M031 Series

The series of NuMicro Family ultra-low power 32-bit microcontrollers based on the ARM Cortex-M0 core, running up to 48/72 MHz within -40 – +105 °C and equipped with rich peripherals and interfaces.
All Ics are RoHS compliant.

* Status: P - mass production, S - samples, UD - under development, N - not recommended for new design.

Chip	Description	Application Flash	SRAM	Data Flash	Loader Flash	Programm. methods	Clock   frequency	Supply   voltage   [V]	Operating temperature [°C]	Package	Status *
M031EB0AE (3753 KB)	operating frequency up to 48/72 MHz programmable system clock source 2 external crystal oscillators and 2 internal RC oscillators PLL controller (the source of system clock up to 144 MHz) sourced from 2 high speed oscillators: crystal or RC 512 B of Security Protection ROM (SPROM) up to 23 I/Os 2 x 32-bit timers Watchdog 32 interrupts interfaces: 3 x UART, SPI, 2 x I2C, I2S supports CRC-CCITT, CRC-8, CRC-16 and CRC-32 error-detecting codes 6-channel 16-bit PWM 9-channel 12-bit ADC LDO regulator LVR (Low Voltage Reset) 2-level BOD low power consumption in operating mode: 180 µA/MHz	16 KB	2 KB	configurable	2 KB	ISP ICP IAP	Ext. crystal: 4 - 32 MHz 32.768 kHz Int. RC: 48 MHz 38.4 kHz	1.8 – 3.6	-40 – +105	TSSOP-28 (4.4x9.7 mm)	P
M031EC1AE (3753 KB)	operating frequency up to 48/72 MHz programmable system clock source 2 external crystal oscillators and 2 internal RC oscillators PLL controller (the source of system clock up to 144 MHz) sourced from 2 high speed oscillators: crystal or RC 512 B of Security Protection ROM (SPROM) 2-channel PDMA up to 23 I/Os 4 x 32-bit timers Watchdog 32 interrupts interfaces: 3 x UART, SPI, 2 x I2C, I2S supports CRC-CCITT, CRC-8, CRC-16 and CRC-32 error-detecting codes 6-channel 16-bit PWM 9-channel 12-bit ADC LDO regulator LVR (Low Voltage Reset) 2-level BOD low power consumption in operating mode: 180 µA/MHz	32 KB	4 KB	configurable	2 KB	ISP ICP IAP	Ext. crystal: 4 - 32 MHz 32.768 kHz Int. RC: 48 MHz 38.4 kHz	1.8 – 3.6	-40 – +105	TSSOP-28 (4.4x9.7 mm)	P
M031FB0AE (3753 KB)	operating frequency up to 48/72 MHz programmable system clock source 2 external crystal oscillators and 2 internal RC oscillators PLL controller (the source of system clock up to 144 MHz) sourced from 2 high speed oscillators: crystal or RC 512 B of Security Protection ROM (SPROM) up to 15 I/Os 2 x 32-bit timers Watchdog 32 interrupts interfaces: 3 x UART, SPI, 2 x I2C, I2S supports CRC-CCITT, CRC-8, CRC-16 and CRC-32 error-detecting codes 6-channel 16-bit PWM 7-channel 12-bit ADC LDO regulator LVR (Low Voltage Reset) 2-level BOD low power consumption in operating mode: 180 µA/MHz	16 KB	2 KB	configurable	2 KB	ISP ICP IAP	Ext. crystal: 4 - 32 MHz 32.768 kHz Int. RC: 48 MHz 38.4 kHz	1.8 – 3.6	-40 – +105	TSSOP-20 (4.4x6.5 mm)	P
M031FC1AE (3753 KB)	operating frequency up to 48/72 MHz programmable system clock source 2 external crystal oscillators and 2 internal RC oscillators PLL controller (the source of system clock up to 144 MHz) sourced from 2 high speed oscillators: crystal or RC 512 B of Security Protection ROM (SPROM) 2-channel PDMA up to 15 I/Os 4 x 32-bit timers Watchdog 32 interrupts interfaces: 3 x UART, SPI, 2 x I2C, I2S supports CRC-CCITT, CRC-8, CRC-16 and CRC-32 error-detecting codes 6-channel 16-bit PWM 7-channel 12-bit ADC LDO regulator LVR (Low Voltage Reset) 2-level BOD low power consumption in operating mode: 180 µA/MHz	32 KB	4 KB	configurable	2 KB	ISP ICP IAP	Ext. crystal: 4 - 32 MHz 32.768 kHz Int. RC: 48 MHz 38.4 kHz	1.8 – 3.6	-40 – +105	TSSOP-20 (4,4x6.5 mm)	P
