W958D6DB Datasheet, PDF (22/57 Pages) Winbond – Low-power features

8.4.2.2 Read Configuration Register
READ
CE #
W958D6DB
256Mb Async./Burst/Sync./A/D MUX
READ
WRITE
READ
OE #
WE #
LB #/UB #
ADV#
A[max:16 ]
Address
(MAX)
A/DQ[15:0]
Address
(MAX)
XXXX
Address
(MAX)
Address
(MAX)
XXXX
Address
(MAX)
Address
(MAX)
Address
(MAX)
0ns (min)
Address
(MAX)
CR value
out
RCR:0000h
BCR:0001h
DIDR:0002h
Don’t Care
8.4.3 Bus Configuration Register
The BCR defines how the ADMUX PSRAM device interacts with the system memory bus. At power-up, the BCR is
set to 9D1Fh. The BCR is accessed with CRE HIGH and A[19:18] = 10b, or through the register access software
sequence with A/DQ = 0001h on the third cycle.
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Publication Release Date : June 27 ,2013
Revision : A01-003