Functional Descriptions; Flash Memory Map; Figure 6. Flash Memory Map - Holtek HT32F50231 User Manual

32-Bit Arm ® Cortex ® -M0+ MCU
HT32F50231/HT32F50241

Functional Descriptions

Flash Memory Map

The following figure is the Flash memory map of the system. The address ranges from
0x0000_0000 to 0x1FFF_FFFF (0.5 GB). The address from 0x1F00_0000 to 0x1F00_07FF is
mapped to Boot Loader Block (2 KB). Besides, address 0x1FF0_0000 to 0x1FF0_03FF is the alias
of Option Byte block (1 KB) which locates at the last page of main Flash physically. The memory
mapping on system view is shown as below.

Figure 6. Flash Memory Map

Rev. 1.00
0x1FFF_FFFF
0x1FF0_0400
Option Byte
0x1FF0_0000
0x1F00_0800
Boot Loader Block
0x1F00_0000
Main Flash Block
User Application
0x0000_0000
35 of 486
Reserved
Reserved
Reserved
1 KB
2 KB
63 KB
or
32 KB
July 31, 2018