

The highly integrated 2.4GHz Wi Fi 4 module is suitable for a wide range of application fields, especially in industrial control, motor drive, user interface, power monitoring and alarm systems, consumer and handheld devices, gaming and GPS, electric bicycles, optical modules, and other fields.
WK515 SMD Module is a highly integrated 2.4GHz Wi-Fi module based on GD32W515 chipset. The chip features an embedded ARM Cortex-M33 processor with TrustZone technology, operating at a clock frequency of up to 180MHz. It is an optimized SoC specifically designed for smart devices across a wide range of Internet of Things (IoT) applications.
The Cortex-M33 is a 32-bit processor based on the ARMv8-M architecture, offering low interrupt latency and cost-effective debugging capabilities. It supports a powerful and scalable instruction set, including general-purpose data processing, I/O control tasks, advanced data processing, bit-field operations, and DSP functions. Its high level of integration makes the Cortex-M33 an ideal choice for microcontroller-based products that require both high performance and low power consumption.
Features
● Arm Cortex-M33 Core
o Operating frequency up to 180 MHz
o Integrated 2.4GHz single-stream IEEE 802.11b/g/n MAC/Baseband/RF wireless module
o DSP instruction extensions and single-precision Floating Point Unit (FPU)
o TrustZone hardware security architecture
● Memory
o Up to 2048KB on-chip Flash
o Up to 448KB SRAM
o Supports up to 32MB external Flash
● RF Performance
o Maximum transmit power up to 21 dBm
o Receiver sensitivity as low as -97.6 dBm
o Adjacent Channel Rejection (ACR) up to 48 dB
o Iperf throughput up to 50 Mbps, with laboratory shielded-room testing achieving up to 80 Mbps
● High-Precision Analog Peripheral
o 1 × 12-bit ADC
● Integrated Peripheral Interfaces
o 2 × SPI
o 1 × SQPI
o 1 × SDIO
o 2 × I²C
o 3 × USART
o 1 × I²S
o 1 × USB 2.0 Full-Speed (FS)
o Wi-Fi wireless interface
● On-Chip Resources
o 4 × General-Purpose 16-bit Timers
o 2 × General-Purpose 32-bit Timers
o 1 × Basic Timer
o 1 × Advanced PWM Timer
o TrustZone Protection Control Unit (TZPCU)
o Digital Camera Interface (DCI)
o Touch Sensing Interface (TSI)
o Quad SPI Flash Interface (QSPI)
o High-Performance Digital Filter (HPDF)
Applications
· Industrial control systems
· Motor drive applications
· Human-machine interfaces (HMI)
· Power monitoring and alarm systems
· Consumer electronics and handheld devices
· Gaming and GPS products
· Electric bicycles (E-bikes)
· Optical modules
· Various IoT smart devices
Specification