Philips PET946, Service Manual

Page: 16 / 40

2bit
0
1bit
R119
For 1bit SPI Flash
NC
0 NC
R121
SPI Mode Setting
CIRCUIT DIAGRAM-MEMORY
7.0 ELECTRICAL DIAGRAM
M_D12
M_D2
M_BA1
M_BA1
M_DQM1
M_A10
M_A11
SPI_D0
M_D8
M_A2
M_A0
M_RAS
M_D15
M_A8
DQ1
M_A11
M_BA0
M_CLK
DQ0
SPI_CE
SPI_D1
M_A1
SPI_WP
M_BA0
M_A5
M_DQM0
M_D13
M_A9
M_CAS
M_CLK
M_A4
SPI_HOLD
M_RAS
M_D4
SPI_WP
DQ1
M_D3
DQ0
M_WE
M_D7
SPI_D1
M_D6
M_D1
M_A6
M_D5
M_D9
M_WE
SPI_CE
SPI_HOLD
M_D14
M_D10
M_CAS
SPI_CLK
M_A3
SPI_D0
M_A7
M_D0
M_D11
SPI_CLK
VCC_5V
DVCC3
VCC_SPI
VCC_SPI
RAM_CLK
M_CLK 2
SPI_CLK 2
M_RAS 2
SPI_CE 2
M_D[0..15] 2
M_A[0..11] 2
M_BA1 2
M_DQM[0..1] 2
M_CAS 2
M_BA0 2
M_WE 2
SPI_D0 2
M_A11 2
SPI_D1 2
VCC_5V
DVCC3
VCC_SPI
GND
GND
SD_VCC3
GND
GND
SPI_VCC3
SPI_VCC3
SD_VCC3
SD_VCC3
SPI_VCC3
GND
SD_VCC3
GND
DVCC3
GND
GND
GND
0.1uF
BC8
1000pF
C33
EC17
10uF/10V
1000pF
C267
R67 33R
0
.1
u
F
C
3
4
EC18
100uF/6.3V
R68 0R
L16 FB
R70 0R
0
.1
u
F
C
3
9
R71 0R
U6
SDRAM
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
L18 FB600
R72 10K
10P
C174
U7
EN25T16
1
2
3
4
5
6
7
8
CE#
DOUT
WP#
GND
DIN
SCK
HOLD#
VDD
0
.1
u
F
C
3
5
0
.1
u
F
C
2
8
8
R73 10K
0
.1
u
F
C
3
8
0
.1
u
F
C
3
6