32-bit ARM CortexTM-M0 - NuMicro® Family

NUC120/122/123/220 USB Series

Enhanced series of NuMicro Family 32-bit microcontrollers based on the ARM Cortex-M0 core, equipped with rich peripherals, including USB interface and offering rich functions and connection possibilities.
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 *
NUC120LC1DN
 (1521 kB)
  • operating frequency up to 50 MHz
  • programmable system clock source
  • 2 external crystal oscillators and 2 internal RC oscillators
  • PLL controller (the source of system clock up to 50 MHz) sourced from 2 high speed oscillators: crystal or RC
  • 9-channel Peripheral DMA
  • up to 33 I/Os
  • 4 x 32-bit timers
  • Watchdog
  • RTC
  • 32 interrupts
  • interfaces: 2 x UART, SPI, USB 2.0 FS, PS2 Device, 2 x I2C, I2S, SC (Smart Card)
  • 4-channel 16-bit PWM
  • 8-channel 12-bit ADC
  • analog comparator
  • LDO regulator
  • 4-level BOD with Reset function
 32 KB 4 KB 4 KB
(shared with APROM)		 4 KB ISP
ICP
IAP		 Ext. crystal:
4 - 24 MHz
32.768 kHz

Int. RC:
22.1184 MHz
10 kHz		 2.5 – 5.5 -40 – +85 LQFP-48
(7x7 mm)		 P
NUC120LD2DN
 (1521 kB) 		64 KB 8 KB 4 KB
(shared with APROM)		 4 KB ISP
ICP
IAP		 Ext. crystal:
4 - 24 MHz
32.768 kHz

Int. RC:
22.1184 MHz
10 kHz		 2.5 – 5.5 -40 – +85 LQFP-48
(7x7 mm)		 P
NUC120LE3DN
 (1521 kB) 		128 KB 16 KB configurable
(shared with APROM)		 4 KB ISP
ICP
IAP		 Ext. crystal:
4 - 24 MHz
32.768 kHz

Int. RC:
22.1184 MHz
10 kHz		 2.5 – 5.5 -40 – +85 LQFP-48
(7x7 mm)		 P
NUC120RC1DN
 (1521 kB)
  • operating frequency up to 50 MHz
  • programmable system clock source
  • 2 external crystal oscillators and 2 internal RC oscillators
  • PLL controller (the source of system clock up to 50 MHz) sourced from 2 high speed oscillators: crystal or RC
  • 9-channel Peripheral DMA
  • up to 47 I/Os
  • 4 x 32-bit timers
  • Watchdog
  • RTC
  • 32 interrupts
  • interfaces: 3 x UART, 2 x SPI, USB 2.0 FS, PS2 Device, 2 x I2C, I2S, SC (Smart Card), External Bus Interface (EBI) to external memory
  • 6-channel 16-bit PWM
  • 8-channel 12-bit ADC
  • 2 analog comparators
  • LDO regulator
  • 4-level BOD with Reset function
 32 KB 4 KB 4 KB
(shared with APROM)		 4 KB ISP
ICP
IAP		 Ext. crystal:
4 - 24 MHz
32.768 kHz

Int. RC:
22.1184 MHz
10 kHz		 2.5 – 5.5 -40 – +85 LQFP-64
(10x10 mm)		 P
NUC120RD2DN
 (1521 kB) 		64 KB 8 KB 4 KB
(shared with APROM)		 4 KB ISP
ICP
IAP		 Ext. crystal:
4 - 24 MHz
32.768 kHz

Int. RC:
22.1184 MHz
10 kHz		 2.5 – 5.5 -40 – +85 LQFP-64
(10x10 mm)		 P
NUC120RE3DN
 (1521 kB) 		128 KB 16 KB configurable
(shared with APROM)		 4 KB ISP
ICP
IAP		 Ext. crystal:
4 - 24 MHz
32.768 kHz

Int. RC:
22.1184 MHz
10 kHz		 2.5 – 5.5 -40 – +85 LQFP-64
(10x10 mm)		 P
NUC120VE3DN
 (1521 kB)
  • operating frequency up to 50 MHz
  • programmable system clock source
  • 2 external crystal oscillators and 2 internal RC oscillators
  • PLL controller (the source of system clock up to 50 MHz) sourced from 2 high speed oscillators: crystal or RC
  • 9-channel Peripheral DMA
  • up to 80 I/Os
  • 4 x 32-bit timers
  • Watchdog
  • RTC
  • 32 interrupts
  • interfaces: 3 x UART, 2 x SPI, USB 2.0 FS, PS2 Device, 2 x I2C, I2S, SC (Smart Card), External Bus Interface (EBI) to external memory
  • 8-channel 16-bit PWM
  • 8-channel 12-bit ADC
  • 2 analog comparators
  • LDO regulator
  • 4-level BOD with Reset function
 128 KB 16 KB configurable
(shared with APROM)		 4 KB ISP
ICP
IAP		 Ext. crystal:
4 - 24 MHz
32.768 kHz

