DOWNLOAD Sharp AR-PB8 (serv.man8) Service Manual ↓ Size: 792.95 KB | Pages: 32 in PDF or view online for FREE

Model
AR-PB8 (serv.man8)
Pages
32
Size
792.95 KB
Type
PDF
Document
Service Manual
Brand
Device
Copying Equipment / ARPB8 Service Manual
File
ar-pb8-sm8.pdf
Date
PREV: Sharp AR-PB8 (serv.man7) Service Manual

Sharp AR-PB8 (serv.man8) Service Manual ▷ View online

2. CIRCUIT DIAGRAM
9 – 2
9 – 3
A
B
C
D
E
A
B
C
D
E
4
3
2
1
4
3
2
1
IC1
NR4650
GND
3
VCC
4
GND
9
SYSAD0
77
GND
15
VCC
10
GND
21
GND
29
VCC
16
GND
35
SYSAD1
72
GND
41
VCC
22
GND
49
INT0_
89
GND
59
VCC
30
GND
65
SYSAD2
69
GND
73
VCC
36
GND
79
GND
85
VCC
42
GND
91
SYSAD3
62
GND
97
VCC
50
GND
110
SYSCMD0
63
GND
118
VCC
60
GND
124
SYSAD4
57
GND
130
VCC
66
GND
136
GND
142
VCC
74
GND
148
SYSAD5
48
GND
154
VCC
80
GND
164
INT1_
84
GND
170
VCC
86
GND
175
SYSAD6
44
GND
187
VCC
92
GND
190
GND
196
VCC
98
GND
202
SYSAD7
39
VCC
109
SYSADC0
34
VCC
117
SYSAD8
31
VCC
123
VCC
127
SYSAD9
24
VCC
129
INT2_
81
VCC
135
SYSAD10
19
VCC
141
VCC
147
SYSAD11
14
VCC
153
SYSCMD1
58
VCC
163
SYSAD12
11
VCC
201
VCC
174
VCC
186
SYSAD13
6
VCC
169
VCC
189
INT3_
78
VCC
195
SYSAD14
203
SYSAD15
198
SYSADC1
193
SYSAD16
82
SYSAD17
87
INT4_
75
SYSAD18
90
SYSAD19
95
SYSCMD2
55
SYSAD20 100
SYSAD21
111
INT5_
70
SYSAD22 115
SYSAD23 120
SYSADC2
125
SYSAD24 128
SYSAD25 133
NMI_
122
SYSAD26
138
SYSAD27
143
SYSCMD3
40
SYSAD28
146
SYSAD29
151
SYSADC3
172
SYSAD30
162
SYSAD31
167
SYSCMD4
37
SYSAD32
76
SYSAD33
71
SYSADC4
33
SYSAD34
64
SYSAD35
61
SYSCMD5
32
SYSAD36
56
SYSAD37
47
SYSADC5
192
SYSAD38
43
SYSAD39 38
SYSCMD6
25
SYSAD40
26
SYSAD41
23
SYSADC6
126
SYSAD42
18
SYSAD43
13
SYSCMD7
20
SYSAD44
8
SYSAD45
5
SYSADC7
173
SYSAD46
200
SYSAD47
197
SYSCMD8
17
SYSAD48
83
SYSAD49
88
SYSCMDP
12
SYSAD50
93
SYSAD51
96
EXTRQST_
102
SYSAD52
101
SYSAD53
112
RELEASE_
119
SYSAD54
116
SYSAD55
121
RDRDY_
113
SYSAD56
131
SYSAD57
134
WRRDY_
46
SYSAD58
139
SYSAD59 144
VALIDIN_
94
SYSAD60
149
SYSAD61
152
VALIDOUT_
99
SYSAD62
165
SYSAD63
168
MASTERCLK
185
VCCOK
171
COLDRES_
145
RESET_
150
MODECLK
45
MODEIN
114
IOOUT
137
IOIN
140
SYNCIN
188
SYNCOUT
161
VCCP
181
VSSP
182
R85
4.7K
R84
4.7K
R83
4.7K
R82
4.7K
R81
4.7K
R80
4.7K
