NUC140 microcontroller and processor Series

The NUC140 series from Nuvoton is a lineup of 32-bit ARM Cortex-M0 microcontrollers packed into LQFP packages. These devices come equipped with flash memory, making them versatile for a range of embedded systems where low power consumption and small form factors are key requirements. If you're working on battery-powered IoT devices, wearable tech, or any system that needs to operate efficiently with limited resources, the NUC140 series is a solid choice. The flash memory allows for non-volatile storage, which is crucial for maintaining program execution even when the device is powered off. Engineers tend to reach for these controllers when they need a reliable, compact solution that can handle basic processing tasks while conserving energy. One practical observation is that the LQFP package offers a good balance between size and pin count, making it ideal for boards with tight space constraints. Another useful feature is the integration of flash memory, which simplifies the design process by reducing the need for external memory chips. This can save both time and cost in development, especially for projects where minimizing component count is important

Mfr Part #	Quantity Available	Price	Category	Standard Package	Standard Package Name	RoHS	EU RoHS	Rad Hardened	Approval Agency	Speed	RAM Size	Core Size	Core Type	Frequency	Clock Rate	Number of I/O	Number of Bits	Voltage Rating	Data Converters	Oscillator Type	Serial Protocol	Voltage - Supply	RS-232 (422, 485)	Program Memory Size	Program Memory Type	Number of ADCs / DACs	Voltage - Supply (Min)	Voltage - Supply (Vcc/Vdd)	Width	Packaging	Lead Style	Mounting Type	Package / Case	Package Cooled	Length - Overall	Package Quantity	Number of Positions	Shell Size - Insert	Number of Cores/Bus Width	SPI	DELETED	Protocol	On-Chip RAM	Peripherals	Architecture	Connectivity	Programmable	Core Processor	Number of Timers	RF Family/Standard	DigiKey Programmable	Other Specifications	Printed Circuit Board	Operating Temperature	Operating Temperature - Junction
NUC140RE3CN Nuvoton Technology	200	1: $31.212	-	160	QFP	Lead free / RoHS Compliant	Compliant	No	No	50MHz	16KB	32-Bit	ARM	50 MHz	50	45	12	2.5	A/D 8x12b	Internal	3	3.3/5 V	1	128KB	Flash	8	2.5 V	2.5 V ~ 5.5 V	10	Tray	Gull-wing	Surface Mount	64-LQFP	LQFP	10	LQFP	64	1.4	32	2	Compliant	2	8-chx12-bit	Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT	RISC	CAN, EBI/EMI, I²C, IrDA, LIN, SPI, UART/USART, USB	Yes	ARM® Cortex™-M0	4	NUC100	Yes	1	64	-40°C ~ 85°C	85C
NUC140RC1CN Nuvoton Technology	10	1: $12.5489	-	160	QFP	Lead free / RoHS Compliant	Compliant	No	No	50MHz	4KB	32-Bit	ARM	50 MHz	50	45	12	2.5	A/D 8x12b	Internal	3	3.3/5 V	1	32KB	Flash	8	2.5 V	2.5 V ~ 5.5 V	10	Tray	Gull-wing	Surface Mount	64-LQFP	LQFP	10	LQFP	64	1.4	32	2	Compliant	2	8-chx12-bit	Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT	RISC	CAN, EBI/EMI, I²C, IrDA, LIN, SPI, UART/USART, USB	Yes	ARM® Cortex™-M0	4	NUC100	Yes	1	64	-40°C ~ 85°C	85C
