32-bit ARM Cortex M3 RISC microcontroller featuring 512KB Flash program memory and 64KB RAM. This surface-mount device operates at up to 64 MHz, offering 47 programmable I/Os, 6 timers, and multiple interfaces including I2S, SPI, UART, USART, and USB. It supports 11 ADC channels and dual 12-bit DAC channels, with an operating voltage range of 1.8V to 3.6V and an extended temperature range of -40°C to 85°C. The component is housed in a compact 64-pin QFN EP package with an exposed pad.
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| Basic Package Type | Non-Lead-Frame SMT |
| Package Family Name | QFN |
| Package/Case | QFN EP |
| Package Description | Quad Flat No Lead Package, Exposed Pad |
| Lead Shape | No Lead |
| Pin Count | 64 |
| PCB | 64 |
| Package Length (mm) | 9 |
| Package Width (mm) | 9 |
| Package Height (mm) | 0.95(Max) |
| Seated Plane Height (mm) | 1(Max) |
| Pin Pitch (mm) | 0.5 |
| Package Material | Plastic |
| Mounting | Surface Mount |
| Family Name | SAM3S |
| Data Bus Width | 32bit |
| Instruction Set Architecture | RISC |
| Maximum Clock Rate | 64MHz |
| Maximum CPU Frequency | 64MHz |
| Device Core | ARM Cortex M3 |
| Program Memory Type | Flash |
| Program Memory Size | 512KB |
| RAM Size | 64KB |
| Number of Programmable I/Os | 47 |
| Core Architecture | ARM |
| Programmability | Yes |
| Number of Timers | 6 |
| Interface Type | I2S/SPI/UART/USART/USB |
| CAN | 0 |
| I2C | 0 |
| SPI | 3 |
| Ethernet | 0 |
| UART | 4 |
| USART | 2 |
| USB | 1 |
| I2S | 1 |
| Max Operating Supply Voltage | 3.6V |
| Min Operating Temperature | -40°C |
| Max Operating Temperature | 85°C |
| ADC Channels | 11 |
| Number of ADCs | Single |
| DAC Channels | 2 |
| DAC Resolution | 12bit |
| Number of DACs | Single |
| Cage Code | 60991 |
| EU RoHS | Yes |
| HTS Code | 8542310001 |
| Schedule B | 8542310000 |
| ECCN | 3A991.a.2 |
| Automotive | No |
| AEC Qualified | No |
| PPAP | No |
| RoHS Versions | 2011/65/EU, 2015/863 |
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