8-Bit Microcontroller featuring a 50MHz core, 64KB FLASH memory, and 4.25KB RAM. This CMOS device supports I2C, SPI, UART, USART, EBI/EMI, and SMBus interfaces, with 33 programmable I/Os and 6 PWM channels. Operating from 1.8V to 5.25V, it functions between -40°C and 125°C. The QFN-40 package is surface mountable with tin contact plating. Integrated peripherals include POR, WDT, and a temperature sensor.
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Silicon Labs C8051F509-IM technical specifications.
| Package/Case | QFN |
| Contact Plating | Tin |
| Core Architecture | 8051 |
| Data Bus Width | 8b |
| Frequency | 50MHz |
| Height | 0.85mm |
| Interface | I2C, SPI, UART, USART, EBI/EMI, SMBus, 2-Wire |
| Length | 6mm |
| Max Frequency | 50MHz |
| Max Operating Temperature | 125°C |
| Max Supply Voltage | 5.25V |
| Memory Size | 64KB |
| Memory Type | FLASH, |
| Min Operating Temperature | -40°C |
| Min Supply Voltage | 1.8V |
| Mount | Surface Mount |
| Number of Channels | 6 |
| Number of I/Os | 33 |
| Number of I2C Channels | 1 |
| Number of Programmable I/O | 33 |
| Number of PWM Channels | 6 |
| Number of SPI Channels | 1 |
| Number of Timers/Counters | 4 |
| Number of UART Channels | 1 |
| Oscillator Type | Internal |
| Package Quantity | 50 |
| Packaging | Rail/Tube |
| Peripherals | POR, PWM, WDT, Temp Sensor |
| RAM Size | 4.25KB |
| RoHS Compliant | Yes |
| Series | C8051F50x |
| Width | 6mm |
| RoHS | Compliant |
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