HC32D391FEUA
XHSC· Series HC32D391Lifecycle: Not stated
Cortex-M4 · 200 MHz · 512 KB · 192 KB · 1.8 ~ 3.6 V · QFN32
HC32D391FEUA-QFN32TRHC32D391FEUA-TFN32TR
Key specifications
CPU core
Cortex-M4
Max CPU frequency
200 MHz
Program Flash
512 KB
SRAM
192 KB
Operating voltage
1.8 ~ 3.6 V
Operating temperature
-40 ~ 85°C
Package
QFN32
GPIO count
25
UART
3
SPI
3
I²C
2
USB Full-Speed
1
ADC resolution
12
ADC channels
3
All parameters
| Core | |
| CPU core | Cortex-M4 |
| FPU | Yes |
| Max CPU frequency | 200 MHz |
| Memory | |
| Program Flash | 512 KB |
| SRAM | 192 KB |
| Power & environment | |
| Operating voltage | 1.8 ~ 3.6 V |
| Operating temperature | -40 ~ 85°C |
| Lowest-power mode current | 1.8 µA mode=Power down (掉电模式3/4), vcc=3.3V, temp=25°C, stat=typ |
| Package & IO | |
| Package | QFN32 |
| Package size | 4x4 |
| Pin count | 32 |
| GPIO count | 25 |
| Connectivity | |
| UART | 3 |
| SPI | 3 |
| I²C | 2 |
| I²S | 4 |
| QSPI | 1 |
| USB Full-Speed | 1 |
| USB roles | Device/Host |
| Analog | |
| ADC resolution | 12 |
| ADC channels | 3 |
| ADC sample rate | 2.5 MSPS |
| Op-amps / PGA | 1 |
| Temperature sensor | Yes |
| Timers & control | |
| RTC | Yes |
| DMA channels | 8 |
| Other features | |
| Crypto & security | AES, SHA, TRNG |
| Reliability | |
| ESD (HBM) | 4 kV |
| Flash data retention | 10 years temp=TA=85°C, after 10 kcycles, stat=min |
Values are read by software from the exact location in the manufacturer's document and cross-checked. The latest manufacturer datasheet prevails.