Sharp UX-B20, Service Manual

Page: 70 / 124

UX-B20U/UX-B20C/B25C
6 – 4
4. ASIC Block (4/8)
A A
B B
C C
D D
E E
F F
G G
H H
I I
6
6
5
5
4
4
3
3
2
2
1
1
A(A)[11:0]
A(A)3 A(A)5 A(A)10 A(A)11 A(A)9 A(A)2 A(A)7 A(A)8 A(A)0 A(A)1
D5 D2
A3
D7
A(A)4 A(A)6
D(A)14 D(A)0
A5
D(A)8 D(A)1 D(A)9 D(A)6 D(A)3 D(A)2
A4
D(A)15 D(A)4
D1
D(A)10 D(A)7 D(A)11 D(A)5 D(A)12
D0
A2
D3
A1 A0
D(A)[15:0]
D6 D4
D(A)13
A(A)[11:0]
D(A)[15:0]
SDC
E
-
SDW
E
-
S
DCAS-
S
DRAS-
SDC
LK
ASI
C
R
E
S
A[5:0]
D[7:0] PLAT
PCL
K
PDAT
nCS SC
K
SDI TB
R
E
S-
CL
O
C
K
INT
GACS
-
RD-
WR
-
WAIT
PIN
CNHEAD2-11
CNHEAD1-9
CNHEAD1-10
CNHE
A
D
1-
7
CNHE
A
D
1-
3
C
N
HEAD2-10
CNHE
A
D
1-
2
CNHE
A
D
2-
9
CNHE
A
D
2-
8
CNHE
A
D
2-
3
CNHE
A
D
2-
2
CNHE
A
D
2-
4
CNHE
A
D
2-
5
CNHE
A
D
2-
7
CNHE
A
D
2-
6
SCANSYNC
DG
+3
.3VA
DG
DG
+3
.3VA
DG
DG
DG
DG
DG
DG
DG
DG
DG
(2-3I)
(2-3I)
(2-2G) (2-2G) (2-2G) (2-2G) (2-1G)
(3-3B)
(1-5I) (2-6A)
(1-6I) (2-5A)
(1-3A) (1-3A) (1-3A)
(5-6B)
(5-5B) (5-5B) (5-5B)
(1-5A)
(1-3A)
(1-2I) (1-3I) (1-3I) (1-3I) (3-3C)
(6-3F)
(POS)
(OK2PRT)
(PHID1)
(PCLK)
(AGATE)
(ACLK)
(SPRES-)
(LHCS) (LCN)
(PLOAD)
(PENABLE)
(PHD2)
(PHD1)
(PHD0)
(PHD3)
C183
R15
6
5.
1k
C2
24
1000p
F
R2
45
33
R19
8
33
R1
81
N.M.
C18
0
0.
1u
F
RA
5
100
5
18
7 6
2 3 4
C111
R10
9
33
C232
470pF
470pF
470pF
C229
470pF
<DEBUG>
C114
R2
48 0
C231
C150
C1
2
R2 100
RA
8
100
5
18
7 6
2 3 4
C182
R1
10
1M
C148
RA1
3
33
5
1
8 7 6
2 3 4
C151
C1
79
0.1uF
C227
C236
C226
<DMYOUT>
C117
R1
97
33
C225
RA1
4
33
5
1
8 7 6
2 3 4
C228
C230
C11
2
100pF
C4
6
1u
C116
C1
13
N.M.
N.M.
C4
7
1u
C1
52
22
pF
C149
R15
7
47k
R1
11
150
C185
RA
4
100
5
18
7 6
2 3 4
RA
3
100
5
18
7 6
2 3 4
C233 470pF
470pF
470pF
470pF
470pF
470pF
470pF
470pF
470pF
470pF
470pF
RA1
5
33
5
1
8 7 6
2 3 4
C235
R1
34 0
R2
46
33
C1
1
N.M.
IC4
µPD65945
ASIC
WR_N
107
RD_N
106
A0
104
A2
102
A4
100
D0
95
D1
94
D4
91
D3
92
D6
89
RRAS_N
42
RCAS_N
43
RWE_N
44
CS_N
68
RD0
9
RD1
8
RD2
7
RD3
6
RD5
4
RD4
5
RD6
3
RD7
2
RD8
19
RD9
18
RD10
17
RD11
16
RD12
15
RD13
14
RD15
12
RD14
13
RCS_N
41
A3
101
D7
88
D5
90
D2
93
A5
99
A1
103
PDAT
65
PLAT
66
PCLK
64
ASICRES
70
RB
40
RA4
31
RA5
30
RA6
29
RA7
28
RA10
39
RA9
26
RA8
27
INT_N
67
VDD
1
VDD
10
VDD
25
VDD
57
VDD
73
VDD
36
VDD
56
VDD
76
GND
45
GND
46
GND
59
SYSCLK
83
RDY
61
RA3
32
RA2
33
RA1
34
RA0
35
SRST_N
133
SDAT
140
SCLK
142
SCS_N
141
RCLK
22
DEBUG
54
TEST
50
TM0
51
TM1
52
TM2
53
XIN
75
SCANSYNC
60
PDATA1
119
AGATE
129
ACLK
130
PDATA0
120
PLCLK
128
PENABLE
114
PDATA2
118
PLOAD
113
PDATA3
117
LHCS
112
SFRES_N
127
POS
124
PHID
126
OK2PRT
125
LCN
111
PIN_N
47
VDD
86
VDD
79
VDD
80
VDD
98
VDD
121
VDD
134
VDD
108
VDD
87
GND
11
GND
20
GND
21
GND
23
GND
24
GND
37
GND
38
GND
48
GND
49
GND
58
GND
62
GND
63
GND
69
DMYOUT
55
XOUT
74
GND
71
GND
81
GND
77
GND
72
GND
78
GND
96
GND
84
GND
85
GND
97
GND
82
GND
116
GND
115
GND
105
GND
109
GND
110
GND
123
GND
132
GND
143
GND
131
GND
122
GND
144
SMC
135
SCK
136
SIN
137
AMC
138
SOT
139
C234
R2
47
33
C11
5
1000pF
32
.256MHz
X2
C181
R3 200
C184
0.1uF
0.1uF
0.1uF
0.1uF
0.1uF
0.1uF
0.1uF
0.1uF
0.1uF
0.1uF
0.1uF
C11
8
10pF
C186
R11
2
120
R1
96
33
ASIC
Block
4/8