Core Serial
Interface
TX/RX
buffer
HW
Socket
Network
Performance
Flash SRAM Operation
Temp (℃)
Package Size (mm)
W55RP20

W55RP20

W55MH32

W55MH32

W7500

W7500

W7500P

W7500P

RP2040 32KB 8 38Mbps 2MB -40 ~ +85 QFN68 8 x 8 mm
W55MH32 (WIZnet Hardwired TCP/IP + Cortex M3, 216MHz) UART x 5(MAX), SPI x 2 32KB 8 LwIP only 1024KB 96KB -40 ~ +85 68QFN, 100QFN 8x8, 12x12
ARM Cortex-M0, TCP/IP, MAC & PHY UART x 2, SPI x 2 32KB 8 21Mbps 128KB 16KB -40 ~ +85 64 TQFP 7x7
ARM Cortex-M0, TCP/IP, MAC & PHY UART x 2, SPI x 2 32KB 8 21Mbps 128KB 16KB 0 ~ +70 64 TQFP 7x7