Sony MZ-B10 service manual DRAM chip select terminal

Models: MZ-B10

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MZ-B10

Pin No.

Pin Name

I/O

 

Description

 

 

 

 

 

249

XCS

DRAM chip select terminal

Not used (open)

 

 

 

 

250

CLK

DRAM clock terminal Not used (open)

 

 

 

 

 

251

CKE

DRAM clock enable terminal

Not used (open)

 

 

 

 

 

252

UDQM

DRAM byte mask terminal

Not used (open)

 

 

 

 

 

253

LDQM

DRAM byte mask terminal

Not used (open)

 

 

 

 

 

254

DVDD0

Power supply terminal

 

 

 

 

 

 

255

DVSS0

Ground terminal

 

 

 

 

 

 

256

DVDD1

Power supply terminal

 

 

 

 

 

 

257

DVSS1

Ground terminal

 

 

 

 

 

 

258

DVDD2

Power supply terminal

 

 

 

 

 

 

259

DVSS2

Ground terminal

 

 

 

 

 

 

260

DVDD3

Power supply terminal

 

 

 

 

 

 

261

DVSS3

Ground terminal

 

 

 

 

 

 

262

DVDD4

Power supply terminal

 

 

 

 

 

 

263

DVSS4

Ground terminal

 

 

 

 

 

264

IFVDD0

Power supply terminal (for the microcomputer I/F block)

 

 

 

 

265

IFVSS0

Ground terminal (for the microcomputer I/F block)

 

 

 

 

266

IFVDD1

Power supply terminal (for the microcomputer I/F block)

 

 

 

 

267

IFVSS1

Ground terminal (for the microcomputer I/F block)

 

 

 

 

268

IFVDD2

Power supply terminal (for the microcomputer I/F block)

 

 

 

 

269

IFVSS2

Ground terminal (for the microcomputer I/F block)

 

 

 

 

270

IFVDD3

Power supply terminal (for the microcomputer I/F block)

 

 

 

 

271

IFVSS3

Ground terminal (for the microcomputer I/F block)

 

 

 

 

272

IFVDD4

Power supply terminal (for the microcomputer I/F block)

 

 

 

 

273

IFVSS4

Ground terminal (for the microcomputer I/F block)

 

 

 

 

274

AVDD

Power supply terminal (for the microcomputer analog)

 

 

 

 

275

AVSS

Ground terminal (for the microcomputer analog)

 

 

 

 

276

VDIOSC

Power supply terminal (for the OSC cell)

 

 

 

 

277

VSIOSC

Ground terminal (for the OSC cell)

 

 

 

 

278

DAVDD

Power supply terminal (for the built-in D/A converter)

 

 

 

 

279

DAVSS

Ground terminal (for the built-in D/A converter)

 

 

 

 

280

AVD1

Power supply terminal (for the DSP asymmetry system analog)

 

 

 

 

281

AVS1

Ground terminal (for the DSP asymmetry system analog)

 

 

 

 

282

AVD2

Power supply terminal (for the DSP servo system analog)

 

 

 

 

283

AVS2

Ground terminal (for the DSP servo system analog)

 

 

 

 

284

TSMVDD

Power supply terminal (for the TSB master communication)

 

 

 

 

285

TSLVDD

Power supply terminal (for the TSB slave I/F)

 

 

 

 

286

DRAMVDD0

Power supply terminal (for DRAM)

 

 

 

 

287

DRAMVSS0

Ground terminal (for DRAM)

 

 

 

 

288

DRAMVDD1

Power supply terminal (for DRAM)

 

 

 

 

289

DRAMVSS1

Ground terminal (for DRAM)

 

 

 

 

290

ITO

Power supply terminal (for writing the flash memory)

 

 

 

 

291

MITY

Ground terminal (for writing the flash memory)

 

 

 

 

292

USBIFVDD

Power supply terminal (for USB I/F) Not used (connected to the ground)

 

 

 

 

293

MVDD

Power supply terminal (for the microcomputer I/F block)

 

 

 

 

294

USBOSCVDD

Power supply terminal (for the USB oscillation circuit) Not used (connected to the ground)

 

 

 

 

295

USBOSCVSS

Ground terminal (for the USB oscillation circuit)

 

 

 

 

296

AVDPLL

Power supply terminal (for PLL)

 

 

 

 

 

297

AVSPLL

Ground terminal (for PLL)

 

 

 

 

 

298

EVA

I

EVA terminal (fixed at “L” in this set)

 

 

 

 

 

51

Page 51
Image 51
Sony MZ-B10 service manual DRAM chip select terminal