Philips PD7010, Руководство по обслуживанию, Страница: 22 / 36

For 1bit SPI Flash
0
2bit
1bit
0
R47
NC
R50
NC
SPI Mode Setting
DQ0
DQ1
SPI_D0 SPI_D1
SPI_WP DQ0
SPI_D0
SPI_HOLD DQ1
SPI_D1
M_
A
5
M_
A
2
M_
A
6
M_
A
1
M_
A
8
M_
A
1
0
M_
A
3
M_
A
7
M_
A
9
M_
A
4
M_
A
1
1
M_
D
Q
M1
M_
D
Q
M0
M_W
E
M_
A
0
M_CAS M_RAS
M_D9
M_
B
A
0
M_
B
A
1
RAM_CLK
M_D4 M_D8 M_D2 M_D1
0
M_D7 M_D6 M_D5 M_D3 M_D1
4
M_D1 M_D0 M_D1
3
M_D1
2
M_D1
5
M_D1
1
RAM_CLK
M_CLK
M
_
BA1
M_W
E
M
_
BA0
M_RAS M_CAS M_CLK SPI_CE SPI_CLK
DQ0 SPI_WP SPI_CE
SPI_CLK_1 DQ1 SPI_HOLD
SPI_CLK_1
SPI_CLK
SPI_D0
3
SPI_D1
3
M_A[0..11]
3
M_D[0..15]
3
M_DQM[0..1]
3
M_CAS
3
M_RAS
3
M_W
E
3
M_
B
A
0
3
M_
B
A
1
3
SPI_CE
3
SPI_CLK
3
M_CLK
3
SPI_VCC3
SPI_VCC3
GND
SD_VCC3
GND
GND
SD_VCC3
GND
GND
SD_VCC3
GND
SPI_VCC3
GND
GND
R55
10
K
100nF C63
10pF C67
EC25 100uF_10V
U6
E
O
N25T16/
M
X
25L16
0
5
1 2 3 4
8 7 6 5
/CS DO /WP VSS
VCC
/HOLD
CLK
DIO
R56
10
K
EC24 10uF_16V
100nF C64
100nF C60
R51
NC
100nF C65
R52
0R
100nF C61
R57
33R
R53
33R
NC C68
100nF C59
R54
0R
100nF C62
100nF C66
U8 SDRAM_1Mx16x4
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
CIRCUIT DIAGRAM-DVD MAIN BOARD
7-3