Pcb Mb E50 - Ram And Dataflash - ELCOM Euro-50 Service Manual

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Euro-50
8.3. PCB MB E50 – RAM AND DATAFLASH
1
D[7..0]
D[7..0]
A[16..0]
A[16..0]
A
B
P132
RDn
WRn
C74
VDDQ
GND
P191
C75
VRAM
1uF
2
8
C
GND
4
GND
100nF
5
CS0n
R102
P40
VDDQ
47K
RESETINn
SDDO/FDO
SDDO/FDO
SDDI/FDI
SDDI/FDI
SDCLK/FCLK
SDCLK/FCLK
RESETOUTn
RESETOUTn
D
FCSn
FCSn
RN11
R104
47K
47K
VDDQ
VDDQ
GND
1
62
2
DS1
A0
A0
12
P0
A0
A1
A1
11
P1
A1
A2
A2
10
P2
A2
A3
A3
9
P3
A3
A4
A4
8
P4
A4
A5
A5
7
P5
A5
A6
A6
6
P6
A6
A7
A7
5
P7
A7
A8
A8
27
P8
A8
A9
A9
26
P9
A9
A10
A10
23
P10
A10
A11
A11
25
P11
A11
A12
A12
4
P12
A12
A13
A13
28
P13
A13
A14
A14
3
P14
A14
A15
A15
31
P15
A15
A16
A16
2
P16
A16
CS2
30
CS2
P42
1
NC
VDDQ
CS0n-1
22
CS1
R99
24
10K
OE
C73
29
WE
100nF
P192
BS62LV1027SCP-55
GND
R100
47K
R101
47K
NL3
1
VOUT
VCC
VOUT
7
VBAT
RST
3
GND
Vccsw
6
E
Econ
STM795RM6
P41
P133
P154
DS2
1
SI
2
SCK
3
RESET
4
CS
5
WP
P134
AT45DB081D-SU
P101
R103
P67
47K
2
Elcom s. r. o.
3
RN5
D0
1
2
D3
P54
D1
A1
3
4
P55
D2
5
6
A2
P56
D3
7
8
A3
P57
D4
P58
47K
D5
P59
RN6
D6
A15
1
2
P60
D7
3
4
A6
P61
5
6
A7
7
8
A14
47K
RN7
RN8
D2
8
7
2
A8
13
D0
1
D0
14
D1
D1
6
5
3
4
A9
D1
15
D2
D0
4
3
5
6
A4
D2
17
D3
A0
2
1
7
8
A5
D3
18
D4
47K
D4
47K
19
D5
RN9
RN10
D5
20
D6
D4
1
2
1
2
A10
D6
21
D7
D5
3
4
3
4
A12
D7
D6
5
6
5
6
A11
D7
7
8
7
8
A13
47K
47K
32
VCC
R98
A16
C72
1uF
47K
GND
16
GND
GND
VDDQ
P190
8
SO
VDDQ
Change
6
VCC
C76
Drawn By
7
GND
100nF
Checked By
GND
Aproved By
VDDQ
Elcom, s.r.o.
Námestie mládeže 3
080 01 Prešov
Slovakia
3
Servisný manuál – Prílohy
4
A
B
C
Ing. Martin Hruby
27.04.08
D
Title
Euro 50 MB RAM & DATAFLASH - 1.1
Draw. No
3
Sheet
9
of
4

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