| PartNumber | C8051F044-GQ | C8051F044-GQR | C8051F044 |
| Description | 8-bit Microcontrollers - MCU 8051 25 MHz 64 kB CAN 8-bit MCU | 8-bit Microcontrollers - MCU 8051 25 MHz 64 kB CAN 8-bit MCU | 8-bit Microcontrollers - MCU |
| Manufacturer | Silicon Laboratories | Silicon Laboratories | Silicon Laboratories |
| Product Category | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
| RoHS | Y | Y | N |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | TQFP-100 | TQFP-100 | TQFP-100 |
| Series | C8051F044 | C8051F044 | C8051 |
| Core | 8051 | 8051 | 8051 |
| Data Bus Width | 8 bit | 8 bit | 8 bit |
| Maximum Clock Frequency | 25 MHz | 25 MHz | 25 MHz |
| Program Memory Size | 64 kB | 64 kB | 64 kB |
| Data RAM Size | 4.25 kB | 4.25 kB | 4.25 kB |
| ADC Resolution | 10 bit | 10 bit | 10 bit |
| Number of I/Os | 64 I/O | 64 I/O | 64 I/O |
| Operating Supply Voltage | 2.7 V to 3.6 V | 2.7 V to 3.6 V | 2.7 V to 3.6 V |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
| Packaging | Tray | Reel | Tray |
| Height | 1 mm | 1 mm | 1 mm |
| Length | 14 mm | 14 mm | 14 mm |
| Product | MCU | MCU | MCU |
| Program Memory Type | Flash | Flash | Flash |
| Width | 14 mm | 14 mm | 14 mm |
| Brand | Silicon Labs | Silicon Labs | Silicon Labs |
| Data ROM Size | 64 kB | 64 kB | 64 kB |
| Data ROM Type | Flash | Flash | Flash |
| Interface Type | CAN, SMBus, SPI, UART | CAN, SMBus, SPI, UART | CAN, SMBus, SPI, UART |
| Moisture Sensitive | Yes | Yes | Yes |
| Number of ADC Channels | 13 | 13 | 13 |
| Number of Timers/Counters | 5 Timer | 5 Timer | 16 Timer |
| Processor Series | C8051 | C8051 | C8051 |
| Product Type | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
| Factory Pack Quantity | 90 | 250 | 90 |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | Microcontrollers - MCU |
| Supply Voltage Max | 3.6 V | 3.6 V | 3.6 V |
| Supply Voltage Min | 2.7 V | 2.7 V | 2.7 V |
| Unit Weight | 0.022507 oz | 0.022507 oz | 0.023173 oz |