HC32F451PETB
XHSC· Series HC32F451Lifecycle: Not stated
Cortex-M4 · 200 MHz · 512 KB · 192 KB · 1.8 ~ 3.6 V · LQFP100
HC32F451PETB-LQFP100
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 ~ 105°C
Package
LQFP100
GPIO count
83
UART
4
SPI
4
I²C
3
CAN
0
USB Full-Speed
1
ADC resolution
12
ADC channels
16
All parameters
| Core | |
| CPU core | Cortex-M4(Series-wide parameter) |
| FPU | Yes(Series-wide parameter) |
| Max CPU frequency | 200 MHz |
| Memory | |
| Program Flash | 512 KB |
| SRAM | 192 KB |
| Power & environment | |
| Operating voltage | 1.8 ~ 3.6 V(Series-wide parameter) |
| Operating temperature | -40 ~ 105°C |
| Lowest-power mode current | 1.8 µA(Series-wide parameter) mode=Power down (掉电模式3/4 in Table 3-14; RTC not included — separate +RTC rows), VCC=3.3V, Ta=25°C, stat=typ |
| Package & IO | |
| Package | LQFP100 |
| Package size | 14x14 |
| Pin count | 100 |
| GPIO count | 83 |
| Connectivity | |
| UART | 4 |
| SPI | 4 |
| I²C | 3 |
| I²S | 4 |
| QSPI | 1 |
| CAN | 0 |
| USB Full-Speed | 1 |
| USB roles | Device/Host(Series-wide parameter) |
| SDIO/SDHC | 2 |
| Analog | |
| ADC resolution | 12(Series-wide parameter) |
| ADC channels | 16 |
| ADC sample rate | 2.5 MSPS(Series-wide parameter) Table 3-37/3-38 fS max: fADC=60MHz, 12-bit, single ADC (time-interleaved dual ADC: 4.6 Msps max) |
| Analog comparators | 3 |
| Op-amps / PGA | 1 |
| Temperature sensor | Yes(Series-wide parameter) |
| Timers & control | |
| RTC | Yes |
| DMA channels | 8 |
| Other features | |
| Crypto & security | AES, SHA, TRNG(Series-wide parameter) |
| Reliability | |
| ESD (HBM) | 4 kV(Series-wide parameter) Ta=25°C, standard=JESD22-A114, stat=max column |
| Flash data retention | 10 years(Series-wide parameter) 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.
Same series (3)
| PN | Max CPU frequency | Program Flash | SRAM | Operating temperature | Package | GPIO count |
|---|---|---|---|---|---|---|
| HC32F451FEUB | 200 MHz | 512 KB | 192 KB | -40 ~ 105°C | QFN32 | 25 |
| HC32F451JEUB | 200 MHz | 512 KB | 192 KB | -40 ~ 105°C | QFN48 | 38 |
| HC32F451KETB | 200 MHz | 512 KB | 192 KB | -40 ~ 105°C | LQFP64 | 52 |