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| Part Number | STM32G4A1REI6 | STM32G491REI6 |
|---|---|---|
| Manufacturer | STMicroelectronics | STMicroelectronics |
| Product Status | Active | Active |
| Core Processor | ARM® Cortex®-M4F | ARM® Cortex®-M4F |
| Core Size | 32-Bit Single-Core | 32-Bit Single-Core |
| Speed | 170MHz | 170MHz |
| Connectivity | CANbus, I²C, IrDA, IRTIM, LINbus, SAI, SPI, UART/USART, USB | CANbus, I²C, IrDA, IRTIM, LINbus, SAI, SPI, UART/USART, USB |
| Peripherals | Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT | Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT |
| Number of I/O | 52 | 52 |
| Program Memory Size | 512KB (512K x 8) | 512KB (512K x 8) |
| Program Memory Type | Flash | Flash |
| EEPROM Size | - | - |
| RAM Size | 112K x 8 | 112K x 8 |
| Voltage - Supply (Vcc/Vdd) | 1.71V ~ 3.6V | 1.71V ~ 3.6V |
| Data Converters | A/D 24x12b; D/A 4x12b | A/D 24x12b; D/A 4x12b |
| Oscillator Type | Internal | Internal |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | 64-UFBGA | 64-UFBGA |
| Supplier Device Package | 64-UFBGA (5x5) | 64-UFBGA (5x5) |