M031KG6AE (3753 KB)	operating frequency up to 48/72 MHz programmable system clock source 2 external crystal oscillators and 2 internal RC oscillators PLL controller (the source of system clock up to 144 MHz) sourced from 2 high speed oscillators: crystal or RC 2 KB of Security Protection ROM (SPROM) 7-channel PDMA up to 111 I/Os 4 x 32-bit timers Watchdog RTC 32 interrupts interfaces: 6 x UART, 2 x SPI, 2 x I2C, I2S, EBI (External Bus Interface) supports CRC-CCITT, CRC-8, CRC-16 and CRC-32 error-detecting codes 24-channel 16-bit PWM 16-channel 12-bit ADC 2 analog comparators LDO regulator LVR (Low Voltage Reset) 2-level BOD low power consumption in operating mode: 180 µA/MHz	256 KB	32 KB	configurable	4 KB	ISP ICP IAP	Ext. crystal: 4 - 32 MHz 32.768 kHz Int. RC: 48 MHz 38.4 kHz	1.8 – 3.6	-40 – +105	LQFP-128 (14x14 mm)	P
M031KG8AE (3753 KB)	operating frequency up to 48/72 MHz programmable system clock source 2 external crystal oscillators and 2 internal RC oscillators PLL controller (the source of system clock up to 144 MHz) sourced from 2 high speed oscillators: crystal or RC 2 KB of Security Protection ROM (SPROM) 7-channel PDMA up to 111 I/Os 4 x 32-bit timers Watchdog RTC 32 interrupts interfaces: 6 x UART, 2 x SPI, 2 x I2C, I2S, EBI (External Bus Interface) supports CRC-CCITT, CRC-8, CRC-16 and CRC-32 error-detecting codes 24-channel 16-bit PWM 16-channel 12-bit ADC 2 analog comparators LDO regulator LVR (Low Voltage Reset) 2-level BOD low power consumption in operating mode: 180 µA/MHz	256 KB	64 KB	configurable	4 KB	ISP ICP IAP	Ext. crystal: 4 - 32 MHz 32.768 kHz Int. RC: 48 MHz 38.4 kHz	1.8 – 3.6	-40 – +105	LQFP-128 (14x14 mm)	P
M031KIAAE (3753 KB)	operating frequency up to 48/72 MHz programmable system clock source 2 external crystal oscillators and 2 internal RC oscillators PLL controller (the source of system clock up to 144 MHz) sourced from 2 high speed oscillators: crystal or RC 2 KB of Security Protection ROM (SPROM) 9-channel PDMA up to 111 I/Os 4 x 32-bit timers Watchdog RTC 32 interrupts interfaces: 8 x UART, 2 x SPI, 2 x I2C, I2S, EBI (External Bus Interface) supports CRC-CCITT, CRC-8, CRC-16 and CRC-32 error-detecting codes 24-channel 16-bit PWM 16-channel 12-bit ADC 2 analog comparators LDO regulator LVR (Low Voltage Reset) 2-level BOD low power consumption in operating mode: 180 µA/MHz	512 KB	96 KB	configurable	8 KB	ISP ICP IAP	Ext. crystal: 4 - 32 MHz 32.768 kHz Int. RC: 48 MHz 38.4 kHz	1.8 – 3.6	-40 – +105	LQFP-128 (14x14 mm)	P
M031LC2AE (3753 KB)	operating frequency up to 48/72 MHz programmable system clock source 2 external crystal oscillators and 2 internal RC oscillators PLL controller (the source of system clock up to 144 MHz) sourced from 2 high speed oscillators: crystal or RC 512 B of Security Protection ROM (SPROM) 5-channel PDMA up to 42 I/Os 4 x 32-bit timers Watchdog 32 interrupts interfaces: 3 x UART, SPI, 2 x I2C, I2S supports CRC-CCITT, CRC-8, CRC-16 and CRC-32 error-detecting codes 12-channel 16-bit PWM 12-channel 12-bit ADC 2 analog comparators LDO regulator LVR (Low Voltage Reset) 2-level BOD low power consumption in operating mode: 180 µA/MHz	32 KB	8 KB	configurable	2 KB	ISP ICP IAP	Ext. crystal: 4 - 32 MHz 32.768 kHz Int. RC: 48 MHz 38.4 kHz	1.8 – 3.6	-40 – +105	LQFP-48 (7x7 mm)	P
