Samsung SCX-5312F - Page 124

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