M0A21 Series

The series of NuMicro Family 32-bit microcontrollers based on the ARM Cortex-M0 core, running up to 48 MHz within -40 – +125 °C and equipped with rich peripherals and interfaces, including LIN interface.
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 *
M0A21EB1AC (3479 KB)	operating frequency up to 48 MHz programmable system clock source 2 external crystal oscillators and 2 internal RC oscillators PLL controller sourced from 2 high speed oscillators: crystal or RC 5-channel PDMA up to 26 I/Os 4 x 32-bit timers Watchdog 32 interrupts interfaces: 2 x UART, 2 x USCI (configured as UART, SPI or I2C), 2 x LIN supports CRC-CCITT, CRC-8, CRC-16 and CRC-32 error-detecting codes 6-channel 16-bit PWM 17-channel 12-bit ADC 2-channel 5-bit DAC 2 analog comparators LDO regulator LVR (Low Voltage Reset) 2-level BOD	16 KB	4 KB	configurable	2 KB	ISP IAP	Ext. crystal: 4 - 24 MHz 32.768 kHz Int. RC: 48 MHz 38.4 kHz	2.4 – 5.5	-40 – +125	TSSOP-28 (4.4x9.7 mm)	P
M0A21EC1AC (3479 KB)	operating frequency up to 48 MHz programmable system clock source 2 external crystal oscillators and 2 internal RC oscillators PLL controller sourced from 2 high speed oscillators: crystal or RC 5-channel PDMA up to 26 I/Os 4 x 32-bit timers Watchdog 32 interrupts interfaces: 2 x UART, 2 x USCI (configured as UART, SPI or I2C), 2 x LIN supports CRC-CCITT, CRC-8, CRC-16 and CRC-32 error-detecting codes 6-channel 16-bit PWM 17-channel 12-bit ADC 2-channel 5-bit DAC 2 analog comparators LDO regulator LVR (Low Voltage Reset) 2-level BOD	32 KB	4 KB	configurable	2 KB	ISP IAP	Ext. crystal: 4 - 24 MHz 32.768 kHz Int. RC: 48 MHz 38.4 kHz	2.4 – 5.5	-40 – +125	TSSOP-28 (4.4x9.7 mm)	P
M0A21OB1AC (3479 KB)	operating frequency up to 48 MHz programmable system clock source 2 external crystal oscillators and 2 internal RC oscillators PLL controller sourced from 2 high speed oscillators: crystal or RC 5-channel PDMA up to 18 I/Os 4 x 32-bit timers Watchdog 32 interrupts interfaces: 2 x UART, 2 x USCI (configured as UART, SPI or I2C), 2 x LIN supports CRC-CCITT, CRC-8, CRC-16 and CRC-32 error-detecting codes 6-channel 16-bit PWM 17-channel 12-bit ADC 2-channel 5-bit DAC 2 analog comparators LDO regulator LVR (Low Voltage Reset) 2-level BOD	16 KB	4 KB	configurable	2 KB	ISP IAP	Ext. crystal: 4 - 24 MHz 32.768 kHz Int. RC: 48 MHz 38.4 kHz	2.4 – 5.5	-40 – +125	SSOP-20 (5.3x7.2 mm)	P
M0A21OC1AC (3479 KB)	operating frequency up to 48 MHz programmable system clock source 2 external crystal oscillators and 2 internal RC oscillators PLL controller sourced from 2 high speed oscillators: crystal or RC 5-channel PDMA up to 18 I/Os 4 x 32-bit timers Watchdog 32 interrupts interfaces: 2 x UART, 2 x USCI (configured as UART, SPI or I2C), 2 x LIN supports CRC-CCITT, CRC-8, CRC-16 and CRC-32 error-detecting codes 6-channel 16-bit PWM 17-channel 12-bit ADC 2-channel 5-bit DAC 2 analog comparators LDO regulator LVR (Low Voltage Reset) 2-level BOD	32 KB	4 KB	configurable	2 KB	ISP IAP	Ext. crystal: 4 - 24 MHz 32.768 kHz Int. RC: 48 MHz 38.4 kHz	2.4 – 5.5	-40 – +125	SSOP-20 (5.3x7.2 mm)	P