R01UH0823EJ0100 Rev.1.00
Page 1660 of 1823
Jul 31, 2019
RX23W Group
50. Flash Memory (FLASH)
50.2
ROM Area and Block Configuration
The maximum ROM size of this MCU is 512 Kbytes. The ROM area is divided into blocks. A block is 2-Kbyte area.
When executing the block erase command, the memory is erased by the block.
Figure 50.1
ROM Area and Block Configuration
Table 50.2
Correspondence Between ROM Capacity and Addresses for Reading
ROM Capacity
Addresses for Reading
512 Kbytes
FFF8 0000h to FFFF FFFFh
384 Kbytes
FFFA 0000h to FFFF FFFFh
FC1A 0000h
FC18 0000h
384
Kbytes
512
Kbytes
FC1C 0000h
User area (block number)
1 block = 2 Kbytes
Address for programming/erasure
Address for reading
FFF8 0000h
FFFA 0000h
FFFC 0000h
FFFF FFFFh
(255)
(192)
(191)
(128)
(127)
(000)
FC1F FFFFh