NUC120 series USB Line Selection Guide (low density) Part No. Flash SRAM I/O Timer Connectivity I2S Comp. PWM ADC RTC ISP Package Stutas* (KB) (KB) UART SPI/SSI I2C USB LIN CAN ICP NUC120LD2AN 64K 8K up to 31 4x24-bit 2 1 2 1 1 1 4 8X12-Bit v v LQFP48 P NUC120LD1AN 64K 4K up to 31 4x24-bit 2 1 2 1 1 1 4 8X12-Bit v v LQFP48 P NUC120LC1AN 32K 4K up to 31 4x24-bit 2 1 2 1 1 1 4 8X12-Bit v v LQFP48 P NUC120RD2AN 64K 8K up to 45 4x24-bit 2 2 2 1 1 2 4 8X12-Bit v v LQFP64 P NUC120RD1AN 64K 4K up to 45 4x24-bit 2 2 2 1 1 2 4 8X12-Bit v v LQFP64 P NUC120RC1AN 32K 4K up to 45 4x24-bit 2 2 2 1 1 2 4 8X12-Bit v v LQFP64 P