Xerox WorkCentre Pro 412 Manual De Servicio página 33

Tabla de contenido
No
Pin Name
121
nDRAMCAS3
122
Vsso
123
nDRAMOE
124
nDRAMWE
125
Vssi
126
nDRAMRAS0
127
Vddi
128
nDRAMRAS1
129
nDRAMRAS2
130
nDRAMRAS3
131
Vsso
132
DRAMD0
133
Vddo
134
DRAMD1
135
DRAMD2
136
DRAMD3
137
DRAMD4
138
Vsso
139
DRAMD5
140
DRAMD6
141
DRAMD7
142
Vssi
143
DRAMD8
144
Vddi
145
DRAMD9
146
DRAMD10
147
DRAMD11
148
Vssp
149
DRAMD12
150
Vddp
WorkCentre Pro 412
Versión de Lanzamiento
I/O
Reset Value
O
L
Vss
-
O
H
O
H
Vss
-
O
L
Vdd
-
O
L
O
"
O
"
Vss
-
I/O
Input
Vdd
-
I/O
Input
I/O
"
I/O
"
I/O
"
Vss
-
I/O
Input
I/O
"
I/O
"
Vss
-
I/O
Input
Vdd
-
I/O
Input
I/O
"
I/O
"
Vss
-
I/O
Input
Vdd
-
Augosto 2001
Descripción de Circuitos
Description
DRAM Cas Strobe 3
5 V Gnd
DRAM Data Out Enable
DRAM Data Write Enable
3.3 V Gnd
DRAM Ras Strobe 0
3.3 V
DRAM Ras Strobe 1
DRAM Ras Strobe 2
DRAM Ras Strobe 3
5 V Gnd
DRAM Data Bus 0
5 V
DRAM Data Bus 1
DRAM Data Bus 2
DRAM Data Bus 3
DRAM Data Bus 4
5 V Gnd
DRAM Data Bus 5
DRAM Data Bus 6
DRAM Data Bus 7
3.3 V Gnd
DRAM Data Bus 8
3.3 V
DRAM Data Bus 9
DRAM Data Bus 10
DRAM Data Bus 11
5 V Gnd
DRAM Data Bus 12
5 V
PAD
PHOB8, 8 mA
"
"
PHOB8, 8 mA
PHOB8, 8 mA
"
"
PHBTT12, 12mA
PHBTT12, 12mA
"
"
"
PHBTT12, 12mA
"
"
PHBTT12, 12mA
PHBTT12, 12mA
"
"
PHBTT12, 12mA
5-7
Tabla de contenido
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Tabla de contenido