NUC442KI8AE
Nuvoton· Series NUC442/472Lifecycle: Mass production
Cortex-M4 · 84 MHz · 512 KB · 64 KB · 2.5 ~ 5.5 V · LQFP128
Key specifications
CPU core
Cortex-M4
Max CPU frequency
84 MHz
Program Flash
512 KB
SRAM
64 KB
Operating voltage
2.5 ~ 5.5 V
Operating temperature
-40 ~ 105°C
Package
LQFP128
GPIO count
100
UART
6
SPI
4
I²C
5
CAN
2
ADC resolution
12
ADC channels
16
PWM channels
16
All parameters
| Core | |
| CPU core | Cortex-M4 |
| FPU | Yes |
| Max CPU frequency | 84 MHz |
| Memory | |
| Program Flash | 512 KB |
| SRAM | 64 KB |
| Power & environment | |
| Operating voltage | 2.5 ~ 5.5 V |
| Operating temperature | -40 ~ 105°C |
| Lowest-power mode current | 3055 µA mode=Power-down mode (Deep Sleep mode), VDD=3.3 V, clocks=all oscillators and analog blocks turned off, TA=25°C, limit=typ |
| Package & IO | |
| Package | LQFP128 |
| Package size | 14x14 |
| Pin count | 128 |
| GPIO count | 100 |
| Connectivity | |
| UART | 6 |
| SPI | 4 |
| I²C | 5 |
| I²S | 2 |
| CAN | 2 |
| USB High-Speed | 1 |
| USB roles | Device/Host/OTG |
| LIN | 6 |
| External bus (EBI/EXMC) | Yes |
| Analog | |
| ADC resolution | 12 |
| ADC channels | 16 |
| ADC sample rate | 0.8 MSPS mode=single-ended, AVDD=4.5~5.5 V, limit=max |
| Analog comparators | 3 |
| Op-amps / PGA | 2 |
| Temperature sensor | Yes |
| Timers & control | |
| PWM channels | 16 |
| RTC | Yes |
| DMA channels | 16 |
| Other features | |
| Crypto & security | PRNG, AES, DES, SHA |
| Reliability | |
| Flash endurance | 20,000 cycles limit=typ |
| Flash data retention | 100 years TA=25°C, limit=min |
Values are read by software from the exact location in the manufacturer's document and cross-checked. The latest manufacturer datasheet prevails.
Same series (15)
| PN | Max CPU frequency | Program Flash | SRAM | Operating temperature | Package | GPIO count |
|---|---|---|---|---|---|---|
| NUC442JG8AE | 84 MHz | 256 KB | 64 KB | -40 ~ 105°C | LQFP144 | 114 |
| NUC442JI8AE | 84 MHz | 512 KB | 64 KB | -40 ~ 105°C | LQFP144 | 114 |
| NUC442KG8AE | 84 MHz | 256 KB | 64 KB | -40 ~ 105°C | LQFP128 | 100 |
| NUC442RG8AE | 84 MHz | 256 KB | 64 KB | -40 ~ 105°C | LQFP64 | 45 |
| NUC442RI8AE | 84 MHz | 512 KB | 64 KB | -40 ~ 105°C | LQFP64 | 45 |
| NUC442VG8AE | 84 MHz | 256 KB | 64 KB | -40 ~ 105°C | LQFP100 | 77 |
| NUC442VI8AE | 84 MHz | 512 KB | 64 KB | -40 ~ 105°C | LQFP100 | 77 |
| NUC472HG8AE | 84 MHz | — | — | — | — | — |
| NUC472HI8AE | 84 MHz | — | — | — | — | — |
| NUC472JG8AE | 84 MHz | — | — | — | — | — |
| NUC472JI8AE | 84 MHz | — | — | — | — | — |
| NUC472KG8AE | 84 MHz | — | — | — | — | — |
| NUC472KI8AE | 84 MHz | — | — | — | — | — |
| NUC472VG8AE | 84 MHz | — | — | — | — | — |
| NUC472VI8AE | 84 MHz | — | — | — | — | — |