R79
4.7K
R78
4.7K
R124
4.7K
R123
4.7K
R122
4.7K
R121
4.7K
R130
4.7K
R131
4.7K
R132
4.7K
R133
4.7K
R143
4.7K
R144
4.7K
R212
4.7K
R177
4.7K
R179
4.7K
R178
4.7K
R172
4.7K
R180
4.7K
R208
4.7K
R213
4.7K
R211
4.7K
R206
4.7K
R209
4.7K
R207
4.7K
R214
4.7K
R210
4.7K
R111
4.7K
R217
4.7K
R216
4.7K
R215
4.7K
R218
4.7K
R221
4.7K
R220
4.7K
R219
4.7K
R278
4.7K
R273
4.7K
R274
4.7K
R276
4.7K
R277
4.7K
R275
4.7K
R272
4.7K
R279
4.7K
R264
4.7K
R257
4.7K
R265
4.7K
R266
4.7K
R281
4.7K
R287
4.7K
R280
4.7K
R283
4.7K
R262
4.7K
R303
4.7K
R260
4.7K
R282
4.7K
R259
4.7K
R258
4.7K
R261
4.7K
R263
4.7K
R173
4.7K
R199
4.7K
R305
4.7K
R252
4.7K
R174
4.7K
R200
4.7K
R306
4.7K
R253
4.7K
R114
4.7K
R113
4.7K
R112
4.7K
4.7K
4.7K
4.7K
R115
R116
R117
R118
4.7K
R119
4.7K
R120
4.7K
R175
4.7K
R185
4.7K
R186
4.7K
R69
4.7K
R67
4.7K
R102
4.7K
R222
4.7K
R304
4.7K
R307
4.7K
C88
0.1u
C87
0.1u
C18
22u
C96
0.1u
C95
0.1u
C81
0.1u
C85
0.1u
C19
22u
C16
22u
R145
10
R146
10
R147
10
R148
10
R149
10
R150
10
R151
10
R152
10
R153
10
R154
10
R155
10
R156
10
R158
10
R159
10
R157
10
R160
10
R236
10
R237
10
R238
10
R239
10
R241
10
R242
10
R240
10
R243
10
R250
10
R247
10
R245
10
R246
10
R244
10
R249
10
R251
10
R248
10
R182
10
R183
10
R184
10
R181
10
R188
10
R189
10
R187
10
R190
10
R197
10
R194
10
R192
10
R193
10
R191
10
R196
10
R198
10
R195
10
R315
10
R319
10
R254
10
R318
10
R316
10
R309
10
R308
10
R320
10
R312
10
R256
10
R311
10
R317
10
R310
10
R313
10
R314
10
R255
10
R135
10
R161
10
R134
10
R162
10
R136
10
R163
10
R137
10
R164
10
R165
10
SYSAD0
SYSAD1
SYSAD2
SYSAD3
SYSAD4
SYSAD5
SYSAD7
SYSAD6
SYSAD8
SYSAD9
SYSAD11
SYSAD10
SYSAD12
SYSAD14
SYSAD13
SYSAD15
SYSAD16
SYSAD17
SYSAD19
SYSAD18
SYSAD20
SYSAD22
SYSAD21
SYSAD23
SYSAD29
SYSAD31
SYSAD28
SYSAD27
SYSAD24
SYSAD30
SYSAD25
SYSAD32
SYSAD33
SYSAD35
SYSAD34
SYSAD36
SYSAD38
SYSAD37
SYSAD39
SYSAD45
SYSAD47
SYSAD44
SYSAD43
SYSAD40
SYSAD46
SYSAD41
SYSAD42
SYSAD57
SYSAD59
SYSAD58
SYSAD61
SYSAD55
SYSAD50
SYSAD51
SYSAD52
SYSAD48
SYSAD60
SYSAD49
SYSAD62
SYSAD63
SYSAD53
SYSAD56
SYSAD54
SYSADC0
SYSADC1
SYSADC2
SYSADC3
SYSADC4
SYSADC5
SYSADC6
SYSADC7
SYSAD0
SYSAD1
SYSAD2
SYSAD3
SYSAD4
SYSAD5
SYSAD7
SYSAD6
SYSAD8
SYSAD9
SYSAD11
SYSAD10
