HC32F420JAUB
XHSC· Series HC32F420Lifecycle: Not stated
Cortex-M4 · 84 MHz · 128 KB · 24 KB · 2 ~ 5.5 V · QFN48
HC32F420JAUB-QFN48TR
Key specifications
CPU core
Cortex-M4
Max CPU frequency
84 MHz
Program Flash
128 KB
SRAM
24 KB
Operating voltage
2 ~ 5.5 V
Operating temperature
-40 ~ 105°C
Package
QFN48
GPIO count
38
UART
4
SPI
2
I²C
2
ADC resolution
12
ADC channels
10
All parameters
| Core | |
| CPU core | Cortex-M4(Series-wide parameter) |
| Max CPU frequency | 84 MHz |
| Memory | |
| Program Flash | 128 KB |
| SRAM | 24 KB |
| Power & environment | |
| Operating voltage | 2 ~ 5.5 V |
| Operating temperature | -40 ~ 105°C |
| Lowest-power mode current | 3.8 µA(Series-wide parameter) mode=DeepSleep, clocks=all peripherals clock OFF, no clock (NO CLK), VCC=3.3V, TA=25°C, stat=typ, VCAP=1.2V |
| Package & IO | |
| Package | QFN48 |
| Package size | 7x7 |
| Pin count | 48 |
| GPIO count | 38 |
| Connectivity | |
| UART | 4 |
| SPI | 2 |
| I²C | 2 |
| Analog | |
| ADC resolution | 12(Series-wide parameter) |
| ADC channels | 10 |
| ADC sample rate | 1 MSPS(Series-wide parameter) |
| Analog comparators | 2 |
| Temperature sensor | Yes(Series-wide parameter) |
| Timers & control | |
| DMA channels | 6 |
| Reliability | |
| ESD (HBM) | 4 kV(Series-wide parameter) |
| Flash endurance | 20,000 cycles(Series-wide parameter) stat=min, retention=20 years @ TA=85°C, TA=-40~105°C, operation=program / sector erase |
| Flash data retention | 20 years(Series-wide parameter) TA=85°C, endurance=20000 cycles (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 |
|---|---|---|---|---|---|---|
| HC32F420FAUB | 84 MHz | 128 KB | 24 KB | -40 ~ 105°C | QFN32 | 27 |
| HC32F420JATB | 84 MHz | 128 KB | 24 KB | -40 ~ 105°C | LQFP48 | 38 |
| HC32F420KATB | 84 MHz | 128 KB | 24 KB | -40 ~ 105°C | LQFP64 | 52 |