8-Bit MCU, 2KB Flash, 20MHz, 14 I/O, TSSOP
8-Bit 20MHz MCU, 2KB FLASH, 14 I/O, SPI, UART, SOIC
8-Bit MCU, 20MHz, 2KB FLASH, 14 I/O, SPI, UART, 8051 Core, PDIP
