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| Part Number | STM32H7B3AII6Q | STM32H7A3AII6Q |
|---|---|---|
| Manufacturer | STMicroelectronics | STMicroelectronics |
| Product Status | Active | Active |
| Core Processor | ARM® Cortex®-M7 | ARM® Cortex®-M7 |
| Core Size | 32-Bit Single-Core | 32-Bit Single-Core |
| Speed | 280MHz | 280MHz |
| Connectivity | ||
| Peripherals | Brown-out Detect/Reset, DMA, I²S, LCD, POR, PWM, WDT | Brown-out Detect/Reset, DMA, I²S, LCD, POR, PWM, WDT |
| Number of I/O | 121 | 121 |
| Program Memory Size | 2MB (2M x 8) | 2MB (2M x 8) |
| Program Memory Type | Flash | Flash |
| EEPROM Size | - | - |
| RAM Size | 1.4M x 8 | 1.4M x 8 |
| Voltage - Supply (Vcc/Vdd) | 1.62V ~ 3.6V | 1.62V ~ 3.6V |
| Data Converters | A/D 24x16b; D/A 3x12b | A/D 24x16b; D/A 3x12b |
| Oscillator Type | Internal | Internal |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | 169-UFBGA | 169-UFBGA |
| Supplier Device Package | 169-UFBGA (7x7) | 169-UFBGA (7x7) |
