ST10F167 View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
'ST10F167' PDF : 69 Pages View PDF
ST10F167
V - FLASH MEMORY (continued)
V.2.1 - Flash memory security
Security and reliability have been enhanced by
built-in features: a key code sequence is used to
enter the Write/Erase mode preventing false write
cycles, a programmable option (set by the pro-
gramming board) prevents access to the FLASH
memory from the internal RAM or from External
Figure 4 : PRESTO F write algorithm
Memory. If the security option is set, the FLASH
memory can only be accessed from a program
within the FLASH memory area.
This protection can only be disabled by instruc-
tions executed from the FLASH memory.
=0
PCOUNT=PNmax?
PCOUNT=PCOUNT+1
14/61
VR02057A
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