16 Mbit Concurrent SuperFlash + 2/4/8 Mbit SRAM ComboMemory
SST34HF1602C / SST34HF1622C / SST34HF1642C
SST34HF1642D / SST34HF1682D / SST34HF1622S / SST34HF1642S
Advance Information
Sec ID Query Entry
Command Sequence
Load data: XXAAH
Address: 5555H
Load data: XX55H
Address: 2AAAH
Load data: XX88H
Address: 5555H
Wait TIDA
Sec ID Exit
Command Sequence
Load data: XXAAH
Address: 5555H
Load data: XXF0H
Address: XXH
Load data: XX55H
Address: 2AAAH
Wait TIDA
Load data: XXF0H
Address: 5555H
Return to normal
operation
Wait TIDA
1256 F24.0
Read Sec ID
Return to normal
operation
X can be VIL or VIH, but no other value
FIGURE 25: SOFTWARE SEC ID COMMAND FLOWCHARTS
©2004 Silicon Storage Technology, Inc.
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