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The Arduino and ST morpho connectors allow developers to connect off-the-shelf add-on boards such as LCD modules, NFC expansion card, and more. The company provides free software STM8 libraries including a variety of software examples, and the boards are supporting by various Integrated Development Environments (IDEs) including STMicroelectronics free STVD-STM8 (using Cosmic toolchain which enables C++ development), IAR, and Cosmic free IDEA. Spot the Difference – NUCLEO-8S208RB (left) vs NUCLEO-8L152R8 (right) – Click to Enlarge Power Supply – USB VBUS or external source (3.3 V, 5 V, 7 – 12 V).Debugging – On-board ST-LINK/V2-1 debugger and programmer with SWIM connector, micro USB port.
INSTALL STM8 COSMIC FULL
ST morpho extension pin headers for full access to all STM8 I/Os.USB – 1x micro USB port acting as virtual COM port, mass storage, debug port.32.768 kHz LSE crystal oscillator for the NUCLEO-8L152R8 only.4x LEDs – USB communication (LD4), 5V STLINK (LD3), User (LD2), Power (LD1).NUCLEO-8S208RB – STMicro STM8S208RBT6 8-bit MCU 24 MHz with 128 kB flash, 2KB EEPROM, 6KB SRAM.NUCLEO-8L152R8 – STMicro STM8L152R8T6 8-bit MCU 16 MHz with 64 kB flash, 2KB EEPROM, 4KB SRAM.The former features a 16 MHZ MCU with 64 kB flash and 4KB SRAM, while the latter comes with a 24 MHz MCU with 128 kB flash, and 6KB SRAM. Both boards will look similar as only the MCU differs. The company has now unveiled not one, but two such boards with NUCLEO-8L152R8 and NUCLEO-8S208RB. While development boards based on STMicro STM8 8-bit MCU such as the “ one dollar board” or the official STM8 Discovery boards have been around for several years, STMicro had yet to release a Nucleo board based on the microcontroller.