CH572/CH570

Part: CH572 — WCH (WCH.CN)

Type: RISC-V MCU with Integrated 2.4G Wireless Communication

Description: The CH572 is a RISC-V MCU microcontroller with integrated 2.4G wireless communication, featuring a 2Mbps low-power Bluetooth BLE 5.0 module, USB Full-Speed controller, and rich peripheral resources, suitable for low pin count 2.4G and simple Bluetooth applications.

Operating Conditions:

• Supply voltage: 2.0–3.6V or 4.5–5.3V (model dependent)

Absolute Maximum Ratings:

Key Specs:

• Core: Qingke 32-bit RISC-V3C Core
• Max system clock frequency: 100MHz
• FlashROM: 256KB (240KB User CodeFlash, 8KB BootLoader, 8KB InfoFlash)
• SRAM: 12KB (Sleep retention storage)
• Bluetooth BLE: Complies with Bluetooth Low Energy 5.0, supports 2Mbps and 1Mbps
• RF Receive sensitivity: -95dBm
• RF Transmit power: Programmable +7.5dBm
• USB: Full/Low-speed Host and Device modes, 15 endpoints
• Low Power Modes: Sleep Mode 0.46μA1.2μA, Shutdown Mode 0.3μA0.9μA

Features:

• Supports RV32IMBC instruction set and self-extended instructions
• Built-in 5V to 3.3V voltage regulator LDO5V
• AES-128 encryption/decryption, Chip Unique ID
• Real-time Clock RTC
• Key Detection Module: Supports 20 key detections
• Analog Voltage Comparator CMP: Built-in 16 levels of reference voltage
• Timers: 1x 26-bit timer, 1x 26-bit PWM, 5x 16-bit PWM
• Watchdog Timers: Independent and Window type
• Asynchronous Serial Port UART: 1 independent UART, compatible with 16C550
• Serial Peripheral Interface SPI: Supports Master and Slave modes
• Two-wire Serial Interface I2C: Supports Master and Slave modes
• General Purpose Input/Output Port GPIO: 12 GPIOs, 1 supports 5V input
• Single/Dual-wire Emulation Debug Interface

Applications:

• 2.4G wireless communication applications
• Simple Bluetooth applications

Package:

• QFN20
• DFN10X3
• TSSOP16
• SOP8

• Compatible with 16C550 asynchronous serial port with enhancements.
• Supports 5, 6, 7, or 8 data bits and 1 or 2 stop bits.
• Supports odd, even, no parity, space 0, mark 1, and other parity methods.
• Programmable communication baud rate, up to 12.5Mbps.
• Built-in 8-byte FIFO (First-In, First-Out) buffer, supporting 4 FIFO trigger levels.
• Supports serial frame error detection, supports Break line interval detection.
• Supports full-duplex serial communication.