M4521SE6AE
Nuvoton· Series M4521 USBLifecycle: Mass production
Cortex-M4 · 72 MHz · 128 KB · 32 KB · 2.5 ~ 5.5 V · LQFP64
Key specifications
CPU core
Cortex-M4
Max CPU frequency
72 MHz
Program Flash
128 KB
SRAM
32 KB
Operating voltage
2.5 ~ 5.5 V
Operating temperature
-40 ~ 105°C
Package
LQFP64
GPIO count
49
UART
4
SPI
1
I²C
2
USB Full-Speed
1
ADC resolution
12
ADC channels
16
PWM channels
12
All parameters
| Core | |
| CPU core | Cortex-M4(Series-wide parameter) |
| FPU | Yes(Series-wide parameter) |
| Max CPU frequency | 72 MHz |
| Memory | |
| Program Flash | 128 KB |
| SRAM | 32 KB |
| Power & environment | |
| Operating voltage | 2.5 ~ 5.5 V(Series-wide parameter) |
| Operating temperature | -40 ~ 105°C |
| Lowest-power mode current | 19.38 µA(Series-wide parameter) mode=Power-down (Deep Sleep), VDD=3.3V, TA=25°C, HXT/HIRC/PLL=off, LXT=off, RTC=off, RAM=retained, stat=typ |
| Package & IO | |
| Package | LQFP64 |
| Package size | 7x7 |
| Pin count | 64 |
| GPIO count | 49 |
| Connectivity | |
| UART | 4 |
| SPI | 1 |
| I²C | 2 |
| QSPI | 1 |
| USB Full-Speed | 1 |
| USB roles | Device/Host |
| External bus (EBI/EXMC) | Yes |
| Analog | |
| ADC resolution | 12(Series-wide parameter) |
| ADC channels | 16 |
| ADC sample rate | 1 MSPS(Series-wide parameter) VDD = 5.0 V |
| Temperature sensor | Yes(Series-wide parameter) |
| Timers & control | |
| PWM channels | 12 |
| RTC | Yes |
| DMA channels | 8 |
| Reliability | |
| Flash endurance | 20,000 cycles(Series-wide parameter) min |
| Flash data retention | 100 years(Series-wide parameter) min, TA = 25°C |
Values are read by software from the exact location in the manufacturer's document and cross-checked. The latest manufacturer datasheet prevails.
Same series (1)
| PN | Max CPU frequency | Program Flash | SRAM | Operating temperature | Package | GPIO count |
|---|---|---|---|---|---|---|
| M4521LE6AE | 72 MHz | 128 KB | 32 KB | -40 ~ 105°C | LQFP48 | 35 |