X20C05
SDP (Software Data Protection)
Store State Diagram
POWER UP
POWER UP
Power
Down
Power On
Recall
S0
NO STORE
ADDR 155,
DATA AA
Software
ADDR 155,
DATA AA
Store
SS
Enabled
S1
NO STORE
RAS
EAS
ADDR 0AA,
DATA 55
ADDR 155,
DATA AA
Software
Store &
AUTOSTORE
Enabled
Power Down
(AUTOSTORE)
S2
NO STORE
WRITE: ADDR 555,
DATA=COMMAND
EAS
SS
STORE ON SS
OR
3827 FHD F13.1
ENABLE / RESET
AUTOSTORE
3827 FHD F12.1
SOFTWARE DATA PROTECTION COMMANDS
Command
Data
EAS
RAS
SS
Enable AUTOSTORE
Reset AUTOSTORE
Software Store
CC[H]
CD[H]
33[H]
3827 PGM T14.1
13
XICOR [ XICOR INC. ]
