M451M Series

The series of NuMicro Family 32-bit microcontrollers based on the ARM Cortex-M4 core, equipped with basic peripherals and interfaces to external devices. It is pin compatible with M051 series based on the ARM Cortex-M0 core.
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 *
M451MLC3AE (3411 KB)	operating frequency up to 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 8-channel PDMA up to 42 I/O pins 4 x 32-bit timers Watchdog interfaces: 5 x UART (supporting IrDA, RS-485 and LIN function), SC (ISO-7816-3), 2 x SPI, 2 x I2C, I2S, EBI 12-ch 16-bit PWM 9-ch 12-bit ADC 12-bit DAC 2 x analog comparator temperature sensor with 1 °C resolution LDO regulator 4-level BOD with Reset function	40 KB	16 KB	shared with APROM	4 KB	ISP IAP ICP	Ext. crystal: 4 - 24 MHz & 32.768 kHz Int. RC: 22.1184 MHz & 10 kHz	2.5 – 5.5	-40 – +105	LQFP-48	P
M451MLD3AE (3411 KB)		72 KB	16 KB	shared with APROM	4 KB	ISP IAP ICP	Ext. crystal: 4 - 24 MHz & 32.768 kHz Int. RC: 22.1184 MHz & 10 kHz	2.5 – 5.5	-40 – +105	LQFP-48	P
M451MLE6AE (3411 KB)	operating frequency up to 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 12-channel PDMA up to 42 I/O pins 4 x 32-bit timers Watchdog interfaces: 4 x UART (supporting IrDA, RS-485 and LIN function), SC (ISO-7816-3), 3 x SPI, 2 x I2C, 2 x I2S, EBI 12-ch 16-bit PWM 11-ch 12-bit ADC 12-bit DAC 2 x analog comparator temperature sensor with 1 °C resolution LDO regulator 4-level BOD with Reset function	128 KB	32 KB	shared with APROM	4 KB	ISP IAP ICP	Ext. crystal: 4 - 24 MHz & 32.768 kHz Int. RC: 22.1184 MHz & 10 kHz	2.5 – 5.5	-40 – +105	LQFP-48	P
M451MLG6AE (3411 KB)		256 KB	32 KB	shared with APROM	4 KB	ISP IAP ICP	Ext. crystal: 4 - 24 MHz & 32.768 kHz Int. RC: 22.1184 MHz & 10 kHz	2.5 – 5.5	-40 – +105	LQFP-48	P
M451MSC3AE (3411 KB)	operating frequency up to 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 8-channel PDMA up to 55 I/O pins 4 x 32-bit timers Watchdog interfaces: 5 x UART (supporting IrDA, RS-485 and LIN function), SC (ISO-7816-3), 2 x SPI, 2 x I2C, I2S, EBI 12-ch 16-bit PWM 13-ch 12-bit ADC 12-bit DAC 2 x analog comparator temperature sensor with 1 °C resolution LDO regulator 4-level BOD with Reset function	40 KB	16 KB	shared with APROM	4 KB	ISP IAP ICP	Ext. crystal: 4 - 24 MHz & 32.768 kHz Int. RC: 22.1184 MHz & 10 kHz	2.5 – 5.5	-40 – +105	LQFP-64	P
M451MSD3AE (3411 KB)		72 KB	16 KB	shared with APROM	4 KB	ISP IAP ICP	Ext. crystal: 4 - 24 MHz & 32.768 kHz Int. RC: 22.1184 MHz & 10 kHz	2.5 – 5.5	-40 – +105	LQFP-64	P