Samsung SCX-5312F - Page 125

3-8
CIRCUIT DESCRIPTION
Samsung Electronics
Repair Manual
No Pin Name I/O Reset Value Description PAD
151 DRAMD13 I/O Input DRAM Data Bus 13 PHBTT12, 12mA
152 DRAMD14 I/O " DRAM Data Bus 14 "
153 DRAMD15 I/O " DRAM Data Bus 15 "
154 DRAMD16 I/O " DRAM Data Bus 16 "
155 Vsso Vss - 5VGnd
156 DRAMD17 I/O Input DRAM Data Bus 17 PHBTT12, 12mA
157 Vddo Vdd - 5V
158 DRAMD18 I/O Input DRAM Data Bus 18 PHBTT12, 12mA
159 DRAMD19 I/O " DRAM Data Bus 19 "
160 DRAMD20 I/O " DRAM Data Bus 20 "
161 DRAMD21 I/O " DRAM Data Bus 21 "
162 Vssi Vss - 3.3 V Gnd
163 DRAMD22 I/O Input DRAM Data Bus 22 PHBTT12, 12mA
164 Vddi Vdd - 3.3 V
165 DRAMD23 I/O Input DRAM Data Bus 23 PHBTT12, 12mA
166 DRAMD24 I/O " DRAM Data Bus 24 "
167 DRAMD25 I/O " DRAM Data Bus 25 "
168 DRAMD26 I/O " DRAM Data Bus 26 "
169 Vsso Vss - 5VGnd
170 DRAMD27 I/O Input DRAM Data Bus 27 PHBTT12, 12mA
171 Vddo Vdd - 5V
172 DRAMD28 I/O Input DRAM Data Bus 28 PHBTT12, 12mA
173 DRAMD29 I/O " DRAM Data Bus 29 "
174 DRAMD30 I/O " DRAM Data Bus 30 "
175 DRAMD31 I/O " DRAM Data Bus 31 "
176 Vsso Vss - 5VGnd
177 DRAMA0 O L DRAM Address Bus 0 PHOB8, 8 mA
178 DRAMA1 O " DRAM Address Bus 1 "
179 DRAMA2 O " DRAM Address Bus 2 "
180 DRAMA3 O " DRAM Address Bus 3 "