SM5902AF datasheet(20/40 Pages) NPC

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- MSWREN

When 1: Encode sequence starts

Invalid when MSON is not 1 within the

same 80H command

Invalid when FLAG6=1

Invalid when OVFL=1

Invalid when a compare-connect start

command (MSDCN2=1 or MSDCN1=1)

occurs simultaneously

Direct connect if a compare-connect

sequence is already operating

When 0: Encode sequence stops

- MSWACL

When 1: Initializes the write address (WA)

When 0: No operation

- MSRDEN

When 1: Decode sequence starts

Does not perform decode sequence if

MSON=1.If there is no valid data, decode

sequence temporarily stops. But, because

the MSRDEN flag setting is maintained as

is, the sequence automatically re-starts

when valid data appears.

When 0: Decode sequence stops

-MSRACL

When 1: Initializes the read address (RA)

When 0: No operation

- MSDCN2, MSDCN1

When 1 and 1: 3-pair compare-connect sequence

starts

When 1 and 0: 2-pair compare-connect sequence

starts

When 0 and 1: Direct connect sequence starts

When 0 and 0: Compare-connect sequence stops.

No operation if a compare-connect

sequence is not operating.

- WAQV

When 1: The immediately preceding YBLKCK

falling-edge timing WA (write address)

becomes the VWA (valid write address).

When 0: No operation

- MSON

When 1: Memory system turns ON and shock-

proof operation starts

When 0: Memory system turns OFF and through-

mode playback starts. (In this mode, the

attenuator is still active.)

Write command supplementary information

80H (MS command)

81H (Extension I/O port settings)

82H (Extension I/O port output data settings)

NIPPON PRECISION CIRCUITS-20

SM5902AF

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