CH581 Datasheet | WCH

CH583/CH582/CH581 Datasheet V1.7 Overview The CH583 is a RISC-V MCU integrated with BLE wireless munication. It integrates 2Mbps Bluetooth® Low Energy munication module, 2 full-speed USB host and device controllers and transceiver, 2 SPIs, 4 UARTs, 14-channel ADC, touch-key detection module, RTC and other peripheral resources. Features l Royalty-Free core: - 32-bit Qing Ke RISC-V processor WCH RISC- V4A - Support RV32IMAC instruction set, hardware multiplication and division - Low-power 2-stage assembly line, high- performance 1.56DMIPS - Multi-speed system frequency: minimum 32 KHz - Unique high-speed interrupt response mechanism l 512K-byte non-volatile memory Flash ROM: - 448KB user application program memory area Code Flash - 32KB user non-volatile data memory area Data Flash - 24KB system boot program memory area Boot Loader - 8KB system non-volatile configuration information memory area Info Flash - Support ICP, ISP and IAP, support OTA wireless upgrade - Basically, zero-wait at the system frequency of 20MHz l 32K-byte volatile data storage SRAM: - Sleep retention memory area RAM30K using 30KB dual power supply - Sleep retention memory area RAM2K using 2KB dual power supply l Power management and low power: - Support 3.3V and 2.5V power, CH583M supports 1.8V - Built-in DC-DC conversion, reducing power consumption - Idle mode: 1.6m A - Halt mode: 320u A - Sleep mode: Multiple gears from 0.7u A to 2.8u...