SYSAD14
SYSAD15
SYSAD12
SYSAD13
SYSAD16
SYSAD17
SYSAD19
SYSAD18
SYSAD22
SYSAD23
SYSAD20
SYSAD21
SYSAD29
SYSAD28
SYSAD30
SYSAD26
SYSAD24
SYSAD27
SYSAD31
SYSAD25
SYSAD32
SYSAD33
SYSAD35
SYSAD34
SYSAD38
SYSAD39
SYSAD36
SYSAD37
SYSAD45
SYSAD44
SYSAD46
SYSAD42
SYSAD40
SYSAD43
SYSAD47
SYSAD41
SYSAD53
SYSAD51
SYSAD60
SYSAD58
SYSAD61
SYSAD59
SYSAD48
SYSAD52
SYSAD50
SYSAD49
SYSAD56
SYSAD62
SYSAD55
SYSAD57
SYSAD63
SYSAD54
SYSCMD0
SYSCMD1
SYSCMD2
SYSCMD3
SYSCMD4
SYSCMD5
SYSCMD6
SYSCMD7
SYSCMD8
SYSAD26
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
SYSAD[63:0]
SYSCMD[8:0]
EXREQ_
RLS_
READY_
VALIN_
VALOUT_
MASTERCLK
INTR0_
INTR1_
INTR2_
PARINTR_
VCCOK
COLDRES_
NMI_
CPURES_
MODECLK
MODEIN
CPU
AR-PB8
AR-PB8
9 – 4
9 – 5
R95
10
R96
10
X2
14.318MHz
CY2292
1
2
IC18
CLKB
9
CLKA
10
10
66
113
GND
11
S0
12
S1
13
VCC
14
SP_
15
SHUTDN_
16
CLKC
1
VCC
2
GND
3
XTALIN
4
XTALOUT
5
XBUF
6
CLKD
7
CPUCLK
8
R169
R125
10
R138
4.7K
R168
4.7K
R166
4.7K
C13
10u
C9
10u
C70
0.1u
C76
0.1u
R167
4.7K
L2
1
2
C45
0.1u
R61
10
R60
10
R25
10
R26
10
R27
10
R23
10
R24
10
R28
10
R29
10
R12
10
R11
10
R104
20K
R105
75
C60
0.01u
C12
10u
C69
0.1u
C59
0.1u
C44
0.1u
C7
10u
C8
10u
IC17-2
GA1
MA0
254
253
252
249
248
247
246
245
244
243
240
239
238
236
234
230
228
226
221
219
217
215
211
209
207
203
201
199
197
193
191
189
183
181
179
175
173
171
169
165
163
161
157
155
237
235
231
229
227
225
220
218
216
212
210
208
206
202
200
198
194
192
190
188
182
180
178
174
172
170
166
164
162
160
156
154
153
152
151
RAS3_
150
CAS0_
146
CAS1_
145
CAS2_
144
CAS3_
143
CAS4_
142
CAS5_
141
CAS6_
140
CAS7_
CAS0_
CAS1_
CAS2_
CAS3_
CAS4_
CAS5_
CAS6_
CAS7_
139
136
135
ROMCS0_
134
ROMCS1_
133
ROMCS2_
132
ROMCS3_
131
269
BUFOE_
270
271
PLL_TEST
72
PLL_EN
71
VCOIN
79
CPOUT
76
PLLVDD
78
PLLGND
77
VCC
1
VCC
9
VCC
18
VCC
27
VCC
39
VCC
48
VCC
58
VCC
64
VCC
74
VCC
75
VCC
89
VCC
99
VCC
109
VCC
127
VCC
137
VCC
148
VCC
149
VCC
158
VCC
167
VCC
176
VCC
187
VCC
195
VCC
204
VCC
213
VCC
222
VCC
223
VCC
232
VCC
241
VCC
250
VCC
261
VCC
272
VCC
281
VCC
290
VCC
296
DC2_TEST
68
GND
251
GND
295
GND
294
GND
291
GND
282 GND
273
GND
260 GND
259 GND
258
GND
242
GND
233
GND
224
GND
214 GND
205
GND
196 GND
