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Following up on the CH572 RISC-V BLE microcontroller with 10KB SRAM, WCH has now introduced the CH583 RISC-V microcontroller with 32KB SRAM, 1 MB flash, and support for the latest Bluetooth 5.3 LE standard.

The new microcontroller also offers a wide range of peripherals with two USB host/device interfaces, up to 40 GPIOs, four UART, two SPI, one I2C, up to 14 ADC interfaces, and more. WCH also offers CH581 and CH582 microcontrollers with a different minimum input voltage, less storage (256KB for CH581) and/or peripherals.

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