C8051F990-GMR C8051F990-GMR,C8051F990,STM8S003F3U6,STM8S103F3U6 C8051F991-C-GM C8051F991-C-GMR C8051F991-GM C8051F991-GMR C8051F996 C8051F996. C8051F996-C-GDI C8051F996-C-GM