WM710xx – Secure F-RAM with Gen-2 RFID

Rev. 1.4

May 2011

Page 8 of 24

USER Memory Bank:

The USER memory bank comprises two special-function control words, factory-reserved words, and up to 993

available memory locations. Refer to Table 1 for detail on the WM710xx memory structure. The USER

memory bank may be completely locked through the LOCK command.

WM710xx also supports the

BLOCKPERMALOCK command providing the ability to lock contiguous words of USER memory, with word

block sizes as small as a single word up to a maximum block size of 128 words. The USER memory bank

ships from the factory completely unlocked.