eKF5250
USB full speed NAND flash controller
Preliminary
10. Application Circuit
C1
+
C2
2MHz
0.1uF
10uF
Q1
J1
U1
DM
4
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
25
24
23
22
21
20
19
18
17
16
15
DM
DP
GND
V3.3SW
V3.3
DM
DP
VBus
OSCO
OSCI
TEST
LED
WPS
NF_RnB
NF_REn
NF_CEn3
3
2
1
R1 1.5K
DP
C5 20P
C6
20P
3.3V
NF_IO7
NF_D7
NF_D6
NF_D5
NF_D4
NF_D3
NF_D2
NF_D1
NF_D0
NF_IO6
NF_IO5
NF_IO4
NF_IO3
NF_IO2
NF_IO1
NF_IO0
C3
10uF
+
C4
USB(A Plug)
D1
LED
3.3V
0.1uF
NF_RnB
NF_REn
NF_CEn3
NF_CEn2
NF_CEn1
NF_CEn0
S1
3.3V
NF_WEn
NF_ALE
NF_CLE
NF_WEn NF_CEn2
NF_ALE
NF_CLE
NF_CEn1
NF_CEn0
SW SPDT
eKF5250
U2
U3
U4
U5
NF_IO0
NF_IO1
NF_IO2
NF_IO3
NF_IO4
NF_IO5
NF_IO6
NF_IO7
NF_IO0
NF_IO1
NF_IO2
NF_IO3
NF_IO4
NF_IO5
NF_IO6
NF_IO7
NF_IO0
NF_IO1
NF_IO2
NF_IO3
NF_IO4
NF_IO5
NF_IO6
NF_IO7
NF_IO0
NF_IO1
NF_IO2
NF_IO3
NF_IO4
NF_IO5
NF_IO6
NF_IO7
29
30
31
32
41
42
43
44
1
2
4
5
29
30
31
32
41
42
43
44
1
2
4
5
29
1
2
4
5
29
30
31
32
41
42
43
44
1
2
4
5
I/O0
I/O1
I/O2
I/O3
I/O4
I/O5
I/O6
I/O7
NC
NC
NC
NC
I/O0
I/O1
I/O2
I/O3
I/O4
I/O5
I/O6
I/O7
NC
NC
NC
NC
I/O0
I/O1
I/O2
I/O3
I/O4
I/O5
I/O6
I/O7
NC
NC
NC
NC
I/O0
I/O1
I/O2
I/O3
I/O4
I/O5
I/O6
I/O7
NC
NC
NC
NC
30
31
32
41
42
43
44
11
14
20
21
23
24
25
26
28
33
35
38
40
45
47
48
11
14
20
21
23
24
25
26
28
33
35
38
40
45
47
48
11
14
20
21
23
24
25
26
28
33
35
38
40
45
47
48
11
14
20
21
23
24
25
26
28
33
35
38
40
45
47
48
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
7
8
9
16
17
18
19
7
8
9
16
17
18
19
7
8
9
16
17
18
19
7
8
9
16
17
18
19
NF_RnB
NF_REn
NF_CEn0
NF_CLE
NF_ALE
NF_WEn
3.3V
NF_RnB
NF_RnB
NF_REn
NF_CEn2
NF_CLE
NF_ALE
NF_WEn
3.3V
NF_RnB
NF_REn
R/B
RE
CE
CLE
ALE
WE
WP
R/B
RE
CE
CLE
ALE
WE
WP
R/B
RE
CE
CLE
ALE
WE
WP
R/B
RE
CE
CLE
ALE
WE
WP
NF_REn
NF_CEn1
NF_CLE
NF_ALE
NF_WEn
3.3V
NF_CEn3
NF_CLE
NF_ALE
NF_WEn
3.3V
3
10
15
22
27
34
39
46
3
10
15
22
27
34
39
46
3
10
15
22
27
34
39
46
3
10
15
22
27
34
39
46
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
37
12
37
12
37
12
37
12
3.3V
3.3V
3.3V
3.3V
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
36
13
6
36
13
6
36
13
6
36
13
6
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
C7
C8
C9
C10
C11 C12
0.1uF 10uF
C13 C14
0.1uF 10uF
0.1uF 0.1uF
0.1uF 10uF
Flash
Flash
Flash
Flash
This specification may change without further notice.
02, 12, 2003
9
ELAN [ ELAN MICROELECTRONICS CORP ]