Int. RC:
22.1184 MHz
10 kHz		 2.5 – 5.5 -40 – +85 LQFP-100
(14x14 mm)		 P
NUC122LC1AN
 (1115 kB)
  • operating frequency up to 60 MHz
  • programmable system clock source
  • 2 external crystal oscillators and 2 internal RC oscillators
  • PLL controller (the source of system clock up to 50 MHz) sourced from 2 high speed oscillators: crystal or RC
  • up to 30 I/Os
  • 4 x 32-bit timers
  • Watchdog
  • RTC
  • 32 interrupts
  • interfaces: 2 x UART, 2 x SPI, USB 2.0 FS, PS2 Device, I2C
  • 4-channel 16-bit PWM
  • LDO regulator
  • 4-level BOD with Reset function
 32 KB 4 KB 4 KB
(shared with APROM)		 4 KB ISP
ICP		 Ext. crystal:
4 - 24 MHz
32.768 kHz

Int. RC:
22.1184 MHz
10 kHz		 2.5 – 5.5 -40 – +85 LQFP-48
(7x7 mm)		 P
NUC122LD2AN
 (1115 kB) 		64 KB 8 KB 4 KB
(shared with APROM)		 4 KB ISP
ICP		 Ext. crystal:
4 - 24 MHz
32.768 kHz

Int. RC:
22.1184 MHz
10 kHz		 2.5 – 5.5 -40 – +85 LQFP-48
(7x7 mm)		 P
NUC122SC1AN
 (1115 kB)
  • operating frequency up to 60 MHz
  • programmable system clock source
  • 2 external crystal oscillators and 2 internal RC oscillators
  • PLL controller (the source of system clock up to 50 MHz) sourced from 2 high speed oscillators: crystal or RC
  • up to 41 I/Os
  • 4 x 32-bit timers
  • Watchdog
  • RTC
  • 32 interrupts
  • interfaces: 2 x UART, 2 x SPI, USB 2.0 FS, PS2 Device, I2C
  • 4-channel 16-bit PWM
  • LDO regulator
  • 4-level BOD with Reset function
 32 KB 4 KB 4 KB
(shared with APROM)		 4 KB ISP
ICP		 Ext. crystal:
4 - 24 MHz
32.768 kHz

Int. RC:
22.1184 MHz
10 kHz		 2.5 – 5.5 -40 – +85 LQFP-64
(7x7 mm)		 P
NUC122SD2AN
 (1115 kB) 		64 KB 8 KB 4 KB
(shared with APROM)		 4 KB ISP
ICP		 Ext. crystal:
4 - 24 MHz
32.768 kHz

Int. RC:
22.1184 MHz
10 kHz		 2.5 – 5.5 -40 – +85 LQFP-64
(7x7 mm)		 P
NUC122ZC1AN
 (1115 kB)
  • operating frequency up to 60 MHz
  • programmable system clock source
  • 2 external crystal oscillators and 2 internal RC oscillators
  • PLL controller (the source of system clock up to 60 MHz) sourced from 2 high speed oscillators: crystal or RC
  • up to 18 I/Os
  • 4 x 32-bit timers
  • Watchdog
  • 32 interrupts
  • interfaces: UART, 2 x SPI, USB 2.0 FS, I2C
  • LDO regulator
  • 4-level BOD with Reset function
 32 KB 4 KB 4 KB
(shared with APROM)		 4 KB ISP
ICP		 Ext. crystal:
4 - 24 MHz
32.768 kHz

Int. RC:
22.1184 MHz
10 kHz		 2.5 – 5.5 -40 – +85 QFN-33
(5x5 mm)		 P
NUC122ZD2AN
 (1115 kB) 		64 KB 8 KB 4 KB
(shared with APROM)		 4 KB ISP
ICP		 Ext. crystal:
4 - 24 MHz
32.768 kHz

Int. RC:
22.1184 MHz
10 kHz		 2.5 – 5.5 -40 – +85 QFN-33
(5x5 mm)		 P
NUC123LC2AE1
 (1462 kB)
  • operating frequency up to 72 MHz
  • programmable system clock source
  • 1 external crystal oscillator 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
  • 6-channel Peripheral DMA
  • up to 36 I/Os
  • 4 x 32-bit timers
  • Watchdog
  • 32 interrupts
  • interfaces: 2 x UART, 3 x SPI, USB 2.0 FS, PS2 Device, 2 x I2C, I2S
  • 4-channel PWM
  • 8-channel 12-bit ADC
  • LDO regulator
  • 4-level BOD with Reset function
 36 KB 12 KB configurable
(shared with APROM)		 4 KB ISP
ICP		 Ext. crystal:
4 - 24 MHz

