SM5902AF datasheet(16/40 Pages) NPC

Teilenummer	SM5902AF

Bauteilbeschribung	compression and non compression type shock-proof memory controller

PDF	40 Pages

Scroll/Zoom	100%

Hersteller	NPC [Nippon Precision Circuits Inc]

Direct Link	http://www.npc.co.jp/en

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16 / 40 page

Bit

Name

Function

HIGH-level state

FLAG6

Signal processor IC jitter margin exceeded

Exceeded

MSOVF

Write overflow (Read once only when RA exceeds WA)

DRAM overflow

BOVF

Input buffer memory overflow

because sampling rate of input data is too fast

DCOMP

Data compare-connect sequence operating

Compare-connect sequence operating

MSWIH

Encode sequence stop due to internal factors

Encoding stopped

MSRIH

Decode sequence stop due to internal factors

Decoding stopped

1001 0000

90hex =

Refer to "Status flag operation summary".

Bit

Name

Function

HIGH-level state

MSEMP

Valid data empty state (Always HIGH when RA exceeds VWA)

No valid data

OVFL

Write overflow state (Always HIGH when WA exceeds RA)

Memory full

ENCOD

Encode sequence operating state

Encoding

DECOD

Decode sequence operating state

Decoding

QRDY

Subcode Q data write-buffer write enable

Write enabled

1001 0001

91hex =

Refer to "Status flag operation summary".

Read command summary

Shock-proof memory status (1) 90

Shock-proof memory status (2) 91

NIPPON PRECISION CIRCUITS-16

SM5902AF

SM5902AF Datenblatt(PDF) 16 Page - Nippon Precision Circuits Inc

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