Functional Descriptions; Flash Memory Map; Figure 6. Flash Memory Map - Holtek HT32F52243 User Manual

32-Bit Arm ® Cortex ® -M0+ MCU
HT32F52243/HT32F52253

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). Additionally, the region addressed from 0x1FF0_0000 to
0x1FF0_03FF is the alias of Option Byte block (1 KB) which locates at the last page of the main
Flash physically. The memory mapping on system view is shown as below.
0x1FFF_FFFF
0x1FF0_0400
0x1FF0_0000
0x1F00_0800
0x1F00_0000
0x0000_0000

Figure 6. Flash Memory Map

Rev. 1.20
Reserved
Option Byte
Reserved
Boot Loader Block
Reserved
Main Flash Block
User Application
37 of 501
1 KB
2 KB
127 KB
or
64 KB
September 19, 2018