SM5902AF datasheet(12/40 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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12 / 40 page

Write command format (Commands 80 to 86)

SM5902AF has two modes of operation; shock-

proof mode and through mode.

The operating sequences are controlled using com-

mands from a microcontroller.

COMMAND 8bit

DATA 8bit

YMDATA

YMCLK

YMLD

COMMAND 8bit

YMDATA

YMCLK

YMLD

STATUS 8bit

ZSENSE

COMMAND 8bit

YMDATA

YMCLK

YMLD

RESIDUAL DATA 16bit

ZSENSE

M1 M2

Functional description

Read command format (Command 92 (memory residual read))

Read command format (Commands 90, 91, 93)

Microcontroller interface

Commands from the microcontroller are input using

3-wire serial interface inputs; data (YMDATA), bit

clock (YMCLK) and load signal (YMLD).

In the case of a read command from the microcon-

troller, bit serial data is output (ZSENSE) synchro-

nized to the bit clock input (YMCLK).

Write command format (Commands 87)

D11 D10

COMMAND 8bit

DATA 12bit

YMDATA

YMCLK

YMLD

NIPPON PRECISION CIRCUITS-12

SM5902AF

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