Philips MCD170 - SDRAM and SPI Flash Circuits

For 1bit SPI Flash
0
2bit 1bit
0
R49
NC
R51
NC
SPI Mode Setting
SPI_CE
M_CAS
M_WE
M_BA0
M_RAS
DQ0
SPI_WP
SPI_CE
SPI_CLK
SPI_WP
DQ0
SPI_HOLD
DQ1
M_A4
M_D14
M_A9
M_RAS
M_A6
M_CAS
M_A5
M_A0
M_D6
M_D4
M_D2
M_D0
M_WE
M_D12
M_DQM1
M_BA0
M_D1
M_A2
RAM_CLK
M_D10
M_D9
M_DQM0
M_D13
M_A7
M_D5
M_A3
M_A1
M_D7
M_D3
M_D15
M_D11
8D_M8A_M
M_A10
M_BA1
M_A1
M_A2
M_A6
M_A5
M_A9
M_A7
M_A3
M_A8
M_A10
M_A0
M_A4
M_A11
M_DQM1
M_DQM0
M_WE
M_CAS
M_RAS
M_CLK
RAM_CLK
M_BA0
M_BA1
M_D9
M_D10
M_D8
M_D6
M_D4
M_D7
M_D2
M_D0
M_D1
M_D5
M_D3
M_D14
M_D13
M_D12
M_D15
M_D11
SPI_D0
SPI_D1
RAM_CLKM_CLK
DQ0
SPI_CE
SPI_CLK
DQ0
DQ1
DQ1
SPI_WP
SPI_HOLD
M_A11
SPI_CLK
DQ1
SPI_HOLD
M_A[0..10] 3
M_D[0..15] 3
M_DQM[0..1] 3
M_CAS 3
M_RAS 3
M_WE 3
M_BA0 3
M_BA1 3
SPI_D[0..1] 3
SPI_CE 3
SPI_CLK 3
M_CLK 3
M_A11 3
GND
GND
SPI_VCC3
SD_VCC3
GND
GNDGND
SD_VCC3
SD_VCC3
GND
SD_VCC3 GND
SD_VCC3
GND
GND
GND
SPI_VCC3
GND
SPI_VCC3
SPI_VCC3
0.1uF
BC31
R51 10K
R47 NC
U5
SDRAM1Mx16x4
23
24
25
26
29
30
31
32
33
34
17
18
15
16
19
37
38
39
2
4
5
7
8
10
11
13
42
44
45
47
48
50
51
53
36
20
1
27
28
41
22
40
3
9
43
49
6
12
46
52
35
21
54
14
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
CAS
RAS
LDQM
WE
CS
CKE
CLK
UDQM
D0
D1
D2
D3
D4
D5
D6
D7
D8
D9
D10
D11
D12
D13
D14
D15
NC
BA0
VDD
VDD
VSS
VSS
A10/AP
NC/RFU
VDDq
VDDq
VDDq
VDDq
VSSq
VSSq
VSSq
VSSq
A11
BA1
VSS
VDD
U4
SDRAM16M-6(512Kx16x2)
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
VCC
DQ0
DQ1
VSSQ
DQ2
DQ3
VCCQ
DQ4
DQ5
VSSQ
DQ6
DQ7
VCCQDQML
WE
CAS
RAS
CS
BA/A11
A10
A0
A1
A2
A3
VCC
VSS
A4
A5
A6
A7
A8
A9
NC
CKE
CLK
DQMH
NC
VCCQ
DQ8
DQ9
VSSQ
DQ10
DQ11
VCCQ
DQ12
DQ13
VSSQ
DQ14
DQ15
VSS
0.1uF
BC33
U6
SPI FLASH-SOP8
1
2
3
4
5
6
7
8
CE_B
DQ0
WP#
GND DQ1
SCK
HOLD#
VDD
EC17
10uF/16V
R49 0
U7
ST SPI FLASH
1
2
3
4
5
6
7
8
CE#
DOUT
WP#
GND DIN
SCK
HOLD#
VDD
R46 33
R48 0
0.1uF
BC32
R50 10K
0.1uF
BC35
0.1uF
BC34
10pFC14
CIRCUIT DIAGRAM - DVD BOARD
MPEG is not repaired,diagram for referrence only.
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