MSM514262-10JS View Datasheet(PDF) - Oki Electric Industry
Part Name
Description
MFG CO.
'MSM514262-10JS' PDF : 45 Pages View PDF
¡ Semiconductor
MSM514262
Special Function Output : QSF
QSF is an output signal which, during split resister mode, indicates which half of the split SAM
is being accessed. QSF “low” indicates that the lower split SAM (0 - 255) is being accessed. QSF
“high” indicates that the upper SAM (256 - 511) is being accessed.
QSF is monitored so that after it toggles and after allowing for a delay of tSTS, split read/write
transfer operation can be performed on the non-active SAM.
Serial Input/Output : SIO1 - SIO4
Serial input/output mode is determined by the most recent read, write or pseudo write transfer
cycle. When a read transfer cycle is performed, the SAM port is in the output mode. When a
write or pseudo write transfer cycle is performed, the SAM port is switched from output mode
to input mode.
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