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A
B
C
D
E
F
G
H
I
L
M
N
O
P
Q
R
S
T
U
J
K
1
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Discover5
Dec, 2002
CIRCUIT DIAGRAM (MAIN PCB ASSY/ LCD Contr. Block)
ACTUAL OUTPUT FREQUENCIES
S2:S0 CPU CLKA CLKB CLKC CLKD XBUF
000 14.31818 40.00000 10.00000 14.31818 17.73502 Off (MHz)
001 17.73502 40.00000 10.00000 14.31818 17.73502 Off (MHz)
CS=0
CS=0
M/R = 0
M/R = 1
000000
100000
0FFFFF
1FFFFF
0001FF
001000
001FFF
1M
Byte
1M
Byte
MAIN REGS (512 Bytes)
MEDIA PLUG REG S (4KB)
BITBLT DATA
REGS(1MB)
2M
Byte
1FFFFF
000000
IMAGE BUFFER
IMAGE BUFFER
IMAGE BUFFER
IMAGE BUFFER
INK/CURSOR BUFFER
INK/CURSOR BUFFER
INK/CURSOR BUFFER
INK/CURSOR BUFFER
DUAL PANEL BUFFER
DUAL PANEL BUFFER
DUAL PANEL BUFFER
DUAL PANEL BUFFER
080000
100000
180000
07FFFF
0FFFFF
17FFFF
2M
Byte
1FFFFF
000000
IMAGE BUFFER
INK/CURSOR BUFFER
DUAL PANEL BUFFER
VMD3
VMD10
TVCLK
D0
VMD13
VMD3
VMD4
VMD7
LCDXWAIT
D12
D2
VMD6
D10
VMD15
VXUCAS
VMD1
VXUCAS
VMD13
D8
VMD5
VMD12
D3
VMD5
VMD2
D13
VXWE
D1
VMA7
VMA7
VXWE
VXLCAS
VMA4
VMA4
D7
VMD11
VXRAS
D6
VMD4
VXLCAS
D4
VMD8
D5
VMD12
VMD14
VMD1
VMD0
VMD10
SEL
VXRAS
VMD8
VMD14
VMD9
D9
D11
D15
D14
VMA8
VMA8
VMA6
VMA6
VMA5
VMA5
VMA3
VMA3
VMA2
VMA2
VMA1
VMA1
VMA0
VMA0
VMD15
VMD11
VMD9
VMD7
VMD6
VMD2
VMD0
MCLK
C-VIDEO
A6
A0
A16
A14
A2
A17
A15
A3
A21
A8
A19
A9
A7
A11
A4
A12
A1
A10
A20
A5
A13
A18
VMD3
VMD10
VMD13
VMD4
VMD1
VMD5
VMD8
VMD12
VMD14
VMD15
VMD11
VMD9
VMD7
VMD6
VMD2
VMD0
D
5VD
5VD
5VD
D
D
D
D
5VD
D
D
5VD
D
D
D
D
5VD
5VD
5VD
5VD
IC101
MG-5100SA@
1
2
3
4
5
6
7
8
9
10
11
12
13
14
S1
S0
CLKA
CLKB
CPUCLK
CLKD
XBUF
TIN
GND
CLKC
OE
S2
VDD2
VDD1
Q9
2SC4116GR
1
2
3
IC12
M11B416256A -35J
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
VCC
I/O0
I/O1
I/O2
I/O3
VCC
I/O4
I/O5
I/O6
I/O7
NC
NC
WE
RAS
NC
A0
A1
A2
A3
VCC
GND
A4
A5
A6
A7
A8
OE
UCAS
LCAS
NC
I/O8
I/O9
I/O10
I/O11
GND
I/O12
I/O13
I/O14
I/O15
GND
C253
100nFs
C254
100nFs
C255
100nFs
IC36B
TC7W08F
5
6
3
C189
100nFs
IC36C
TC7W08F
8
4
IC36A
TC7W08F
1
2
7
C258
100nFs
C259
100nFs
C260
100nFs
C257
33uF16s
L58
N2012Z601T2
L59
N2012Z601T2
R181
1K5s
1%
R184
1Ks
1%
R185
22s
1%
R183
47s
1%
RA46
4X10Ks
4
5
6
7
8
3
2
1
R205
0s
R206
0s
C256
NIU
R190 0s
R191 0s
R192 0s
R189
10Ks
C261
100nFs
R186
0s NIU
R180
0s NIU
R179
0s NIU
R182
0s
R187
0s
R188
0s
IC11
S1D13506F00A
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
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
AB2
AB1
AB0
CS
M/R
BS
RD
WE0
WE1
RD/WR
RESET
VDD
BUSCLK
VSS
WAIT
DB15
DB14
DB13
DB12
DB11
DB10
DB9
DB8
DB7
DB6
DB5
DB4
DB3
DB2
DB1
DB0
VSS
VDD
MD15
MD0
MD14
MD1
MD13
MD2
MD12
MD3
MD11
MD4
MD10
MD5
MD9
MD6
MD8
MD7
VSS
LCAS
UCAS
WE
RAS
VDD
MA9
MA11
MA8
MA10
MA7
MA0
MA6
MA1
MA5
MA2
MA4
MA3
VSS
CLKI
TESTEN
CLK12
VDD
FPFRAME
FPLINE
NC
DRDY
FPSHIFT
VSS
FPDAT0
FPDAT1
FPDAT2
FPDAT3
FPDAT4
FPDAT5
FPDAT6
FPDAT7
VSS
FPDAT8
FPDAT9
FPDAT10
FPDAT11
FPDAT12
FPDAT13
FPDAT14
FPDAT15
VSS
VDD
DACVSS
DACVDD
RED
IREF
DACVDD
GREEN
DACVDD
BLUE
DACVSS
HRTC
VRTC
VDD
VSS
AB20
AB19
AB18
AB17
AB16
AB15
AB14
AB13
AB12
AB11
AB10
AB9
AB8
AB7
AB6
AB5
AB4
AB3
R207
15Ks NIU
R208
15Ks NIU
R209
15Ks NIU
R210
15Ks NIU
R211
15Ks NIU
R212
15Ks NIU
R213
15Ks NIU
R214
15Ks NIU
R215
15Ks NIU
R216
15Ks NIU
R217
15Ks NIU
R218
15Ks NIU
R219
15Ks NIU
R220
15Ks
R221
15Ks
R222
15Ks NIU
A[0..21]
XRD
XWRL
XLCD
XRST
D[0..15]
DISPON
DISP_CON
XD3
XD2
XD1
XD0
XSCL
LP
YD
C-VIDEO
SEL
WE1
XLCDWAIT
CLOCK