EM639165TS-75 データシートの表示（PDF） - Etron Technology
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EM639165TS-75 Datasheet PDF : 48 Pages
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EM639165
FUNCTION TRUTH TABLE (continued)
Current State /CS /RAS /CAS /WE Address
Command Action
READ
H X X XX
DESEL NOP (Continue Burst to END)
WRITE
L
H H HX
NOP NOP (Continue Burst to END)
L
HH
L BA
TBST Terminate Burst
READ Terminate Burst, Latch CA,Begin
L H L H BA, CA, A10
/READA Read, Determine Auto-Precharge*3
WRITE / Terminate Burst, Latch CA,Begin
L
HL
L BA, CA, A10 WRITEA Write, Determine Auto-Precharge*3
L
L H H BA, RA
ACT Bank Active / ILLEGAL*2
L
L H L BA, A10
PRE /
PREA Terminate Burst, Precharge
L
LL
HX
REFA ILLEGAL
Op-Code,
L
LL
L
Mode-Add
MRS ILLEGAL
H X X XX
DESEL NOP (Continue Burst to END)
L H H HX
NOP NOP (Continue Burst to END)
L
HH
L BA
TBST Terminate Burst, Latch CA,Begin
READ / Terminate Burst, Latch CA,Begin
L H L H BA, CA, A10
READA Read, Determine Auto-Precharge*3
L
HL
L BA, CA, A10 WRITE / Terminate Burst, Latch CA,Begin
WRITEA Write, Determine Auto-Precharge*3
L
L H H BA, RA
ACT Bank Active / ILLEGAL*2
L
L H L BA, A10
PRE /
PREA
Terminate Burst, Precharge
L
LL
HX
REFA ILLEGAL
L
LL
L Op-Code,
Mode-Add
MRS ILLEGAL
Preliminary
7
Rev 1.0 Feb. 2001
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