MZ-B10 
| Pin No. | Pin Name | I/O | 
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| 249 | XCS | — | DRAM chip select terminal | Not used (open) | 
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| 250 | CLK | — | DRAM clock terminal Not used (open) | |
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| 251 | CKE | — | DRAM clock enable terminal | Not used (open) | 
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| 252 | UDQM | — | DRAM byte mask terminal | Not used (open) | 
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| 253 | LDQM | — | DRAM byte mask terminal | Not used (open) | 
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| 254 | DVDD0 | — | Power supply terminal | 
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| 255 | DVSS0 | — | Ground terminal | 
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| 256 | DVDD1 | — | Power supply terminal | 
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| 257 | DVSS1 | — | Ground terminal | 
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| 258 | DVDD2 | — | Power supply terminal | 
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| 259 | DVSS2 | — | Ground terminal | 
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| 260 | DVDD3 | — | Power supply terminal | 
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| 261 | DVSS3 | — | Ground terminal | 
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| 262 | DVDD4 | — | Power supply terminal | 
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| 263 | DVSS4 | — | Ground terminal | 
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| 264 | IFVDD0 | — | Power supply terminal (for the microcomputer I/F block) | |
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| 265 | IFVSS0 | — | Ground terminal (for the microcomputer I/F block) | |
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| 266 | IFVDD1 | — | Power supply terminal (for the microcomputer I/F block) | |
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| 267 | IFVSS1 | — | Ground terminal (for the microcomputer I/F block) | |
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| 268 | IFVDD2 | — | Power supply terminal (for the microcomputer I/F block) | |
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| 269 | IFVSS2 | — | Ground terminal (for the microcomputer I/F block) | |
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| 270 | IFVDD3 | — | Power supply terminal (for the microcomputer I/F block) | |
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| 271 | IFVSS3 | — | Ground terminal (for the microcomputer I/F block) | |
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| 272 | IFVDD4 | — | Power supply terminal (for the microcomputer I/F block) | |
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| 273 | IFVSS4 | — | Ground terminal (for the microcomputer I/F block) | |
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| 274 | AVDD | — | Power supply terminal (for the microcomputer analog) | |
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| 275 | AVSS | — | Ground terminal (for the microcomputer analog) | |
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| 276 | VDIOSC | — | Power supply terminal (for the OSC cell) | |
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| 277 | VSIOSC | — | Ground terminal (for the OSC cell) | |
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| 278 | DAVDD | — | Power supply terminal (for the  | |
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| 279 | DAVSS | — | Ground terminal (for the  | |
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| 280 | AVD1 | — | Power supply terminal (for the DSP asymmetry system analog) | |
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| 281 | AVS1 | — | Ground terminal (for the DSP asymmetry system analog) | |
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| 282 | AVD2 | — | Power supply terminal (for the DSP servo system analog) | |
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| 283 | AVS2 | — | Ground terminal (for the DSP servo system analog) | |
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| 284 | TSMVDD | — | Power supply terminal (for the TSB master communication) | |
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| 285 | TSLVDD | — | Power supply terminal (for the TSB slave I/F) | |
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| 286 | DRAMVDD0 | — | Power supply terminal (for DRAM) | |
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| 287 | DRAMVSS0 | — | Ground terminal (for DRAM) | |
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| 288 | DRAMVDD1 | — | Power supply terminal (for DRAM) | |
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| 289 | DRAMVSS1 | — | Ground terminal (for DRAM) | |
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| 290 | ITO | — | Power supply terminal (for writing the flash memory) | |
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| 291 | MITY | — | Ground terminal (for writing the flash memory) | |
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| 292 | USBIFVDD | — | Power supply terminal (for USB I/F) Not used (connected to the ground) | |
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| 293 | MVDD | — | Power supply terminal (for the microcomputer I/F block) | |
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| 294 | USBOSCVDD | — | Power supply terminal (for the USB oscillation circuit) Not used (connected to the ground) | |
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| 295 | USBOSCVSS | — | Ground terminal (for the USB oscillation circuit) | |
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| 296 | AVDPLL | — | Power supply terminal (for PLL) | |
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| 297 | AVSPLL | — | Ground terminal (for PLL) | 
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| 298 | EVA | I | EVA terminal (fixed at “L” in this set) | |
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