Fujitsu FR81S User Manual
CHAPTER 46: WORKFLASH MEMORY
5. Operation
FUJITSU SEMICONDUCTOR LIMITED
CHAPTER : WORKFLASH MEMORY
FUJITSU SEMICONDUCTOR CONFIDENTIAL
36
5.9.1. Flash Security On/Off Determination When Reset
Released
Flash security on/off determination when reset released is shown below.
For flash interface of this series, 2 bytes in the area of flash security code are read after releasing reset.
When the value is 0x0001, security is ON and from then on access limitation to flash memory occurs. When
the value is other than that, security becomes OFF.
MB91520 Series
MN705-00010-1v0-E
2007