M031LD2AE (3753 KB)	operating frequency up to 48/72 MHz programmable system clock source 2 external crystal oscillators and 2 internal RC oscillators PLL controller (the source of system clock up to 144 MHz) sourced from 2 high speed oscillators: crystal or RC 512 B of Security Protection ROM (SPROM) 5-channel PDMA up to 42 I/Os 4 x 32-bit timers Watchdog 32 interrupts interfaces: 3 x UART, SPI, 2 x I2C, I2S supports CRC-CCITT, CRC-8, CRC-16 and CRC-32 error-detecting codes 12-channel 16-bit PWM 12-channel 12-bit ADC 2 analog comparators LDO regulator LVR (Low Voltage Reset) 2-level BOD low power consumption in operating mode: 180 µA/MHz	64 KB	8 KB	configurable	2 KB	ISP ICP IAP	Ext. crystal: 4 - 32 MHz 32.768 kHz Int. RC: 48 MHz 38.4 kHz	1.8 – 3.6	-40 – +105	LQFP-48 (7x7 mm)	P
M031LE3AE (3753 KB)	operating frequency up to 48/72 MHz programmable system clock source 2 external crystal oscillators and 2 internal RC oscillators PLL controller (the source of system clock up to 144 MHz) sourced from 2 high speed oscillators: crystal or RC 512 B of Security Protection ROM (SPROM) 5-channel PDMA up to 42 I/Os 4 x 32-bit timers Watchdog 32 interrupts interfaces: 3 x UART, SPI, 2 x I2C, I2S, EBI (External Bus Interface) supports CRC-CCITT, CRC-8, CRC-16 and CRC-32 error-detecting codes 12-channel 16-bit PWM 12-channel 12-bit ADC 2 analog comparators LDO regulator LVR (Low Voltage Reset) 2-level BOD low power consumption in operating mode: 180 µA/MHz	128 KB	16 KB	configurable	4 KB	ISP ICP IAP	Ext. crystal: 4 - 32 MHz 32.768 kHz Int. RC: 48 MHz 38.4 kHz	1.8 – 3.6	-40 – +105	LQFP-48 (7x7 mm)	P
M031LG6AE (3753 KB)	operating frequency up to 48/72 MHz programmable system clock source 2 external crystal oscillators and 2 internal RC oscillators PLL controller (the source of system clock up to 144 MHz) sourced from 2 high speed oscillators: crystal or RC 2 KB of Security Protection ROM (SPROM) 7-channel PDMA up to 42 I/Os 4 x 32-bit timers Watchdog RTC 32 interrupts interfaces: 6 x UART, 2 x SPI, 2 x I2C, I2S, EBI (External Bus Interface) supports CRC-CCITT, CRC-8, CRC-16 and CRC-32 error-detecting codes 24-channel 16-bit PWM 12-channel 12-bit ADC 2 analog comparators LDO regulator LVR (Low Voltage Reset) 2-level BOD low power consumption in operating mode: 180 µA/MHz	256 KB	32 KB	configurable	4 KB	ISP ICP IAP	Ext. crystal: 4 - 32 MHz 32.768 kHz Int. RC: 48 MHz 38.4 kHz	1.8 – 3.6	-40 – +105	LQFP-48 (7x7 mm)	P
M031LG8AE (3753 KB)	operating frequency up to 48/72 MHz programmable system clock source 2 external crystal oscillators and 2 internal RC oscillators PLL controller (the source of system clock up to 144 MHz) sourced from 2 high speed oscillators: crystal or RC 2 KB of Security Protection ROM (SPROM) 7-channel PDMA up to 42 I/Os 4 x 32-bit timers Watchdog RTC 32 interrupts interfaces: 6 x UART, 2 x SPI, 2 x I2C, I2S, EBI (External Bus Interface) supports CRC-CCITT, CRC-8, CRC-16 and CRC-32 error-detecting codes 24-channel 16-bit PWM 12-channel 12-bit ADC 2 analog comparators LDO regulator LVR (Low Voltage Reset) 2-level BOD low power consumption in operating mode: 180 µA/MHz	256 KB	64 KB	configurable	4 KB	ISP ICP IAP	Ext. crystal: 4 - 32 MHz 32.768 kHz Int. RC: 48 MHz 38.4 kHz	1.8 – 3.6	-40 – +105	LQFP-48 (7x7 mm)	P
