Sony MZ-NF610 service manual DVSS0

MZ-NF610

Pin No.	Pin Name	I/O		Description
249	XCS	Ñ	DRAM chip select terminal	Not used (open)
250	CLK	Ñ	DRAM clock terminal Not used (open)
251	CKE	Ñ	DRAM clock enable terminal	Not used (open)
252	UDQM	Ñ	DRAM byte mask terminal	Not used (open)
253	LDQM	Ñ	DRAM byte mask terminal	Not used (open)
254	DVDD0	Ñ	Power supply terminal
255	DVSS0	Ñ	Ground terminal
256	DVDD1	Ñ	Power supply terminal
257	DVSS1	Ñ	Ground terminal
258	DVDD2	Ñ	Power supply terminal
259	DVSS2	Ñ	Ground terminal
260	DVDD3	Ñ	Power supply terminal
261	DVSS3	Ñ	Ground terminal
262	DVDD4	Ñ	Power supply terminal
263	DVSS4	Ñ	Ground terminal
264	IFVDD0	Ñ	Power supply terminal (for the microcomputer I/F block)
265	IFVSS0	Ñ	Ground terminal (for the microcomputer I/F block)
266	IFVDD1	Ñ	Power supply terminal (for the microcomputer I/F block)
267	IFVSS1	Ñ	Ground terminal (for the microcomputer I/F block)
268	IFVDD2	Ñ	Power supply terminal (for the microcomputer I/F block)
269	IFVSS2	Ñ	Ground terminal (for the microcomputer I/F block)
270	IFVDD3	Ñ	Power supply terminal (for the microcomputer I/F block)
271	IFVSS3	Ñ	Ground terminal (for the microcomputer I/F block)
272	IFVDD4	Ñ	Power supply terminal (for the microcomputer I/F block)
273	IFVSS4	Ñ	Ground terminal (for the microcomputer I/F block)
274	AVDD	Ñ	Power supply terminal (for the microcomputer analog)
275	AVSS	Ñ	Ground terminal (for the microcomputer analog)
276	VDIOSC	Ñ	Power supply terminal (for the OSC cell)
277	VSIOSC	Ñ	Ground terminal (for the OSC cell)
278	DAVDD	Ñ	Power supply terminal (for the built-in D/A converter)
279	DAVSS	Ñ	Ground terminal (for the built-in D/A converter)
280	AVD1	Ñ	Power supply terminal (for the DSP asymmetry system analog)
281	AVS1	Ñ	Ground terminal (for the DSP asymmetry system analog)
282	AVD2	Ñ	Power supply terminal (for the DSP servo system analog)
283	AVS2	Ñ	Ground terminal (for the DSP servo system analog)
284	TSMVDD	Ñ	Power supply terminal (for the TSB master communication)
285	TSLVDD	Ñ	Power supply terminal (for the TSB slave I/F)
286	DRAMVDD1	Ñ	Power supply terminal (for DRAM)
287	DRAMVSS1	Ñ	Ground terminal (for DRAM)
288	DRAMVDD2	Ñ	Power supply terminal (for DRAM)
289	DRAMVSS2	Ñ	Ground terminal (for DRAM)
290	ITO	Ñ	Power supply terminal (for writing the flash memory)
291	MITY	Ñ	Ground terminal (for writing the flash memory)
292	USBIFVDD	Ñ	Power supply terminal (for USB I/F)
293	MVDD	Ñ	Power supply terminal (for the microcomputer I/F block)
294	USBOSCVDD	Ñ	Power supply terminal (for the USB oscillation circuit)
295	USBOSCVSS	Ñ	Ground terminal (for the USB oscillation circuit)
296	AVDPLL	Ñ	Power supply terminal (for PLL)
297	AVSPLL	Ñ	Ground terminal (for PLL)
298	EVA	I	EVA terminal (fixed at ÒLÓ in this set)

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