GRAPHTEC CE5000 SERIES, Service Manual

Page: 144 / 146

CE5000-UM-251-9370 11-16
11 BLOCK DIAGRAMS AND CIRCUIT DIAGRAMS
11.2.15 Main Board FPGA Section (PN0021-01)
KEY[0
]
KEY[1
]
KEY[2
]
KEY[3
]
D[0
] D[1
] D[2
] D[3
] D[4
] D[5
] D[6
] D[7
] D[8
] D[9
] D[10
]
D[11
]
A[19
]
A[20
]
A[21
]
RA18 10K
1
2
3
4 5
6
7
8
X2
48.0MH
Z
+3.3
V
+2.5
V
C14
5 0.1
u
160
8
RA26
470
1
2
3
4 5
6
7
8
VC
C
C14
3
1000
p
160
8
VC
C
C10
7
33
p
160
8
C10
6
15
p
160
8
VC
C
RA149
10K
1
2
3
4 5
6
7
8
RA150
10K
1
2
3
4 5
6
7
8
DG
DG
+2.5
V
+2.5
V
+2.5
V
+2.5
V
+2.5
V
+2.5
V
+2.5
V
+2.5
V
C15
1 0.1
u
160
8
C15
2 0.1
u
160
8
C15
3 0.1
u
160
8
C15
4 0.1
u
160
8
C15
5 0.1
u
160
8
C15
6 0.1
u
160
8
C15
7 0.1
u
160
8
C15
8 0.1
u
160
8
DG
DG
DG
DG
DG
DG
DG
DG
XCOM
B
KEYCONT
0
KEYCONT
2
SF
R
YCOM
B
KEYCONT
1
XCOM
A
PNCOM
A
SRVIN
T
YCOM
A
PNCOM
B
LOCALIN
T
USBCL
K
FPGA_CS
0
KEY[3-0
]
WE
0
CCL
K
MENUKE
Y
FPGA_CS
1
PINC
H
FPGA_RE
S
RD
YHOM
E
CA
M
A[21-19
]
DI
N
INI
T PROGRA
M
DON
E
D[11-0
]
PN0021-01
A
FPG
A
VC
C
PNEN
A
PNEN
B
C11
8 1000
p 160
8
C11
7 1000
p
160
8
DG
J1
1
B5B-XH-
A
1 2 3 4 5
CFG_CS_PL
L
CFG_WRITE_PL
L
CFG_CS_PL
L
CFG_WRITE_PL
L
SN74LVC2GU04DCK
R
U1
4
1
6
SN74LVC2GU04DCK
R
U1
4
3
4
+3.3
V
C2
3
0.1
u
160
8
R2
1
2.2
K
160
8
U10
5
XC2S15-5VQG100C_
5
GND1
1
TM
S
2
A[21
]
3
A[20
]
4
A{19
]
5
D[11
]
6
D[10
]
7
D[9
]
8
D[8
]
9
D[7
]
10
GND11
11
Vcco12 12
D[6
]
13
Vccint14 14
D[5
]
15
D[4
]
16
D[3
]
17
D[2
]
18
PNEN[1
]
19
PNEN[0
]
20
CA
M
21
KEY[7
]
22
M1
23
GND24
24
M0
25
Vcco26 26
M2
27
NC2
8
28
NC2
9
29
KEY[6
]
30
KEY[5
]
31
KEY[4
]
32
Vccint33 33
KEY[3
]
34
Vccint35 35
GCK
1
36
Vcco37 37
GND38
38
GCK
0
39
KEY[2
]
40
KEY[1
]
41
Vccint42 42
KEY[0
]
43
FPGA_CS
0
44
FPGA_CS
1
45
REA
D
46
WRIT
E
47
GND48
48
DON
E
49
Vcco50 50
PROGRA
M
51
INI
T
52
LCD_
E
53
PINC
H
54
YHOM
E
55
XSNS_PLU
S
56
XSNS_MINU
S
57
KEYCONT[2
]
58
KEYCONT[1
]
59
KEYCONT[0
]
60
Vccint61
61
HOLDKE
Y
62
Vcco63 63
GND64 64
MENUKE
Y
65
LOCALIN
T
66
NC6
7
67
RESE
T
68
SRVIN
T
69
SR
F
70
XEN[1
]
71
XEN[0
]
72
DI
N
73
YEN[1
]
74
CCL
K
75
Vcco76 76
TD
O
77
GND78
78
TD
I
79
CFG_C
S
80
CFG_WRIT
E
81
YEN[0
]
82
D[1
]
83
D[0
]
84
Vccint85
85
XCOMP[1
]
86
XCOMP[0
]
87
GCK
2
88
GND89 89
Vcco90 90
GCK
3
91
Vccint92 9
2
YCOMP[1
]
93
Vccint94 9
4
PNCOMP[1
]
95
PNCOMP[0
]
96
LCD_CS
1
97
YCOMP[0
]
98
TC
K
99
Vcco10010
0
J2
0
B6B-PH-SM4-T
B
1 2 3 4 5 6
VC
C
C23
1 1000
p
160
8
C23
2 1000
p
160
8
C23
3 1000
p
160
8
C23
4 1000
p
160
8
DG
R201
3.3K
1608
R202
3.3K
1608
C23
5
EEE1CA100S
R
10
u
J1
0
B4B-XH-
A
1 2 3 4
LCDB_RS_PL
L
C10
2
EEE1AA101W
R
100
u
DG
DG
U1
4
SN74LVC2GU04DCK
R
1VC
C 5 1GN
D 2
14-1
1
33-2
4
35-3
8
42-4
8
61-6
4
85-7
8
92-8
9
94-
1
GN
D
GN
D
VC
C
-XSN
S
VC
C
+XSN
S
XEN
A
GN
D
XEN
B
VC
C
GN
D
VC
C
YEN
A YEN
B
RA2
6 is not installed