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| PartNumber | C8051F591-IMR | C8051F591-IM | C8051F591IM |
| Description | 8-bit Microcontrollers - MCU 50 MIPS, 96 kB, 8 kB, SPI, 2xUART, I2C, QFN40 | 8-bit Microcontrollers - MCU MCU 8051 50 MHz 96 kB 5 V 8-bit MCU | Microcontroller, 8-Bit, FLASH, 8051 CPU, 50MHz, CMOS, PQCC40 |
| Manufacturer | Silicon Laboratories | Silicon Laboratories | - |
| Product Category | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | - |
| RoHS | Y | Y | - |
| Series | C8051F591 | C8051F591 | - |
| Core | 8051 | 8051 | - |
| Data Bus Width | 8 bit | 8 bit | - |
| Operating Supply Voltage | 1.8 V to 5.25 V | 1.8 V to 5.25 V | - |
| Packaging | Reel | Tube | - |
| Brand | Silicon Labs | Silicon Labs | - |
| Moisture Sensitive | Yes | Yes | - |
| Processor Series | C8051 | C8051 | - |
| Product Type | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | - |
| Factory Pack Quantity | 1500 | 50 | - |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | - |
| Mounting Style | - | SMD/SMT | - |
| Package / Case | - | QFN-40 | - |
| Maximum Clock Frequency | - | 50 MHz | - |
| Program Memory Size | - | 96 kB | - |
| Data RAM Size | - | 8.25 kB | - |
| ADC Resolution | - | 12 bit | - |
| Number of I/Os | - | 33 I/O | - |
| Minimum Operating Temperature | - | - 40 C | - |
| Maximum Operating Temperature | - | + 125 C | - |
| Qualification | - | AEC-Q100 | - |
| Height | - | 0.88 mm | - |
| Length | - | 6 mm | - |
| Program Memory Type | - | Flash | - |
| Width | - | 6 mm | - |
| Interface Type | - | I2C, SPI, UART | - |
| Number of ADC Channels | - | 32 | - |
| Number of Timers/Counters | - | 6 Timer | - |
| Supply Voltage Max | - | 5.25 V | - |
| Supply Voltage Min | - | 1.8 V | - |
| Unit Weight | - | 0.004137 oz | - |