8-Bit 20MHz FLASH MCU, PIC Core, I2C/SPI/UART, PLCC
8-Bit 20MHz FLASH MCU, PIC Core, 33 I/O, PDIP40
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8-Bit MCU, 7KB Flash, 20MHz, I2C/SPI/UART, 44-Pin VQFN
8-Bit MCU, 7KB FLASH, 20MHz, I2C/SPI/UART, 44-TQFP