NUC140RD2CN Nuvoton Technology	200	1: $24.548	-	160	QFP	Lead free / RoHS Compliant	Compliant	No	No	50MHz	8KB	32-Bit	ARM	50 MHz	50	45	12	2.5	A/D 8x12b	Internal	3	3.3/5 V	1	64KB	Flash	8	2.5 V	2.5 V ~ 5.5 V	10	Tray	Gull-wing	Surface Mount	64-LQFP	LQFP	10	LQFP	64	1.4	32	2	Compliant	2	8-chx12-bit	Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT	RISC	CAN, EBI/EMI, I²C, IrDA, LIN, SPI, UART/USART, USB	Yes	ARM® Cortex™-M0	4	NUC100	Yes	1	64	-40°C ~ 85°C	85C
NUC140VE3CN Nuvoton Technology	200	1: $32.64	-	250	QFP	Lead free / RoHS Compliant	Compliant	No	No	50MHz	16KB	32-Bit	ARM	50 MHz	50	76	12	2.5	A/D 8x12b	Internal	3	3.3/5 V	1	128KB	Flash	8	2.5 V	2.5 V ~ 5.5 V	14	Tray	Gull-wing	Surface Mount	100-LQFP	LQFP	14	LQFP	100	1.4	32	4	Compliant	2	8-chx12-bit	Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT	RISC	CAN, EBI/EMI, I²C, IrDA, LIN, SPI, UART/USART, USB	Yes	ARM® Cortex™-M0	4	NUC100	Yes	1	100	-40°C ~ 85°C	85C
NUC140LC1CN Nuvoton Technology	10	1: $14.824	-	250	QFP	Lead free / RoHS Compliant	Compliant	No	No	50MHz	4KB	32-Bit	ARM	50 MHz	50	31	12	2.5	A/D 8x12b	Internal	2	3.3/5 V	1	32KB	Flash	8	2.5 V	2.5 V ~ 5.5 V	7	Tray	Gull-wing	Surface Mount	48-LQFP	LQFP	7	LQFP	48	1.4	32	1	Compliant	2	8-chx12-bit	Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT	RISC	CAN, I²C, IrDA, LIN, SPI, UART/USART, USB	Yes	ARM® Cortex™-M0	4	NUC100	Yes	1	48	-40°C ~ 85°C	85C
NUC140LD2CN Nuvoton Technology	200	1: $23.868	-	250	QFP	Lead free / RoHS Compliant	Compliant	No	No	50MHz	8KB	32-Bit	ARM	50 MHz	50	31	12	2.5	A/D 8x12b	Internal	2	3.3/5 V	1	64KB	Flash	8	2.5 V	2.5 V ~ 5.5 V	7	Tray	Gull-wing	Surface Mount	48-LQFP	LQFP	7	LQFP	48	1.4	32	1	Compliant	2	8-chx12-bit	Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT	RISC	CAN, I²C, IrDA, LIN, SPI, UART/USART, USB	Yes	ARM® Cortex™-M0	4	NUC100	Yes	1	48	-40°C ~ 85°C	85C
NUC140LE3CN Nuvoton Technology	200	1: $29.648	-	250	QFP	Lead free / RoHS Compliant	Compliant	No	No	50MHz	16KB	32-Bit	ARM	50 MHz	50	31	12	2.5	A/D 8x12b	Internal	2	3.3/5 V	1	128KB	Flash	8	2.5 V	2.5 V ~ 5.5 V	7	Tray	Gull-wing	Surface Mount	48-LQFP	LQFP	7	LQFP	48	1.4	32	1	Compliant	2	8-chx12-bit	Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT	RISC	CAN, I²C, IrDA, LIN, SPI, UART/USART, USB	Yes	ARM® Cortex™-M0	4	NUC100	Yes	1	48	-40°C ~ 85°C	85C
NUC140RD2AN Nuvoton	0		-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
NUC140RE3AN Nuvoton	0		-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
NUC140LD2AN Nuvoton	0		-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
NUC140LD3AN Nuvoton	0		-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-

cigen-NUC140

Series Images (3)

Documents & Media

Frequently Asked Questions

NUC140 microcontroller and processor - Part List

RAM Size

Number of I/O

Program Memory Size

Width

Package / Case

Length - Overall

Number of Positions

SPI

Printed Circuit Board

Standard Package

Serial Protocol

Connectivity