186 GND
185 GND
184
GND
177 GND
168 GND
159 GND
147
GND
GND
138
GND
128
GND
112
GND
GND
GND
GND
111
GND
110
GND
100
GND
90
GND
80
GND
73
GND
65
GND
59
GND
49
GND
38
GND
37
36
28
19
10
SCAN_EN
70
SCAN_TEST
69
TESTMODE
67
R322
10
IC25A
74LVC74
D
2
CLK
3
Q
Q
5
6
6
PR
4
CL
1
R65
10
R39
10
R66
10
R74
10
R38
10
IC27C
74LVC32
9
10
8
IC24C
74LVC04
5
6
C101
0.1u
C102
0.1u
R323
10
IC25B
74LVC74
D
D
12
CLK
11
Q
9
Q
8
PR
10
CL
13
IC26B
74LVC08
4
5
5
6
6
R76
4.7K
R68
10
R70
10
R77
4.7K
R98
10
R71
10
R93
10
R72
10
R99
10
R73
10
R100
10
R94
4.7K
R97
10
R101
10
R103
10
R75
4.7K
R63
10
R64
10
R62
10
IC28A
74LVC74
2
CLK
3
PR
CL
1
IC26C
74LVC08
9
10
8
IC26D
74LVC08
12
13
11
IC27B
74LVC32
4
4
5
IC27A
74LVC32
1
2
3
IC17-1
GA1
91
88
87
86
85
84
83
82
81
274
275
276
277
278
279
280
283
284
285
286
287
288
289
292
293
2
3
4
5
6
7
8
11
12
13
14
15
16
17
20
21
22
23
24
25
26
29
30
31
32
33
34
35
40
41
42
43
44
45
46
47
50
51
52
53
54
55
56
57
60
61
62
63
VALOUT_
VALIN_
READY_
EXREQ_
RLS_
VALOUT_
VALIN_
READY_
EXREQ_
RLS_
INTR0_
INTR1_
INTR2_
NMI_
INTR0_
INTR1_
INTR2_
NMI_
VCCOK
CRST_
CPURST_
POR_
DREQ0_
DREQ1_
DREQ2_
DREQ3_
DACK0_
DACK1_
94
DACK2_
93
95
DACK3_
92
TC_
266
RXD1
263
TXD1
255
RXD2
264
TXD2
256
SYNCEN_
257
VFCLK
262
HSYNC_
265
PAGE_
267
VDATA_
268
MASTERCLK
SCLK
PIACS0_
130
PIACS1_
129
PIACS2_
126
PIACS3_
125
PIACS4_
124
PIACS5_
123
PIAWE_
122
PIARD_
108
WAIT
PIAWE_
PIARD_
WAIT
121
IC24D
74LVC04
9
8
C100
0.1u
C99
0.1u
MA1
MA2
MA3
MA4
MA5
MA6
MA7
MA8
MA9
MA10
MA11
MA0
MA1
MA2
MA3
MA4
MA5
MA6
MA7
MA8
MA9
MA10
MA11
MD0
MD1
MD2
MD3
MD4
MD5
MD7
MD6
MD8
MD9
MD11
MD10
MD14
MD15
MD13
MD12
MD16
MD17
MD19
MD18
MD22
MD23
MD21
MD20
MD30
MD25
MD26
MD28
MD31
MD24
MD27
MD29
MD32
MD33
MD35
MD34
MD38
MD39
MD37
MD36
MD0
MD1
MD2
MD3
MD4
MD5
MD7
MD6
MD8
MD9
MD11
MD10
MD14
MD15
MD13
MD12
MD16
MD17
MD19
MD18
MD22
MD23
MD21
MD20
MD30
MD25
MD26
MD28
MD31
MD24
MD27
MD29
MD32
MD33
MD35
MD34
MD37
MD36
MD46
MD41
MD42
MD44
MD47
MD40
MD43
MD45
MD50
MD55
MD56
MD60
MD57
MD62
MD54
MD53
MD51
MD59
MD63
MD49
MD58
MD48
MD61
MD52
MD38
MD39
MD46
MD41
MD42
MD44
MD47
MD40
MD43
MD45
MD50
MD55
MD56
MD60
MD57
MD62
MD54
MD53
MD51
MD59
MD63
MD49
MD58
MD48
MD61
MD52
SYSCMD0
