8-Bit 20MHz FLASH MCU, PIC Core, 33 I/O, USART, PLCC
8-Bit 20MHz FLASH MCU, PIC Core, TQFP-44, 3.5KB Flash
8-Bit 20MHz FLASH MCU, PIC Core, 3.5KB, 33 I/O, PLCC
8-Bit 20MHz FLASH MCU, PIC Core, 3.5KB, PDIP-40