M031SC2AE (3753 KB)	operating frequency up to 48/72 MHz programmable system clock source 2 external crystal oscillators and 2 internal RC oscillators PLL controller (the source of system clock up to 144 MHz) sourced from 2 high speed oscillators: crystal or RC 512 B of Security Protection ROM (SPROM) 5-channel PDMA up to 55 I/Os 4 x 32-bit timers Watchdog 32 interrupts interfaces: 3 x UART, SPI, 2 x I2C, I2S supports CRC-CCITT, CRC-8, CRC-16 and CRC-32 error-detecting codes 12-channel 16-bit PWM 16-channel 12-bit ADC 2 analog comparators LDO regulator LVR (Low Voltage Reset) 2-level BOD low power consumption in operating mode: 180 µA/MHz	32 KB	8 KB	configurable	2 KB	ISP ICP IAP	Ext. crystal: 4 - 32 MHz 32.768 kHz Int. RC: 48 MHz 38.4 kHz	1.8 – 3.6	-40 – +105	LQFP-64 (7x7 mm)	P
M031SD2AE (3753 KB)	operating frequency up to 48/72 MHz programmable system clock source 2 external crystal oscillators and 2 internal RC oscillators PLL controller (the source of system clock up to 144 MHz) sourced from 2 high speed oscillators: crystal or RC 512 B of Security Protection ROM (SPROM) 5-channel PDMA up to 55 I/Os 4 x 32-bit timers Watchdog 32 interrupts interfaces: 3 x UART, SPI, 2 x I2C, I2S supports CRC-CCITT, CRC-8, CRC-16 and CRC-32 error-detecting codes 12-channel 16-bit PWM 16-channel 12-bit ADC 2 analog comparators LDO regulator LVR (Low Voltage Reset) 2-level BOD low power consumption in operating mode: 180 µA/MHz	64 KB	8 KB	configurable	2 KB	ISP ICP IAP	Ext. crystal: 4 - 32 MHz 32.768 kHz Int. RC: 48 MHz 38.4 kHz	1.8 – 3.6	-40 – +105	LQFP-64 (7x7 mm)	P
M031SE3AE (3753 KB)	operating frequency up to 48/72 MHz programmable system clock source 2 external crystal oscillators and 2 internal RC oscillators PLL controller (the source of system clock up to 144 MHz) sourced from 2 high speed oscillators: crystal or RC 512 B of Security Protection ROM (SPROM) 5-channel PDMA up to 55 I/Os 4 x 32-bit timers Watchdog 32 interrupts interfaces: 3 x UART, SPI, 2 x I2C, I2S, EBI (External Bus Interface) supports CRC-CCITT, CRC-8, CRC-16 and CRC-32 error-detecting codes 12-channel 16-bit PWM 16-channel 12-bit ADC 2 analog comparators LDO regulator LVR (Low Voltage Reset) 2-level BOD low power consumption in operating mode: 180 µA/MHz	128 KB	16 KB	configurable	4 KB	ISP ICP IAP	Ext. crystal: 4 - 32 MHz 32.768 kHz Int. RC: 48 MHz 38.4 kHz	1.8 – 3.6	-40 – +105	LQFP-64 (7x7 mm)	P
M031SG6AE (3753 KB)	operating frequency up to 48/72 MHz programmable system clock source 2 external crystal oscillators and 2 internal RC oscillators PLL controller (the source of system clock up to 144 MHz) sourced from 2 high speed oscillators: crystal or RC 2 KB of Security Protection ROM (SPROM) 7-channel PDMA up to 55 I/Os 4 x 32-bit timers Watchdog RTC 32 interrupts interfaces: 6 x UART, 2 x SPI, 2 x I2C, I2S, EBI (External Bus Interface) supports CRC-CCITT, CRC-8, CRC-16 and CRC-32 error-detecting codes 24-channel 16-bit PWM 16-channel 12-bit ADC 2 analog comparators LDO regulator LVR (Low Voltage Reset) 2-level BOD low power consumption in operating mode: 180 µA/MHz	256 KB	32 KB	configurable	4 KB	ISP ICP IAP	Ext. crystal: 4 - 32 MHz 32.768 kHz Int. RC: 48 MHz 38.4 kHz	1.8 – 3.6	-40 – +105	LQFP-64 (7x7 mm)	P
M031SG8AE (3753 KB)	operating frequency up to 48/72 MHz programmable system clock source 2 external crystal oscillators and 2 internal RC oscillators PLL controller (the source of system clock up to 144 MHz) sourced from 2 high speed oscillators: crystal or RC 2 KB of Security Protection ROM (SPROM) 7-channel PDMA up to 55 I/Os 4 x 32-bit timers Watchdog RTC 32 interrupts interfaces: 6 x UART, 2 x SPI, 2 x I2C, I2S, EBI (External Bus Interface) supports CRC-CCITT, CRC-8, CRC-16 and CRC-32 error-detecting codes 24-channel 16-bit PWM 16-channel 12-bit ADC 2 analog comparators LDO regulator LVR (Low Voltage Reset) 2-level BOD low power consumption in operating mode: 180 µA/MHz	256 KB	64 KB	configurable	4 KB	ISP ICP IAP	Ext. crystal: 4 - 32 MHz 32.768 kHz Int. RC: 48 MHz 38.4 kHz	1.8 – 3.6	-40 – +105	LQFP-64 (7x7 mm)	P
