![KISS TNC for 1200/2400/4800 baud based on the FX469 modem chip and 80c31 microcontroller (in Russian language) | RigExpert™ KISS TNC for 1200/2400/4800 baud based on the FX469 modem chip and 80c31 microcontroller (in Russian language) | RigExpert™](https://www.rigexpert.com/images/articles/board1s.jpg)
KISS TNC for 1200/2400/4800 baud based on the FX469 modem chip and 80c31 microcontroller (in Russian language) | RigExpert™
foone🏳️⚧️ on X: "Here's the main CPU. A 80C31 from Intel. This is an 8051! EVERYONE'S FAVORITE MICROCONTROLLER https://t.co/tZp6Y31pkE" / X
80C31 BH SMD Entegre PLCC Atmel ( TS80C31X2-MCB ) I 82,61 TL I Hatfon Elektronik Güvenceli ile I Adınıza Faturalı ve Taksit İmkanı
![80C31 Ultrafast Microcontroller IC (S-80C31-1 Integrated Circuits CMOS Single-Chip 8-bit Microcontroller 44 Pin PLCC) : Amazon.in: Industrial & Scientific 80C31 Ultrafast Microcontroller IC (S-80C31-1 Integrated Circuits CMOS Single-Chip 8-bit Microcontroller 44 Pin PLCC) : Amazon.in: Industrial & Scientific](https://m.media-amazon.com/images/I/11mZV7EayuL._AC_UF1000,1000_QL80_.jpg)
80C31 Ultrafast Microcontroller IC (S-80C31-1 Integrated Circuits CMOS Single-Chip 8-bit Microcontroller 44 Pin PLCC) : Amazon.in: Industrial & Scientific
![80C31 Philips 80C51 8-bit microcontroller family 128 / 256 byte RAM ROMless low voltage (2.7 V5.5 V), low power, high speed (33 MHz) ChipFind Datasheet Archive | ChipFind.net 80C31 Philips 80C51 8-bit microcontroller family 128 / 256 byte RAM ROMless low voltage (2.7 V5.5 V), low power, high speed (33 MHz) ChipFind Datasheet Archive | ChipFind.net](https://www.chipfind.net/datasheet/image/philips/80c31.gif)
80C31 Philips 80C51 8-bit microcontroller family 128 / 256 byte RAM ROMless low voltage (2.7 V5.5 V), low power, high speed (33 MHz) ChipFind Datasheet Archive | ChipFind.net
![T. LEQUEU, "Projet 08 - UC80C31 / Carte microcontrôleur 80C31 - réf 81xx.", Documentation technique, 16 mai 1995. T. LEQUEU, "Projet 08 - UC80C31 / Carte microcontrôleur 80C31 - réf 81xx.", Documentation technique, 16 mai 1995.](https://www.thierry-lequeu.fr/data/80c31-82.jpg)