Not Recommended for New Design

C8051F045 8051 8-bit Microcontroller, 25 MHz, 64 Flash(kB), CAN

The C8051F045 is a highly integrated mixed-signal 8-bit MCU featuring a powerful 8051 core with 25 MHz performance. This analog-intensive MCU features a 10-bit, 13-ch., 100 ksps ADC  and 3 comparators. The C8051F045 also offers 64 kB Flash, 4.25 kB RAM along with 5 x 16-bit Timers, additional communication interfaces and integrated CAN in a 10x10 mm, QFP64. With on-chip VDD monitor, Watchdog timer, a ±2 internal oscillator and high analog integration, the C8051F045 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

CAN: 1


I²C: 1

SPI: 1


Dig I/O Pins: 32

ADC: 10-bit, 13-ch., 100 ksps


Comparators: 3

PCA Channels: 6

Timers: 5

Package Type: QFP64

Package Size (mm): 10x10

Development Tools Type
C8051F040DK C8051 MCU Development Kit Development Kits

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