16MHz 16b MCU, 4KB FLASH, 256B SRAM, 8x 10-bit ADC, I2C/SPI/UART, 20-PDIP

16MHz 16b MCU, 4KB FLASH, 256B SRAM, 8-ch 10-bit ADC, SPI/I2C, 20-TSSOP

16MHz 16b MCU, 4KB FLASH, 256B SRAM, 8-ch 10-bit ADC, I2C/SPI/UART, 20-TSSOP

16MHz 16b MCU, 4KB FLASH, 256B SRAM, 10-bit ADC, SPI/I2C, 14-TSSOP