8-Bit 20MHz FLASH MCU, RISC, PLCC, 33 I/O, 3 Timers, UART
8-Bit 20MHz FLASH MCU, PIC Core, 33 I/O, PDIP
8-Bit 20MHz FLASH MCU, PIC Core, TQFP-44
8-Bit 20MHz RISC MCU, FLASH, 44-Pin TQFP