Int. RC:
22.1184 MHz
10 kHz		 2.5 – 5.5 -40 – +105 LQFP-48
(7x7 mm)		 P
NUC123LC2AN1
 (1462 kB) 		36 KB 12 KB configurable
(shared with APROM)		 4 KB ISP
ICP		 Ext. crystal:
4 - 24 MHz

Int. RC:
22.1184 MHz
10 kHz		 2.5 – 5.5 -40 – +85 LQFP-48
(7x7 mm)		 P
NUC123LD4AE0
 (1462 kB) 		68 KB 20 KB configurable
(shared with APROM)		 4 KB ISP
ICP		 Ext. crystal:
4 - 24 MHz

Int. RC:
22.1184 MHz
10 kHz		 2.5 – 5.5 -40 – +105 LQFP-48
(7x7 mm)		 P
NUC123LD4AN0
 (1462 kB) 		68 KB 20 KB configurable
(shared with APROM)		 4 KB ISP
ICP		 Ext. crystal:
4 - 24 MHz

Int. RC:
22.1184 MHz
10 kHz		 2.5 – 5.5 -40 – +85 LQFP-48
(7x7 mm)		 P
NUC123SC2AE1
 (1462 kB)
  • operating frequency up to 72 MHz
  • programmable system clock source
  • 1 external crystal oscillator 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
  • 6-channel Peripheral DMA
  • up to 47 I/Os
  • 4 x 32-bit timers
  • Watchdog
  • 32 interrupts
  • interfaces: 2 x UART, 3 x SPI, USB 2.0 FS, PS2 Device, 2 x I2C, I2S
  • 4-channel PWM
  • 8-channel 12-bit ADC
  • LDO regulator
  • 4-level BOD with Reset function
 36 KB 12 KB configurable
(shared with APROM)		 4 KB ISP
ICP		 Ext. crystal:
4 - 24 MHz

Int. RC:
22.1184 MHz
10 kHz		 2.5 – 5.5 -40 – +105 LQFP-64
(7x7 mm)		 P
NUC123SC2AN1
 (1462 kB) 		36 KB 12 KB configurable
(shared with APROM)		 4 KB ISP
ICP		 Ext. crystal:
4 - 24 MHz

Int. RC:
22.1184 MHz
10 kHz		 2.5 – 5.5 -40 – +85 LQFP-64
(7x7 mm)		 P
NUC123SD4AE0
 (1462 kB) 		68 KB 20 KB configurable
(shared with APROM)		 4 KB ISP
ICP		 Ext. crystal:
4 - 24 MHz

Int. RC:
22.1184 MHz
10 kHz		 2.5 – 5.5 -40 – +105 LQFP-64
(7x7 mm)		 P
NUC123SD4AN0
 (1462 kB) 		68 KB 20 KB configurable
(shared with APROM)		 4 KB ISP
ICP		 Ext. crystal:
4 - 24 MHz

Int. RC:
22.1184 MHz
10 kHz		 2.5 – 5.5 -40 – +85 LQFP-64
(7x7 mm)		 P
NUC123ZC2AE1
 (1462 kB)
  • operating frequency up to 72 MHz
  • programmable system clock source
  • 1 external crystal oscillator 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
  • 6-channel Peripheral DMA
  • up to 20 I/Os
  • 4 x 32-bit timers
  • Watchdog
  • 32 interrupts
  • interfaces: UART, 3 x SPI, USB 2.0 FS, I2C, I2S
  • 2-channel PWM
  • LDO regulator
  • 4-level BOD with Reset function
 36 KB 12 KB configurable
(shared with APROM)		 4 KB ISP
ICP		 Ext. crystal:
4 - 24 MHz

Int. RC:
22.1184 MHz
10 kHz		 2.5 – 5.5 -40 – +105 QFN-33
(5x5 mm)		 P
NUC123ZC2AN1
 (1462 kB) 		36 KB 12 KB configurable
(shared with APROM)		 4 KB ISP
ICP		 Ext. crystal:
4 - 24 MHz

Int. RC:
22.1184 MHz
10 kHz		 2.5 – 5.5 -40 – +85 QFN-33
(5x5 mm)		 P
NUC123ZD4AE0
 (1462 kB) 		68 KB 20 KB configurable
(shared with APROM)		 4 KB ISP
ICP		 Ext. crystal:
4 - 24 MHz

Int. RC:
22.1184 MHz
10 kHz		 2.5 – 5.5 -40 – +105 QFN-33
(5x5 mm)		 P
NUC123ZD4AN0
 (1462 kB) 		68 KB 20 KB configurable
(shared with APROM)		 4 KB ISP
ICP		 Ext. crystal:
4 - 24 MHz

