Not Recommended for New Design

C8051F021 8051 8-bit Microcontroller, 25 MHz, 64 Flash(kB)

The C8051F021 is a highly integrated mixed-signal 8-bit MCU featuring a powerful 8051 core with 25 MHz performance. This analog-intensive MCU features a 12-bit, 8-ch., 100 ksps ADC, a 12-bit, 2-ch. DAC and 2 comparators. The C8051F021 also offers 64 kB Flash, 4.25 kB RAM along with additional communication interfaces and 5 x 16-bit Timers in a 10x10 mm, QFP64. With on-chip VDD monitor, Watchdog timer, a ±20 internal oscillator and high analog integration, the C8051F021 MCU is a truly stand-alone System-on-chip solution making it ideal for applications such as portable medical equipment, weigh scales, test equipment and fiber optic systems among others.

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Specifications Summary

MCU Core: 8051

MHz: 25

Flash (kB): 64

RAM (kB): 4.25


I²C: 1

SPI: 1


Dig I/O Pins: 32

ADC: 12-bit, 8-ch., 100 ksps

DAC: 12-bit, 2-ch.

Comparators: 2

PCA Channels: 5

Timers: 5

Package Type: QFP64

Package Size (mm): 10x10

Development Tools Type
C8051F020DK C8051 MCU Development Kit Development Kits
ToolStick University Starter Kit Starter Kits
MCU University Starter Kit Starter Kits
ToolStick University Daughter Card Expansion Boards

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