R01UH0823EJ0100 Rev.1.00
Page 1680 of 1823
Jul 31, 2019
RX23W Group
50. Flash Memory (FLASH)
50.4.22
Flash Access Window End Address Monitor Register (FAWEMR)
Note 1. The value of the blank product is 1. It is set to the same value set in bit 11 to bit 0 in the FWB1 register after the access window
information program command is executed.
This register is used to confirm the set value of the access window end address used for area protection.
50.4.23
Unique ID Register n (UIDRn) (n = 0 to 3)
The UIDRn register stores a 16-byte ID code (unique ID) for identifying the individual MCU.
The unique ID is stored in the extra area of the flash memory and cannot be rewritten by the user.
Address(es): FLASH.FAWEMR 007F C1D0h
b15
b14
b13
b12
b11
b10
b9
b8
b7
b6
b5
b4
b3
b2
b1
b0
—
—
—
—
Value after reset:
0
0
0
0
The value set by the user*
Address(es): FLASHCONST.UIDR0 007F C350h, FLASHCONST.UIDR1 007F C354h, FLASHCONST.UIDR2 007F C358h,
FLASHCONST.UIDR3 007F C35Ch
b31
b30
b29
b28
b27
b26
b25
b24
b23
b22
b21
b20
b19
b18
b17
b16
Value after reset:
Unique value for each chip
b15
b14
b13
b12
b11
b10
b9
b8
b7
b6
b5
b4
b3
b2
b1
b0
Value after reset:
Unique value for each chip