STMicroelectronics support the mbed development environment, and have an additional onboard ST-LINK/V2-1 host adapter chip which supplies SWD debugging, virtual COM port, and mass storage over USB. There are three Nucleo board families, each supporting a different microcontroller IC package footprint. The debugger embedded on Nucleo boards can be converted to the SEGGER J-Link debugger protocol. Nucleo-32 boards This family has 32-pin STM32 ICs and Arduino Nano male pin headers (DIP-30 with 0.6-inch row-to-row). Low power ICs are L011, L031, L412, L432. Mainstream ICs are F031, F042, F301, F303, G031, G431. High performance ICs are n/a. NUCLEO-F031K6 board for STM32F031K6T6 MCU with 48 MHz Cortex-M0 core, 32 KB flash, 4 KB SRAM (HW parity). NUCLEO-F042K6 board for STM32F042K6T6 MCU with 48 MHz Cortex-M0 core, 32 KB flash, 6 KB SRAM (HW parity). NUCLEO-F301K8 board for STM32F301K8T6 MCU with 72 MHz Cortex-M4F core, 64 KB flash, 16 KB SRAM. (obsolete board) NUCLEO-F303K8 board for STM32F303K8T6 MCU with 72 MHz Cortex-M4F core, 64 KB flash, 16 KB SRAM (HW parity). NUCLEO-G031K8 board for STM32G031K86U MCU. Announced in Nucleo-32 datasheet. NUCLEO-G431KB board for STM32G431KB6U MCU with 170 MHz Cortex-M4F core, 128 KB flash (HW ECC), 16 KB SRAM (HW parity), 6 KB SRAM, 10 KB CCM SRAM, STLINK-V3E. NUCLEO-L011K4 board for STM32L011K4T6 MCU with 32 MHz Cortex-M0+ core, 16 KB flash (HW ECC), 2 KB SRAM, 0.5 KB EEPROM (HW ECC). NUCLEO-L031K6 board for STM32L031K6T6 MCU with 32 MHz Cortex-M0+ core, 32 KB flash (HW ECC), 8 KB SRAM, 1 KB EEPROM (HW ECC). NUCLEO-L412KB board for STM32L412KBU6 MCU with 80 MHz Cortex-M4F core, 128 KB flash (HW ECC), 32 KB SRAM, 8 KB SRAM (HW parity), external quad-SPI memory interface. NUCLEO-L432KC board for STM32L432KCU6 MCU with 80 MHz Cortex-M4F core, 256 KB flash (HW ECC), 48 KB SRAM, 16 KB SRAM (HW parity), external quad-SPI memory interface. Nucleo-64 boards This family has 64-pin STM32 ICs, Arduino Uno Rev3 female headers, and ST Morpho male pin headers (two 19x2). Low power ICs are L053, L073, L152, L433, L452, L452, L476. Mainstream ICs are F030, F070, F072, F091, F103, F302, F303, F334, G070, G071, G0B1, G431, G474, G491. High performance ICs are F401, F410, F411, F446. NUCLEO-F030R8 board for STM32F030R8T6 MCU with 48 MHz Cortex-M0 core, 64 KB flash, 8 KB SRAM (HW parity). NUCLEO-F070RB board for STM32F070RBT6 MCU with 48 MHz Cortex-M0 core, 128 KB flash, 16 KB SRAM (HW parity). NUCLEO-F072RB board