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7.0 ELECTRICAL DIAGRAM
CIRCUIT DIAGRAM-MEMORY
U7
SPI_CE
1
CE#
VDD
DQ0
2
DOUT
HOLD#
SPI_WP
3
WP#
SCK
4
GND
GND
DIN
EN25T16
For 1bit SPI Flash
SPI_D0
R70
0R
SPI_D1
R71
0R
R72
10K
SPI_VCC3
R73
10K
SPI_VCC3
VCC_SPI
L18 FB600
EC17
BC8
10uF/10V
0.1uF
GND
SPI Mode Setting
2bit
1bit
R119
NC
0
R121
0
NC
8
SPI_VCC3
SPI_HOLD
7
SPI_CLK
6
DQ1
R68
0R
5
DQ0
DQ1
SPI_WP
DVCC3
SPI_HOLD
SD_VCC3
EC18
100uF/6.3V
GND
M_A0
M_A1
M_A2
M_A3
M_A4
M_A5
M_A6
M_A7
M_A8
M_A9
M_A10
M_A11
M_DQM0
M_DQM1
M_WE
M_CAS
M_RAS
GND
SD_VCC3
M_CLK
R67
33R
RAM_CLK
M_BA0
M_BA1
C174
10P
GND
SD_VCC3
L16
FB
C33
C267
1000pF
1000pF
GND
GND
U6
23
A0
D0
24
A1
D1
25
A2
D2
26
A3
D3
29
A4
D4
30
A5
D5
31
A6
D6
32
A7
D7
33
A8
D8
34
A9
D9
22
A10/AP
D10
35
A11
D11
15
LDQM
D12
39
UDQM
D13
16
WE
D14
17
CAS
D15
18
RAS
NC
19
CS
NC/RFU
37
CKE
VSS
38
CLK
VSS
20
BA0
VSS
21
BA1
VDD
VDD
VDD
6
VSSq
VDDq
12
VSSq
VDDq
46
VSSq
VDDq
52
VSSq
VDDq
SDRAM
GND
M_A11
M_CAS
M_RAS
M_WE
M_BA0
M_BA1
M_CLK
SPI_D0
SPI_D1
SPI_CE
SPI_CLK
VCC_SPI
VCC_5V
DVCC3
M_D0
2
M_D1
4
M_D2
5
M_D3
7
M_D4
8
M_D5
10
M_D6
11
M_D7
13
M_D8
42
M_D9
44
M_D10
45
M_D11
47
M_D12
48
M_D13
50
M_D14
51
M_D15
53
36
40
28
GND
41
54
1
SD_VCC3
14
27
3
9
43
49
M_A[0..11]
2
M_D[0..15]
2
M_DQM[0..1]
2
M_A11
2
M_CAS
2
M_RAS
2
M_WE
2
M_BA0
2
M_BA1
2
M_CLK
2
SPI_D0
2
SPI_D1
2
SPI_CE
2
SPI_CLK
2
VCC_SPI
VCC_5V
DVCC3
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