M031SIAAE (3753 KB)	operating frequency up to 48/72 MHz programmable system clock source 2 external crystal oscillators and 2 internal RC oscillators PLL controller (the source of system clock up to 144 MHz) sourced from 2 high speed oscillators: crystal or RC 2 KB of Security Protection ROM (SPROM) 9-channel PDMA up to 55 I/Os 4 x 32-bit timers Watchdog RTC 32 interrupts interfaces: 8 x UART, 2 x SPI, 2 x I2C, I2S, EBI (External Bus Interface) supports CRC-CCITT, CRC-8, CRC-16 and CRC-32 error-detecting codes 24-channel 16-bit PWM 16-channel 12-bit ADC 2 analog comparators LDO regulator LVR (Low Voltage Reset) 2-level BOD low power consumption in operating mode: 180 µA/MHz	512 KB	96 KB	configurable	8 KB	ISP ICP IAP	Ext. crystal: 4 - 32 MHz 32.768 kHz Int. RC: 48 MHz 38.4 kHz	1.8 – 3.6	-40 – +105	LQFP-64 (7x7 mm)	P
M031TB0AE (3753 KB)	operating frequency up to 48/72 MHz programmable system clock source 2 external crystal oscillators and 2 internal RC oscillators PLL controller (the source of system clock up to 144 MHz) sourced from 2 high speed oscillators: crystal or RC 512 B of Security Protection ROM (SPROM) up to 27 I/Os 2 x 32-bit timers Watchdog 32 interrupts interfaces: 3 x UART, SPI, 2 x I2C, I2S supports CRC-CCITT, CRC-8, CRC-16 and CRC-32 error-detecting codes 6-channel 16-bit PWM 10-channel 12-bit ADC LDO regulator LVR (Low Voltage Reset) 2-level BOD low power consumption in operating mode: 180 µA/MHz	16 KB	2 KB	configurable	2 KB	ISP ICP IAP	Ext. crystal: 4 - 32 MHz 32.768 kHz Int. RC: 48 MHz 38.4 kHz	1.8 – 3.6	-40 – +105	QFN-33 (4x4 mm)	P
M031TC1AE (3753 KB)	operating frequency up to 48/72 MHz programmable system clock source 2 external crystal oscillators and 2 internal RC oscillators PLL controller (the source of system clock up to 144 MHz) sourced from 2 high speed oscillators: crystal or RC 512 B of Security Protection ROM (SPROM) 2-channel PDMA up to 27 I/Os 4 x 32-bit timers Watchdog 32 interrupts interfaces: 3 x UART, SPI, 2 x I2C, I2S supports CRC-CCITT, CRC-8, CRC-16 and CRC-32 error-detecting codes 6-channel 16-bit PWM 10-channel 12-bit ADC LDO regulator LVR (Low Voltage Reset) 2-level BOD low power consumption in operating mode: 180 µA/MHz	32 KB	4 KB	configurable	2 KB	ISP ICP IAP	Ext. crystal: 4 - 32 MHz 32.768 kHz Int. RC: 48 MHz 38.4 kHz	1.8 – 3.6	-40 – +105	QFN-33 (4x4 mm)	P
M031TD2AE (3753 KB)	operating frequency up to 48/72 MHz programmable system clock source 2 external crystal oscillators and 2 internal RC oscillators PLL controller (the source of system clock up to 144 MHz) sourced from 2 high speed oscillators: crystal or RC 512 B of Security Protection ROM (SPROM) 5-channel PDMA up to 27 I/Os 4 x 32-bit timers Watchdog 32 interrupts interfaces: 3 x UART, SPI, 2 x I2C, I2S supports CRC-CCITT, CRC-8, CRC-16 and CRC-32 error-detecting codes 12-channel 16-bit PWM 10-channel 12-bit ADC 2 analog comparators LDO regulator LVR (Low Voltage Reset) 2-level BOD low power consumption in operating mode: 180 µA/MHz	64 KB	8 KB	configurable	2 KB	ISP ICP IAP	Ext. crystal: 4 - 32 MHz 32.768 kHz Int. RC: 48 MHz 38.4 kHz	1.8 – 3.6	-40 – +105	QFN-33 (4x4 mm)	P