An Intel 8031 (IC A) is to be connected to a 128 kBit | Chegg.com
MCS-51 - Wikipedia
INTEL P8031AH Qty of 15 per Lot 8031 8 Bit Microcontroller PDIP INTEL 94 | eBay
8051 and 8051 Microcontroller
A "MEDIA TO GET" ALL DATAS IN ELECTRICAL SCIENCE...!!: PINS AND SIGNALS OF 8031/8051 MICROCONTROLLER
Something a bit older than usual. The Intel 8031 8 bit cpu from 1980. These are manufactured by Intel, Temic and Philips (from top to bottom). Thought I'd share a bit of
IC+P8031AH+40-pin+PDIP+Through+Hole+Intel+8031 for sale online | eBay
Intel 8031, 8032 | Electrelic
Intel 8031 | Opening up a TSU100 | rsaxvc | Flickr