AT21CSMK100 Atmel Single-Wire Serial EEPROM USB Evaluation Kit User Guide
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3.10.6 Refresh
The Refresh operation reads the entire memory array of the device and then updates the Graphical UI EEPROM
array. This operation also updates the Graphical UI Security Register.
3.11
Security Register
Figure 24. Security Register
Only the User Space (green cells) can be modified by user. The pink colored cells indicate they are locked and
illustrates the Device Default Condition of the Security Register.
Once locked, it is irreversible.
3.12 ARRAY BUTTONS
Figure 25. Array Buttons
3.12.1
Read
Figure 26. Read Button Window
The Read feature allows user to read the entire memory array of the device, a specific Word Address or a range of
Word Addresses, the Serial Number of the DUT, or the Security Register.
If the user reads the Security Register or the Serial Number, the Graphical UI auto-
matically populates the Memory Address for the user starting at the first byte of the
first page of either the User Space of the Security Register or the Serial Number.