SYSCMD7
SYSCMD8
SYSCMD1
SYSCMD2
SYSCMD3
SYSCMD4
SYSCMD5
SYSCMD6
SYSCMD0
SYSCMD7
SYSCMD8
SYSCMD1
SYSCMD2
SYSCMD3
SYSCMD4
SYSCMD5
SYSCMD6
SYSAD47
SYSAD54
SYSAD48
SYSAD11
SYSAD56
SYSAD18
SYSAD62
SYSAD4
SYSAD26
SYSAD12
SYSAD29
SYSAD33
SYSAD53
SYSAD57
SYSAD37
SYSAD42
SYSAD10
SYSAD25
SYSAD45
SYSAD5
SYSAD50
SYSAD22
SYSAD13
SYSAD35
SYSAD52
SYSAD63
SYSAD41
SYSAD30
SYSAD34
SYSAD7
SYSAD58
SYSAD14
SYSAD46
SYSAD59
SYSAD49
SYSAD38
SYSAD16
SYSAD1
SYSAD60
SYSAD27
SYSAD23
SYSAD28
SYSAD6
SYSAD43
SYSAD61
SYSAD24
SYSAD8
SYSAD17
SYSAD2
SYSAD44
SYSAD31
SYSAD39
SYSAD51
SYSAD20
SYSAD40
SYSAD9
SYSAD19
SYSAD55
SYSAD3
SYSAD21
SYSAD15
SYSAD32
SYSAD36
SYSAD0
SYSAD47
SYSAD54
SYSAD48
SYSAD11
SYSAD56
SYSAD18
SYSAD62
SYSAD4
SYSAD26
SYSAD12
SYSAD29
SYSAD33
SYSAD53
SYSAD57
SYSAD37
SYSAD42
SYSAD10
SYSAD25
SYSAD45
SYSAD5
SYSAD50
SYSAD22
SYSAD13
SYSAD35
SYSAD52
SYSAD63
SYSAD41
SYSAD30
SYSAD34
SYSAD7
SYSAD58
SYSAD14
SYSAD46
SYSAD59
SYSAD49
SYSAD38
SYSAD16
SYSAD1
SYSAD60
SYSAD27
SYSAD23
SYSAD28
SYSAD6
SYSAD43
SYSAD61
SYSAD24
SYSAD8
SYSAD17
SYSAD2
SYSAD44
SYSAD31
SYSAD39
SYSAD51
SYSAD20
SYSAD40
SYSAD9
SYSAD19
SYSAD55
SYSAD3
SYSAD21
SYSAD15
SYSAD32
SYSAD36
SYSAD0
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
HSYNC_
PAGE_
VDIN_
RAS0_
RAS1_
RAS2_
RAS0_
RAS1_
RAS2_
MOE_
MWE_
MOE_
MWE_
RCS0_
RCS1_
RCS3_
ROMWE_
ROMWE_
BUFDIR
BUFDIR
MA[11:0]
MD[63:0]
SYSAD[63:0]
MPARREQ_
EETCS_
VFCLK
NICCS_
RESET_
LDTOE_
PIACS0_
RESET_
RESET_
CPURES_
PARREQ_
COLDRES_
STS
RESET_
VCCOK
CMD
SYSCMD[8:0]
PARACK_
RCS2_
RESET_
SYNCEN_
SYNCEN_
MASTERCLK
MPARREQ_
MASTERCLK
GA2CLK
A
B
C
D
E
A
B
C
D
E
4
3
2
1
4
3
2
1
107
106
105
119
104
103
102
101
98
97
96
118
117
116
115
114
120
Q
Q
ASIC 1
AR-PB8
AR-PB8
9 – 6
9 – 7
R176
10
R223
10
IC21
74LS244
1A1
2
1A2
4
1A3
6
1A4
8
2A1
11
2A2
13
2A3
15
2A4
17
1G
1
2G
19
1
19
18
16
14
12
9
7
5
3
20
10
IC20
74LS244
2
4
6
8
11
13
15
17
1G
1
19
2G
1Y1
18
1Y2
16
1Y3
14
1Y4
12
2Y1
9
2Y2
7
2Y3
5
2Y4
3
20
10
IC22
74LS245
A1
2
A2
3
A3
4
A4
5
A5
6
A6
7
A7
8
A8
9
G
DIR
B1
B2
B3
B4
B5
B6
B7
B8
VDD
VDD
VDD
VDD
VDD
VDD
20
GND
GND
GND
GND
GND
GND
GND
10
C71
0.1u
C61
0.1u
C39
0.1u
R139
22
SV
R129
1.2K
C80
100p
C79
100p
C78
100p
C77
100p
R140
22
R141
22
