M451 Base Series

The basic series of NuMicro Family 32-bit microcontrollers based on the ARM Cortex-M4 core, equipped with basic peripherals and interfaces to external devices.
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 *
M451LC3AE	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 39 I/O pins 4 x 32-bit timers Watchdog RTC 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 10-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
M451LD3AE		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
M451LE6AE	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 39 I/O pins 4 x 32-bit timers Watchdog RTC 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 8-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
M451LG6AE		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
M451RC3AE	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 53 I/O pins 4 x 32-bit timers Watchdog RTC 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 16-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
M451RD3AE		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
M451RE6AE	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 53 I/O pins 4 x 32-bit timers Watchdog RTC interfaces: 5 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 12-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-64	P
M451RG6AE		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-64	P
M451VE6AE	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 85 I/O pins 4 x 32-bit timers Watchdog RTC interfaces: 5 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 16-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-100	P
M451VG6AE		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-100	P