Memory Allocation - WCH CH32V003 Series Reference Manual

CH32V003 Reference Manual http://wch.cn

1.2.1 Memory allocation

Built-in 2KB SRAM, starting address 0x20000000, supports byte, half-word (2 bytes), and full-word (4 bytes)
access.
Built-in 16KB program Flash memory (CodeFlash) for storing user applications.
Built-in 1920B System memory (bootloader) for storing the system bootloader (factory-cured bootloader).
Built-in 64B space for vendor configuration word storage, factory-cured and unmodifiable by users.
Built-in 64B space for user-selected word storage.
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