W958D6DB Datasheet, PDF (17/57 Pages) Winbond – Low-power features

W958D6DB
256Mb Async./Burst/Sync./A/D MUX
8.4.1.1 Configuration Register WRITE Asynchronous Mode Followed by READ Operation
A[max:16]
(except A[19:18])
A[19:18] ¹
OPCODE
tAVS
tAVH
Select controrl register
Address
Address
CRE
ADV#
CE#
OE#
WE#
LB#/UB#
tAVS
tAVH
tVP
Initiate control register access
tCW
tCPH
tWP
Write address bus value
to control register
A/DQ[15:0]
OPCODE
Notes: 1. A[19:18] = 00b to load RCR, and 10b to load BCR.
Address
Valid
data
Dont’ Care
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Publication Release Date : June 27 ,2013
Revision : A01-003