CH573F

The CH573F is a low-power, high-performance Bluetooth Low Energy (BLE) MCU from WCH (Nanjing Qinheng Microelectronics).
Key Features:
- Core: 32-bit RISC-V (QingKe V4F) @ 48MHz
- Wireless: BLE 5.3, supports master/slave roles
- Memory: 32KB SRAM, 128KB/256KB Flash
- Peripherals: USB 2.0, ADC, PWM, GPIOs, timers
- Power: Ultra-low power (0.9μA sleep mode)
- Development: Supports Keil, MounRiver Studio
Applications: IoT devices, wearables, smart home, and wireless sensor nodes.
Advantages: Cost-effective, integrated BLE, and rich peripherals.
For details, refer to WCH’s official datasheets and tools.

The CH573F (a Bluetooth LE MCU by WCH) has equivalents like:
- nRF52810 (Nordic Semiconductor)
- CC2640R2F (Texas Instruments)
- DA14531 (Dialog Semiconductor)
- EFR32BG21 (Silicon Labs)
These offer similar BLE 5.0+ support, low power, and integrated MCUs. Choose based on cost, peripherals, or ecosystem preferences.

The CH573F is a RISC-V-based Bluetooth LE MCU by WCH, featuring:
- Core: 32-bit RISC-V (QingKe V4F), up to 48 MHz.
- Memory: 32KB SRAM, 128KB/256KB flash (varies by model).
- Wireless: Bluetooth 5.3 BLE (supports master/slave roles).
- Peripherals: USB 2.0 FS, 12-bit ADC, 4x PWM, UART/SPI/I2C.
- Power: Low-power modes (standby current ~1.5μA).
- GPIO: Up to 37 multifunction pins.
- Security: AES-128/256 hardware encryption.
- Package: QFN48 (6x6mm).
Ideal for IoT, wearables, and wireless control.

The CH573F is manufactured by WCH (Jiangsu Qinheng Co., Ltd.), a Chinese semiconductor company specializing in low-power, high-performance microcontrollers and connectivity ICs.
WCH is known for cost-effective RISC-V and ARM-based MCUs, USB controllers, and wireless chips (BLE, Wi-Fi). The CH573F is a Bluetooth Low Energy (BLE) MCU with an embedded 32-bit RISC-V core, targeting IoT and embedded applications.
The company focuses on providing reliable, affordable solutions for consumer electronics, industrial automation, and smart devices.

The CH573F is a low-power Bluetooth MCU by WCH, widely used in:
1. IoT Devices – Smart home sensors, wearables, and beacons.
2. Consumer Electronics – Wireless mice/keyboards, remote controls.
3. Health Monitoring – Fitness bands, medical wearables.
4. Industrial Control – Wireless data collection, sensor nodes.
5. HID Devices – Bluetooth peripherals like gamepads.
It features BLE 5.3, USB, and rich peripherals, making it ideal for compact, battery-powered applications.

The CH573F microcontroller is available in QFN32 (5x5 mm) and TSSOP20 packages. Both are surface-mount types, with QFN32 offering a compact footprint and better thermal performance, while TSSOP20 is easier for prototyping. Choose based on space and assembly preferences.