32-bit ARM CortexTM-M0 - NuMicro® Family

M031BT Series

The series of NuMicro Family ultra-low power 32-bit microcontrollers based on the ARM Cortex-M0 core with built-in RF transceiver compatible with the Bluetooth Low Energy 5.0 (BLE 5.0). They are running up to 48/72 MHz within -40 – +105 °C and are 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 *
M031BTYD2AN
  • operating frequency up to 48/72 MHz
  • programmable system clock source
  • 3 external crystal oscillators and 3 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 29 I/Os
  • 4 x 32-bit timers
  • Watchdog
  • 32 interrupts
  • interfaces: 3 x UART, 2 x I2C, USCI (configured as UART, SPI or I2C)
  • RF transceiver for wireless applications which is fully compliant with the Bluetooth Low Energy 5.0 (BLE 5.0) standard and also supports proprietary 2.4 GHz protocols
  • 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
 64 KB 8 KB configurable 2 KB ISP
ICP
IAP		 Ext. crystal:
4 - 32 MHz
32.768 kHz
16/32 MHz

Int. RC:
48 MHz
38.4 kHz
32 kHz		 1.8 – 3.6 -40 – +85 QFN-48
(5x5 mm)		 P
M031BTYE3AN
 (3279 kB)
  • operating frequency up to 48/72 MHz
  • programmable system clock source
  • 3 external crystal oscillators and 3 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 29 I/Os
  • 4 x 32-bit timers
  • Watchdog
  • 32 interrupts
  • interfaces: 3 x UART, 2 x I2C, USCI (configured as UART, SPI or I2C)
  • RF transceiver for wireless applications which is fully compliant with the Bluetooth Low Energy 5.0 (BLE 5.0) standard and also supports proprietary 2.4 GHz protocols
  • 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
 128 KB 16 KB configurable 4 KB ISP
ICP
IAP		 Ext. crystal:
4 - 32 MHz
32.768 kHz
16/32 MHz

Int. RC:
48 MHz
38.4 kHz
32 kHz		 1.8 – 3.6 -40 – +85 QFN-48
(5x5 mm)		 P