Int. RC:
22.1184 MHz
10 kHz		 2.5 – 5.5 -40 – +85 QFN-33
(5x5 mm)		 P
NUC220LC2AN
 (2253 kB)
  • operating frequency up to 50 MHz
  • programmable system clock source
  • 2 external crystal oscillators and 2 internal RC oscillators
  • PLL controller (the source of system clock up to 50 MHz) sourced from 2 high speed oscillators: crystal or RC
  • 9-channel Peripheral DMA
  • up to 31 I/Os
  • 4 x 32-bit timers
  • Watchdog
  • RTC
  • 32 interrupts
  • interfaces: 2 x UART, SPI, USB 2.0 FS, PS2 Device, 2 x I2C, I2S, 2 x SC (Smart Card)
  • 4-channel 16-bit PWM
  • 7-channel 12-bit ADC
  • analog comparator
  • LDO regulator
  • 4-level BOD with Reset function
 32 KB 8 KB 4 KB
(shared with APROM)		 4 KB ISP
ICP
IAP		 Ext. crystal:
4 - 24 MHz
32.768 kHz

Int. RC:
22.1184 MHz
10 kHz		 2.5 – 5.5 -40 – +85 LQFP-48
(7x7 mm)		 P
NUC220LD2AN
 (2253 kB) 		64 KB 8 KB 4 KB
(shared with APROM)		 4 KB ISP
ICP
IAP		 Ext. crystal:
4 - 24 MHz
32.768 kHz

Int. RC:
22.1184 MHz
10 kHz		 2.5 – 5.5 -40 – +85 LQFP-48
(7x7 mm)		 P
NUC220LE3AN
 (2253 kB) 		128 KB 16 KB configurable
(shared with APROM)		 4 KB ISP
ICP
IAP		 Ext. crystal:
4 - 24 MHz
32.768 kHz

Int. RC:
22.1184 MHz
10 kHz		 2.5 – 5.5 -40 – +85 LQFP-48
(7x7 mm)		 P
NUC220SC2AN
 (2253 kB)
  • operating frequency up to 50 MHz
  • programmable system clock source
  • 2 external crystal oscillators and 2 internal RC oscillators
  • PLL controller (the source of system clock up to 50 MHz) sourced from 2 high speed oscillators: crystal or RC
  • 9-channel Peripheral DMA
  • up to 45 I/Os
  • 4 x 32-bit timers
  • Watchdog
  • RTC
  • 32 interrupts
  • interfaces: 2 x UART, 2 x SPI, USB 2.0 FS, PS2 Device, 2 x I2C, I2S, 2 x SC (Smart Card)
  • 6-channel 16-bit PWM
  • 7-channel 12-bit ADC
  • 2 analog comparators
  • LDO regulator
  • 4-level BOD with Reset function
 32 KB 8 KB 4 KB
(shared with APROM)		 4 KB ISP
ICP
IAP		 Ext. crystal:
4 - 24 MHz
32.768 kHz

Int. RC:
22.1184 MHz
10 kHz		 2.5 – 5.5 -40 – +85 LQFP-64
(7x7 mm)		 P
NUC220SD2AN
 (2253 kB) 		64 KB 8 KB 4 KB
(shared with APROM)		 4 KB ISP
ICP
IAP		 Ext. crystal:
4 - 24 MHz
32.768 kHz

Int. RC:
22.1184 MHz
10 kHz		 2.5 – 5.5 -40 – +85 LQFP-64
(7x7 mm)		 P
NUC220SE3AN
 (2253 kB) 		128 KB 16 KB configurable
(shared with APROM)		 4 KB ISP
ICP
IAP		 Ext. crystal:
4 - 24 MHz
32.768 kHz

Int. RC:
22.1184 MHz
10 kHz		 2.5 – 5.5 -40 – +85 LQFP-64
(7x7 mm)		 P
NUC220VE3AN
 (2253 kB)
  • operating frequency up to 50 MHz
  • programmable system clock source
  • 2 external crystal oscillators and 2 internal RC oscillators
  • PLL controller (the source of system clock up to 50 MHz) sourced from 2 high speed oscillators: crystal or RC
  • 9-channel Peripheral DMA
  • up to 79 I/Os
  • 4 x 32-bit timers
  • Watchdog
  • RTC
  • 32 interrupts
  • interfaces: 3 x UART, 4 x SPI, USB 2.0 FS, PS2 Device, 2 x I2C, I2S, 3 x SC (Smart Card)
  • 8-channel 16-bit PWM
  • 8-channel 12-bit ADC
  • 2 analog comparators
  • LDO regulator
  • 4-level BOD with Reset function
 128 KB 16 KB configurable
(shared with APROM)		 4 KB ISP
ICP
IAP		 Ext. crystal:
4 - 24 MHz
32.768 kHz

Int. RC:
22.1184 MHz
10 kHz		 2.5 – 5.5 -40 – +85 LQFP-100
(14x14 mm)		 P