8-Bit 20MHz Flash MCU, 44-Pin PQFP, 3.3V, 31 I/O
8-Bit MCU, 20MHz, 64KB FLASH, 31 I/O, 44-Pin LQFP
Z8 Series 8 Bit 4 kB RAM 64 kB Flash Surface Mount Microcontroller - LQFP-44