32-bit ARM CortexTM-M4 - NuMicro® Family

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