32-bit ARM Cortex M3 RISC microcontroller featuring 512KB Flash program memory and 64KB RAM. This MCU operates at a maximum clock rate of 72 MHz and offers 51 programmable I/Os. Integrated peripherals include CAN, multiple I2C, SPI, and USART interfaces, along with a USB controller. The device is housed in a compact 64-pin WLCSP (Wafer Level Chip Scale Package) with a 0.5mm pin pitch, suitable for surface mounting. It supports operating voltages from 2.5V to 3.3V, with a maximum supply voltage of 3.6V, and operates across an extended temperature range of -40°C to 105°C.
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Stmicroelectronics STM32F103REY7TR technical specifications.
| Basic Package Type | Ball Grid Array |
| Package Family Name | BGA |
| Package/Case | WLCSP |
| Package Description | Wafer Level Chip Scale Package |
| Lead Shape | Ball |
| Pin Count | 64 |
| PCB | 64 |
| Package Length (mm) | 4.47 |
| Package Width (mm) | 4.4 |
| Package Height (mm) | 0.36 |
| Seated Plane Height (mm) | 0.59 |
| Pin Pitch (mm) | 0.5 |
| Package Material | Plastic |
| Mounting | Surface Mount |
| Family Name | STM32F |
| Data Bus Width | 32bit |
| Instruction Set Architecture | RISC |
| Maximum Clock Rate | 72MHz |
| Maximum CPU Frequency | 72MHz |
| Device Core | ARM Cortex M3 |
| Program Memory Type | Flash |
| Program Memory Size | 512KB |
| RAM Size | 64KB |
| Number of Programmable I/Os | 51 |
| Core Architecture | ARM |
| Programmability | Yes |
| Number of Timers | 8 |
| Interface Type | CAN/I2C/SPI/USART/USB |
| CAN | 1 |
| I2C | 2 |
| SPI | 3 |
| Ethernet | 0 |
| UART | 0 |
| USART | 5 |
| USB | 1 |
| I2S | 0 |
| Max Operating Supply Voltage | 3.6V |
| Min Operating Temperature | -40°C |
| Max Operating Temperature | 105°C |
| ADC Channels | 16/16/16 |
| Number of ADCs | Triple |
| DAC Channels | 2/2 |
| DAC Resolution | 12/12bit |
| Number of DACs | Dual |
| Cage Code | SCR76 |
| HTS Code | 8542310001 |
| Schedule B | 8542310000 |
| Automotive | No |
| AEC Qualified | No |
| PPAP | No |
| Radiation Hardening | No |
| RoHS Versions | 2002/95/EC |
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