Sony SCD-C555ES Service Manual page 50

SCD-C555ES
Pin No. Pin Name
143 XWE
144 XCAS
145 XRAS
146 VDIO
147 TESTO
148 A11
149 A10
150 VSC
151 A9
152 A8
153 VDC
154 A7
155 A6
156 A5
157 A4
158 VSIO
159 A3
160 A2
161 A1
162 A0
163 VDIO
164 XSRQ
165 XSHD
166 SDCK
167 XSAK
168 SDEF
169 SD0
170 SD1
171 SD2
172 SD3
173 SD4
174 SD5
175 SD6
176 SD7
50
I/O
O Write enable output terminal for SDRAM.. Connect it to XWE terminal of DRAM.
O Column address strobe output terminal for SDRAM. Connect it to CAS terminal of SDRAM.
O Row address strobe output terminal for SDRAM. Connect it to RAS terminal of SDRAM.
— Power terminal for input and output. Supply +3.3 V.
O Keep open.
O Address output terminal for SDRAM ÅiMSBÅj.
O Address output terminal for SDRAM.
— Ground terminal for core.
O Address output terminal for SDRAM.
O Address output terminal for SDRAM.
— Power terminal for core. Supply +2.5 V.
O Address output terminal for SDRAM.
O Address output terminal for SDRAM.
O Address output terminal for SDRAM.
O Address output terminal for SDRAM.
— Ground terminal for input and output.
O Address output terminal for SDRAM.
O Address output terminal for SDRAM.
O Address output terminal for SDRAM.
O Address output terminal for SDRAM. (LSB).
— Power terminal for input and output. Supply +3.3 V.
O Data request output terminal that inputs into front end processor.
I Input terminal for header flag that is output from front end processor.
I Input terminal for data transmission clock that is output from front end processor.
I Input terminal for data effective flag that is output from front end processor.
I Input terminal for error flag that is output from front end processor.
I Input terminal for stream data that is output from front end processor (LSB).
I Input terminal for stream data that is output from front end processor.
I Input terminal for stream data that is output from front end processor.
I Input terminal for stream data that is output from front end processor.
I Input terminal for stream data that is output from front end processor.
I Input terminal for stream data that is output from front end processor.
I Input terminal for stream data that is output from front end processor.
I Input terminal for stream data that is output from front end processor (MSB).
Description