R142
22
R128
1.2K
R127
1.2K
R126
1.2K
C53
100p
C52
100p
C51
100p
C50
100p
C49
100p
C48
100p
C47
100p
C46
100p
R41
22
R42
22
R43
22
R44
22
R45
22
R46
22
R47
22
R48
22
R37
1.2K
R36
1.2K
R35
1.2K
R34
1.2K
R33
1.2K
R32
1.2K
R31
1.2K
R30
1.2K
C66
100p
C65
100p
C64
100p
C63
100p
C62
100p
R106
22
R107
22
R108
22
R109
22
R110
22
R205
10K
R204
10K
R203
10K
R202
10K
R201
10K
R229
10K
R227
10K
R228
10K
R231
10K
R232
10K
R233
10K
R234
10K
R235
10K
R226
22
R225
22
R224
10
IC23
24C16
A0
1
A1
2
A2
3
GND
4
SDA
5
SCK
6
TEST
7
VCC
8
C97
0.1u
R230
10K
C17
22u
C89
0.1u
C86
0.1u
R7
22
IC19
GA2
38
37
36
35
INIT_
SLCTIN_
AUTOFD_
STB_
PD ACK_
56
34
33
32
31
30
ACK_
BUSY
PE
FAULT_
SLCT
PDREQ_
57
PARAD0
50
PARAD1
49
PARAD2
47
PARAD3
46
PARAD4
45
PARAD5
43
PARAD6
42
PARAD7
39
18
17
16
15
14
13
12
11
REV_
53
CPUINTR_
7
ADR2
13
ADR3
14
ADR4
15
ADR5
16
CPUD0
64
CPUD1
65
CPUD2
66
CPUD3
67
CPUD4
68
CPUD5
70
CPUD6
71
CPUD7
73
CPUD8
74
CPUD9
75
CPUD10
77
CPUD11
78
CPUD12
79
CPUD13
2
CPUD14
3
CPUD15
4
DEVCS_
59
DEVWR_
60
DEVRD_
61
RES_
62
MODECLK
MODECLK
5
VCCOK
63
MODEIN
6
BSEL0
29
BSEL1
28
BSEL2
27
BSEL3
26
BSEL4
25
SDAIN
24
READY_
17
CRDY_
18
PSON_
19
NETON_
20
EX
21
SCK
22
SDAOUT
23
SRDY_
10
EREADY_
9
DUMMY
8
SCLK
58
40
41
80
48
72
11
51
52
12
69
76
SCANEN
54
SCANTEST
55
1
44
RAD2
RAD3
RAD4
RAD5
SYSAD0
SYSAD1
SYSAD2
SYSAD3
SYSAD4
SYSAD5
SYSAD6
SYSAD7
SYSAD10
SYSAD11
SYSAD8
SYSAD9
SYSAD14
SYSAD15
SYSAD12
SYSAD13
PD A T A7
PD A T A6
PD A T A5
PD A T A4
PD A T A3
PD A T A2
PD A T A1
PD A T A0
5V
5V
5V
5V
3.3V
3.3V
3.3V
5V
3.3V
3.3V
3.3V
RAD[21:1]
SYSAD[15:0]
PARINTR_
PARREQ_
PARACK_
PIACS0_
PIARD_
PIAWE_
RESET_
MODECLK
VCCOK
INIT_
SLCTIN_
AUTOFD_
STB_
ACK_
BUSY
PE
FAULT_
SLCT
PDATA[7:0]
EREADY_
CRDY_
NETON_
GA2CLK
MODEIN
SRDY_
PREADY_
DUMMY
1A1
1A2
1A3
1A4
2A1
2A2
2A3
2A4
1Y1
1Y2
1Y3
1Y4
2Y1
2Y2
2Y3
2Y4
ON_
ASIC 2
A
B
C
D
E
A
B
C
D
E
4
3
2
1
4
3
2
1
AR-PB8
AR-PB8
9 – 8
9 – 9
4
3
2
1
4
2
1
3
E
D
C
B
A
E
D
C
B
A
LDT[15:0]
SYSAD[15:0]
PIARD_
LDTOE_
MBA[11:0]
MA[11:0]
MBOE_
MBWE_
MBRAS2_
MBRAS1_
MOE_
MWE_
RAS2_
RAS1_
RAD[21:1]
SYSAD[63:0]
ROMWE_
BUFDIR
ROE_
FWE_
3.3V
3.3V
3.3V
3.3V
74LVC16245
IC13
74LVC244
IC12
0.1u
C75
IC11
74LVC16244
10
R57
10
