8-Bit MCU, 3.5KB OTP, 20MHz, 13 I/O, 20SSOP
8-bit PIC MCU, 3.5KB EPROM, 20MHz, 24 I/O, I2C/SPI/UART, SSOP
8-Bit PIC Microcontroller, 3.5KB EPROM, 16 I/O, 20MHz, PDIP-22
16KB FLASH Microcontroller, 22 I/Os, Internal Oscillator, TQFP
