8-Bit Microcontroller featuring a 100MHz 8051 core, 128KB FLASH memory, and 8.25KB RAM. This surface-mount TQFP-64 packaged IC supports I2C, SPI, UART, USART, EBI/EMI, and SMBus interfaces. It includes 32 programmable I/Os, 5 timers/counters, and integrated peripherals such as Brown-out Detect/Reset, POR, PWM, WDT, and a Temp Sensor. Operating voltage ranges from 3V to 3.6V, with an operating temperature range of -40°C to 85°C.
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Silicon Labs C8051F121-GQR technical specifications.
| Access Time | 100us |
| Package/Case | TQFP |
| Core Architecture | 8051 |
| Data Bus Width | 8b |
| Interface | I2C, SPI, UART, USART, EBI/EMI, SMBus, 2-Wire |
| Lead Free | Lead Free |
| Max Frequency | 100MHz |
| Max Operating Temperature | 85°C |
| Memory Size | 128KB |
| Memory Type | FLASH, |
| Min Operating Temperature | -40°C |
| Max Supply Voltage | 3.6V |
| Min Supply Voltage | 3V |
| Mount | Surface Mount |
| Number of Channels | 6 |
| Number of I/Os | 32 |
| Number of Programmable I/O | 32 |
| Number of Timers/Counters | 5 |
| Oscillator Type | Internal |
| Package Quantity | 500 |
| Packaging | Tape and Reel |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT, Temp Sensor |
| RAM Size | 8.25KB |
| RoHS Compliant | Yes |
| Series | C8051F12x |
| Watchdog Timer | Yes |
| RoHS | Compliant |
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