AT
U1
Note: If SD
pins not used,
tie to ground to
prevent pins
from floating
during
suspend
mode.
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