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Q123 : CXD2752R
126 WARFI
Ai Analog RF signal input for PSP physical disc mark detection. The full scale is 0.0 to 2.5V. (typ.)
127 WAVRB
Ai A/D bottom reference for PSP physical disc mark detection. The voltage input to this pin is set to bottom level of
the A/D converter.
128 WAVSS
— A/D GND for PSP physical disc mark detection.
129 WAVSS
— A/D GND for PSP physical disc mark detection.
130 VSIO
— I/O GND.
131 DQ7
I/O SDRAM data I/O. (MSB)
132 DQ6
I/O SDRAM data I/O.
133 DQ5
I/O SDRAM data I/O.
134 DQ4
I/O SDRAM data I/O.
135 VDIO
— I/O power supply. Supply +3.3V.
136 DQ3
I/O SDRAM data I/O.
137 DQ2
I/O SDRAM data I/O.
138 DQ1
I/O SDRAM data I/O.
139 DQ0
I/O SDRAM data I/O. (LSB)
140 VSIO
— I/O GND.
141 DCLK
O SDRAM clock output.
142 DCKE
O SDRAM clock enable output.
143 XWE
O SDRAM write enable output. Connect to the XWE pin of the SDRAM.
144 XCAS
O SDRAM column address strobe output. Connect to the CAS pin of the SDRAM.
145 XRAS
O SDRAM row address strobe output. Connect to the RAS pin of the SDRAM.
146 VDIO
— I/O power supply. Supply +3.3V.
147 TESTO
O Test output. Leave open.
148 A11
O SDRAM address output. (MSB)
149 A10
O SDRAM address output.
150 VSC
— Core GND.
151 A9
O SDRAM address output.
152 A8
O SDRAM address output.
153 VDC
— Core power supply. Supply +2.5V.
154 A7
O SDRAM address output.
155 A6
O SDRAM address output.
156 A5
O SDRAM address output.
157 A4
O SDRAM address output.
158 VSIO
— I/O GND.
159 A3
O SDRAM address output.
160 A2
O SDRAM address output.
161 A1
O SDRAM address output.
162 A0
O SDRAM address output. (LSB)
163 VDIO
— I/O power supply. Supply +3.3V.
164 XSRQ
O Output for data request to front-end processor.
165 XSHD
I
Input for header fl ag output from front-end processor.
166 SDCK
I
Input for data transfer clock output from front-end processor.
167 XSAK
I
Input for data valid fl ag output from front-end processor.
168 SDEF
I
Input for error fl ag output from front-end processor.
169 SD0
I
Input for stream data from front-end processor. (LSB)
170 SD1
I
Input for stream data from front-end processor.
171 SD2
I
Input for stream data from front-end processor.
172 SD3
I
Input for stream data from front-end processor.
173 SD4
I
Input for stream data from front-end processor.
174 SD5
I
Input for stream data from front-end processor.
175 SD6
I
Input for stream data from front-end processor.
176 SD7
I
Input for stream data from front-end processor. (MSB)
Ipu: pulled-up input, Ipd: pulled-down input, Ai: analog input
34
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