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AY
AZ
BA
BB
BC
BD
BE
BF
BG
BH
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
VCC
DQO
VCCQ
DQ1
DQ2
VSSQ
DQ3
DQ4
VCCQ
DQ5
DQ6
VSSQ
DQ7
VCC
DQML
WE
CAS
RAS
CS
A13
A12
A10
A0
A1
A2
A3
VCC
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
VSS
DQ15
VSSQ
DQ14
DQ13
VCCQ
DQ12
DQ11
VSSQ
DQ10
DQ9
VCCQ
DQ8
VSS
NC
DQMU
CLK
CKE
NC
A11
A9
A8
A7
A6
A5
A4
VSS
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
BYTE
A16
A15
A14
A13
A12
A11
A10
A9
A8
A19
WE
NC
A18
A17
A7
A6
A5
A4
A3
A2
A1
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
NC
VSS
DQ15/A-1
DQ7
DQ14
DQ6
DQ13
DQ5
DQ12
DQ4
VCC
VCC
VSS
DQ11
DQ3
DQ10
DQ2
DQ9
DQ1
DQ8
DQ0
OE
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
A15
A14
A13
A12
A11
A10
A9
A8
NC
NC
R/W
CE2
NC
NC
A17
A7
A6
A5
A4
A3
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
48
47
A16
NC
GND
I/O16
I/O8
I/O15
I/O7
I/O14
I/O6
I/O13
I/O5
VDD
I/O12
I/O4
I/O11
I/O3
I/O10
I/O2
I/O9
I/O1
OE
GND
DQ10
DQ5
A6
A1
VSS
A4
A5
VCC
A3
A2
27
26
25
CLK
CAS
21
A7
A8
A9
A0
A10
A12
24
23
22
CKE
RAS
19
18
A11
A13
20
NC
CS
14
DQMU
NC
WE
DQML
17
16
15
VSS
VCC
DQ8
VCCQ
DQ9
DQ7
VSSQ
DQ6
13
12
11
VSSQ
VCCQ
7
DQ11
DQ12
DQ4
DQ3
8
VSSQ
VCCQ
10
9
VCCQ
DQ13
DQ14
VSSQ
DQ2
DQ1
6
5
4
DQ15
VSS
DQO
VCC
3
2
1
28
29
30
34
31
32
33
36
37
35
41
38
39
40
42
43
44
48
47
45
46
49
50
51
52
53
54
1
C902
1000P
C904
C933
C925
1000P
0.1
1000P
C909
C907
1
0.1
C906
C905
1000P
C91
1
C910
0.1
1000P
C934 0.1
C924 1
2
3
4
5
1
2
1
3
5
4
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 35 36 37 38 39 40 41 42 43 44 45 46 47
48
49
50
GND
D3
D4
D5
D6
D7
CE1
A10
OE
A9
A8
A7
A6
A5
A4
A3
A2
A1
A0
D0
D1
D2
IOIS16
CD2
CD1
D1
1
D12
D13
D14
D15
CE2
VS1
IORD
IOWR
WE
IREQ
VCC
CSEL
VS2
RESET
WA
IT
INP
ACK
REG
SPKR
STSCHG
D8
D9
D10
GND
VCC
R952 100K
R953 100K
R954 100K
R955 100K
R956 100K
R978 100K
R957 100K
R958 100K
R959 100K
R960 100K
R964 100K
R963 100K
R962 100K
R961 100K
R965 22K
R966 22K
R967 22K
R968 100K
R969 100K
R970 100K
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
1OE
1A1
1A2
GND
1A3
1A4
VCC
1A5
1A6
GND
1A7
1A8
2A1
2A2
GND
2A3
2A4
VCC
2A5
2A6
GND
2A7
2A8
2OE
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
1DIR
1B1
1B2
GND
1B3
1B4
VCC
1B5
1B6
GND
1B7
1B8
2B1
2B2
GND
2B3
2B4
VCC
2B5
2B6
GND
2B7
2B8
2DIR
330
R976
1K
R977
R972 10K
C951 0.1
2
7
3
1
14
10K
R973
10K
R971
0.01
C954
0.01
C952
10
9
8
13
11
12
26
25
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
2OE
1A1
1A2
GND
1A3
1A4
VCC
2A1
2A2
GND
2A3
2A4
3A1
3A2
GND
3A3
3A4
VCC
4A1
4A2
GND
4A3
4A4
3OE
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
1OE
1Y1
1Y2
GND
1Y3
1Y4
VCC
2Y1
2Y2
GND
2Y3
2Y4
3Y1
3Y2
GND
3Y3
3Y4
VCC
4Y1
4Y2
GND
4Y3
4Y4
4OE
5
6
4
8
7
6
5
VCC
G2
Y1
A2
1
2
3
4
G1
A1
Y2
GND
16
15
14
13
12
11
10
9
VCC
Y0
Y1
Y2
Y3
Y4
Y5
Y6
1
2
3
4
5
6
7
8
A
B
C
G2A
G2B
G1
Y7
GND
C955
0.1
C953
0.1
47u16
C713
+
0.1
C703
TP701
33K
R707
22K
R706
C718
0.1
1
2
3
VC
GND
NR
6
5
4
VIN
GND
VO
C720
0.1
0.1
C723
R731
6.8
220
R732
CFREG
CFRES
A9
A10
A4
A3
A6
A5
A7
A8
A2
A1
IOWR
IORD
WE
OE
OE
WE
IORD
IOWR
R/W
RD
