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Update README.md #80

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2 changes: 1 addition & 1 deletion README.md
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Expand Up @@ -10,7 +10,7 @@ The CH32V305 and CH32V307 are interconnected microcontrollers, based on 32-bit R
<img src="image/frame.jpg" alt="frame" style="zoom:50%;" />

### Features
- RISC-V4F processor, max 144MHz system clock frequency;
- RISC-V4F processor, max 144MHz system clock frequency, RV32IMAFC instruction set;
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This is named riscv32imafc-unknown-none-elf in Rust.
RISC-V4F already denotes an "F"-extension.

- Single-cycle multiplication and hardware division, hardware float point unit (FPU) ;
- 64KB SRAM，256KB Flash;
- Supply voltage: 2.5V/3.3V, GPIO unit is supplied independently;
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