R56
10
R54
10
R55
10
R53
10
R52
10
R51
10
R50
10
R49
10
R92
10
R91
10
R90
10
R89
10
R88
10
R87
10
R86
0.1u
C55
IC10
74LVC16244
10
R284
10
R285
10
R286
10
R270
10
R269
10
R268
10
R267
10
R289
10
R291
10
R290
10
R288
10
R292
10
R293
10
R294
10
R295
10
R296
10
R297
10
R298
10
R299
10
R300
10
R301
10
R302
10
R271
0.1u
C93
0.1u
C94
25
2OE_
48
1OE_
24
2DIR
1
1DIR
26
2A8
37
1A8
38
1A7
27
2A7
40
1A6
29
2A6
41
1A5
30
2A5
43
1A4
32
2A4
44
1A3
33
2A3
46
1A2
12
1B8
42
VCC
11
1B7
35
2A2
9
1B6
31
VCC
8
1B5
47
1A1
23
2B8
6
1B4
22
2B7
18
VCC
20
2B6
5
1B3
19
2B5
36
2A1
45
GND
17
2B4
39
GND
3
1B2
34
GND
16
2B3
28
GND
7
VCC
21
GND
14
2B2
15
GND
2
1B1
10
GND
13
2B1
4
GND
10
GND
20
VCC
3
2Y4
5
2Y3
7
2Y2
9
2Y1
12
1Y4
14
1Y3
16
1Y2
18
1Y1
19
2G
1
1G
17
2A4
15
2A3
13
2A2
11
2A1
8
1A4
6
1A3
4
1A2
2
1A1
1
1OE_
13
3Y1
48
2OE_
2
1Y1
25
3OE_
36
3A1
24
4OE_
47
1A1
14
3Y2
3
1Y2
4
GND
16
3Y3
46
1A2
5
1Y3
17
3Y4
35
3A2
19
4Y1
6
1Y4
10
GND
44
1A3
8
2Y1
20
4Y2
9
2Y2
11
2Y3
22
4Y3
12
2Y4
33
3A3
43
1A4
23
4Y4
15
GND
41
2A1
32
3A4
21
GND
40
2A2
7
VCC
30
4A1
38
2A3
28
GND
37
2A4
29
4A2
34
GND
27
4A3
39
GND
45
GND
26
4A4
18
VCC
31
VCC
42
VCC
1
1OE_
13
3Y1
48
2OE_
2
1Y1
25
3OE_
36
3A1
24
4OE_
47
1A1
14
3Y2
3
1Y2
4
GND
16
3Y3
46
1A2
5
1Y3
17
3Y4
35
3A2
19
4Y1
6
1Y4
10
GND
44
1A3
8
2Y1
20
4Y2
9
2Y2
11
2Y3
22
4Y3
12
2Y4
33
3A3
43
1A4
23
4Y4
15
GND
41
2A1
32
3A4
21
GND
40
2A2
7
VCC
30
4A1
38
2A3
28
GND
37
2A4
29
4A2
34
GND
27
4A3
39
GND
45
GND
26
4A4
18
VCC
31
VCC
42
VCC
LDT12
LDT15
LDT13
LDT14
LDT10
LDT11
LDT9
LDT8
LDT6
LDT7
LDT5
LDT4
LDT3
LDT2
LDT1
LDT0
SYSAD13
SYSAD14
SYSAD12
SYSAD15
SYSAD10
SYSAD11
SYSAD9
SYSAD8
SYSAD6
SYSAD7
SYSAD5
SYSAD4
SYSAD3
SYSAD2
SYSAD1
SYSAD0
MBA10
MBA11
MBA9
MBA8
MBA6
MBA7
MBA5
MBA4
MBA3
MBA2
MBA1
MBA0
MA10
MA11
MA9
MA8
MA6
MA7
MA5
MA4
MA3
MA2
MA1
MA0
RAD21
RAD20
RAD19
RAD18
RAD17
RAD14
RAD13
RAD16
RAD15
RAD11
RAD12
RAD10
RAD9
RAD7
RAD8
RAD6
RAD5
RAD4
RAD3
RAD2
RAD1
SYSAD53
SYSAD52
SYSAD51
SYSAD50
SYSAD49
SYSAD47
SYSAD46
SYSAD45
SYSAD48
SYSAD44
SYSAD43
SYSAD42
SYSAD41
SYSAD40
SYSAD39
SYSAD38
SYSAD37
SYSAD36
SYSAD35
SYSAD34
SYSAD33
CPWBX0034QS51
MEMORY BUFFER
AR-PB8
AR-PB8
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