NS9210B-0-I75 Datasheet, PDF (51/68 Pages) List of Unclassifed Manufacturers – Figure 1 shows the NS7520 modules. Dashed lines indicate shared pins

SDRAM load mode
BCLK
CS[4:0]*
CAS3* (RAS)
CAS2* (CAS)
CAS1* (WE)
CAS0* (A10/AP)
A[13:0]
prechg
27
34
34
nop
34
34
34
load
27
34
34
34
34
34
35
35
op code
SDRAM refresh
BCLK
CS[4:0]*
CAS3* (RAS)
CAS2* (CAS)
CAS1* (WE)
CAS0* (A10/AP)
prechg
27
34
34
inhibit
27
34
34
34
refresh
27
27
34
34
34
SDRAM timing
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