RAS
WE0
CS3
D0
WE1
CKIO
D13
D15
D14
D9
D1
D3
D10
D2
D11
D0
D8
WE0
A13
A11
A10
A9
A12
A20
A17
A16
A14
D4
D15
D6
D14
D7
D13
D5
D12
D11
D5
D12
D13
D9
D8
D0
D1
D6
A15
A12
A13
A14
A16
A7
A5
A6
A8
SUB
SLB
A9
A10
CFW
AIT
R/W
RD
CS6
TELCG ON
CKE
D2
D3
D10
A2
A9
A5
A4
A3
A6
A8
A7
D7
D6
D5
D3
D4
D2
A14
A12
A15
A13
A10
A11
A4
A3
A6
A5
A18
A8
A7
A19
D8
D9
D10
D12
D11
D1
31
30
29
28
27
49
48
47
6
5
4
3
2
23
22
21
TEL OVER
44
41
35
36
34
27
28
29
31
30
21
23
14
18
22
19
17
16
15
12
11
10
9
8
7
6
5
4
3
2
D15
D14
D13
D12
D10
D1
1
D9
D6
D7
D8
D5
D4
D3
D2
D1
D0
25
26
48
47
49
7
CFMIO
19
18
17
16
15
14
12
8
10
11
44
41
9
36
34
35
WE1
FMUWAIT
D23
D22
D21
D20
D19
D18
D16
D17
CS3
R/W
RD
RAS
WE2
A2
A5
A4
A3
A14
A12
A15
D24
D26
D25
D28
D27
D29
D31
D30
WE3
CKIO
A9
A6
A8
A7
A13
A11
A10
A15
SH CTRL
DATA
ADRESS
IO CTRL
IO MONI
GND
IO MONI
SH CTRL
DATA
IO CTRL
GND
ADRESS
SH CTRL
IO MONI
DATA
IO CTRL
ADRESS
GND
22K
R909
A1
A2
CE
A0
24
23
NC
VSS
45
46
48
47
A11
EWE
UB
LB
24
23
A3
46
45
CE1
A0
A4
A1
A2
A2
A18
D15
D14
D7
A17
D4
A1
R907 100K
C922 1000P
R908 22K
TP702
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
13
14
15
16
17
18
19
20
21
22
23
24
1
2
3
4
5
6
7
8
9
10
11
12
XCS2
XCS0
A2
A1
A0
VDD
VSS
EXT
AL
A
VDD
DIVSEL
XT
AL
XCKRES
CKDIV
CKOUT
AVSS
XRD
XWE1
VSS
XWE0
XSUB
XSLB
XEWE
XCS3
XBS
XBREQ0
XW
AIT0
W
A
IT1
XDRQ1
CKIO
VSS
VDD
XBREQ
XBACK
XRDC
XBSSEL
XCS3BS
XCS0Y0
CS02Y1
XCS0Y2
XCS0Y3
XCS0Y4
VSS
XCS1Y0
XCS1Y1
B0
XCS1
XRDY
XDRQ0
R243 1M
16.1080MHz
X202
C231
10P
10P
C232
A25
A24
A23
0.1
C230
47P
C237
100
R247
IOPSRAM
IOPCS
51
52
IOW
A
IT
CKIO
IOPBRQ
IOPBACK
FMUCS
FMUCK
NTSCCK
R250
100
100
R249
TP204
TP205
RD
WE1
WE0
SUB
SLB
0
R242
R244 100
CS4
B.UP
RDY
RD
CFCD
IRQ
STSCHG
CS0
R906 10K
BS
R902
0
RD
CS1
TP201
R981 10K
10K
R980
10K
R982
CKE
EWE
BUS CTRL
FMU CTRL
RES3
CSRAM
CF
BVCC3S
VCC1.8
BVCC3D
CDHVCC
VCC
VCC3
CDHVCC
VCC3
VCC
BVCC3D
VCC1.8
BVCC3S
CDHVCC
VCC1.8
VCC
VCC3
VCC3
VCC3
VCC3
VCC3
VCC3
VCC3
VCC3
VCC3
VCC3
VCC3
VCC3
VCC3
VCC3
VCC3
VCC3
VCC3
VCC3
VCC3
VCC3
VCC3
VCC3
VCC3
VCC3
VCC3
CDHVCC
+5.2V
VCC3
VCC3
VCC3
VCC3
VCC3
VCC3
VCC3
BVCC3S
CDHVCC
BVCC3S
VCC1.8
BVCC3D
VCC
VCC3
BVCC3S
BVCC3S
BVCC3S
BVCC3D
BVCC3D
BVCC3D
BVCC3D
BVCC3D
BVCC3D
BVCC3D
BVCC3D
VCC3
VCC3
EVCC
EVCC
IC904
CN340
IC952(1/4)
T951
IC903
T702
T701
AND
NAND
SDRAM
SDRAM
BOOT ROM
SRAM
AVR DRIVER
5.2V
AVR
IC952(2/4)
IC952(4/4)
VCC3
SW
OR
to
CF CARD
IC952(3/4)
BUS
BUFFER
CS6
BUFFER
IO
DECODER
BUS
TRANSCEIVER
DATA CONTROLLER
PROTECTION
IC901
IC905
IC906
IC902
IC951
IC953
IC954
IC955
IC701
IC202
3.2V
3.2V
3.1V
6.8V
5.2V
3.2V
3.2V
3.2V
CAUTION :
For continued safety, replace safety critical components only with manufacturer's
recommended parts (refer to parts list).
!
Indicates safety critical components. To reduce the risk of electric shock, leakage-current or
resistance measurements shall be carried out (exposed parts are acceptably insulated from the
supply circuit) before the appliance is returned to the customer.
• DC voltages are as measured with a high impedance voltmeter. Values may vary slightly due to
variations between individual instruments or/and units.