Infineon Technologies offers their XMC 2Go evaluation board with XMC1100 microcontroller
The XMC 2Go evaluation board is equipped with the XMC1100 microcontroller featuring ARM® Cortex™-M0 CPU running on 32 MHz and 64 KB Flash and 16 KB RAM. The XMC 2Go has a complete set of on-board devices, including an on-board debugger to immediately start code development. You can build your own application and gadget with the XMC 2Go and it fits perfectly on a breadboard. It is shaped like a key chain and can go with you anywhere.