Ethernet ICs W55RP20 microcontroller, Dual ARM Cortex-M0+ a. 133MHz, 2MByte Flash memory on-chip, 264kB on-chip SRAM in six independent banks, DMA controller
W55RP20 is a highly integrated System-in-Package (SiP) from WIZnet that combines the popular RP2040 dual-core microcontroller with a W5500 hardware TCP/IP Ethernet controller. Designed for IoT, industrial automation, and embedded networking applications, the W55RP20 delivers reliable Ethernet connectivity, low power consumption, and high-performance processing in a compact package. It simplifies Ethernet-enabled designs by integrating the MCU, network stack, flash memory, and Ethernet functionality into a single device.
Key Features
Dual-core ARM Cortex-M0+ processor running up to 133 MHz
Integrated hardwired TCP/IP stack for reliable Ethernet communication
2 MB on-chip Flash memory
264 KB SRAM in six independent memory banks
Built-in 10BASE-T / 100BASE-TX Ethernet MAC and PHY
Supports TCP, UDP, IPv4, ICMP, ARP, IGMP, and PPPoE protocols
23 GPIO pins, including 4 analog-capable inputs
2× UART, 2× SPI, and 2× I²C interfaces
16 PWM channels and 8 Programmable I/O (PIO) state machines
USB 1.1 Host/Device controller with integrated PHY
12-channel DMA controller for efficient data transfer
Operating voltage range of 1.8 V to 3.3 V
Industrial temperature support up to -40°C to +85°C
Compact 68-QFN package for space-constrained designs