nxp semiconductors
MCU 8-bit P89 80C51 CISC 2KB Flash 2.5V/3.3V 16-Pin TSSOP 8-bit Microcontrollers - MCU 80C51 2K FL 256B RAM IC 80C51 MCU FLASH 2K 16-TSSOP
future designs, inc.
USB PROGRAMMING INTERFACE FOR DERIVATIVE BOARDS, REV 3 USB PROGRAMMING DONGLE
