Part Details for C8051F021 by Silicon Laboratories Inc
Results Overview of C8051F021 by Silicon Laboratories Inc
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C8051F021 Information
C8051F021 by Silicon Laboratories Inc is a Microcontroller.
Microcontrollers are under the broader part category of Microcontrollers and Processors.
Microcontrollers (MCUs) are small, low-power integrated circuits used to control embedded systems. Microcontrollers are primarily used to automate and control devices. Read more about Microcontrollers and Processors on our Microcontrollers and Processors part category page.
Part Details for C8051F021
C8051F021 CAD Models
C8051F021 Part Data Attributes
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C8051F021
Silicon Laboratories Inc
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Datasheet
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C8051F021
Silicon Laboratories Inc
Microcontroller, 8-Bit, FLASH, 25MHz, CMOS, PQFP64, TQFP-64
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| Pbfree Code | No | |
| Rohs Code | No | |
| Part Life Cycle Code | Active | |
| Ihs Manufacturer | SILICON LABORATORIES INC | |
| Part Package Code | QFP | |
| Package Description | TQFP-64 | |
| Pin Count | 64 | |
| Reach Compliance Code | unknown | |
| HTS Code | 8542.31.00.01 | |
| Has ADC | YES | |
| Address Bus Width | 16 | |
| Bit Size | 8 | |
| Clock Frequency-Max | 19.2 MHz | |
| DAC Channels | YES | |
| DMA Channels | NO | |
| External Data Bus Width | 8 | |
| JESD-30 Code | S-PQFP-G64 | |
| Length | 10 mm | |
| Moisture Sensitivity Level | 3 | |
| Number of I/O Lines | 32 | |
| Number of Terminals | 64 | |
| Operating Temperature-Max | 85 °C | |
| Operating Temperature-Min | -40 °C | |
| PWM Channels | YES | |
| Package Body Material | PLASTIC/EPOXY | |
| Package Code | TFQFP | |
| Package Shape | SQUARE | |
| Package Style | FLATPACK, THIN PROFILE, FINE PITCH | |
| Qualification Status | Not Qualified | |
| ROM Programmability | FLASH | |
| Seated Height-Max | 1.2 mm | |
| Speed | 25 MHz | |
| Supply Voltage-Max | 3.6 V | |
| Supply Voltage-Min | 2.7 V | |
| Supply Voltage-Nom | 3 V | |
| Surface Mount | YES | |
| Technology | CMOS | |
| Temperature Grade | INDUSTRIAL | |
| Terminal Form | GULL WING | |
| Terminal Pitch | 0.5 mm | |
| Terminal Position | QUAD | |
| Width | 10 mm | |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER |
C8051F021 Frequently Asked Questions (FAQ)
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The internal oscillator can operate up to 25 MHz, but the maximum clock frequency depends on the specific configuration and the voltage supply. Typically, it can operate up to 24.5 MHz at 3.3V and 20 MHz at 2.7V.
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To configure the watchdog timer to reset the device, set the WDTCN (Watchdog Timer Control) register to enable the watchdog timer and set the WDTKE (Watchdog Timer Kick Enable) bit to 1. Then, set the WDT (Watchdog Timer) register to the desired timeout period. If the watchdog timer is not reset within the timeout period, the device will reset.
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No, the UART on the C8051F021 only supports asynchronous mode. It does not have a clock input or output, and therefore cannot be used in synchronous mode.
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To enable the BOD feature, set the BODEN (Brown-out Detection Enable) bit in the VDDMON (VDD Monitor) register to 1. Then, set the BODV (Brown-out Detection Voltage) register to the desired voltage threshold. If the supply voltage falls below the threshold, the device will reset.
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No, the ADC on the C8051F021 can only measure voltages between 0V and VCC. If you need to measure voltages above VCC, you will need to use an external voltage divider or other circuitry to scale the voltage down to within the ADC's range.