Not Recommended for New Designs: This part is Not Recommended for New Designs (NRND). For newer designs, we recommend you use:
Device/Module image

C8051F040

C8051F04x Analog-Intensive MCUs

The C8051F040 is a highly integrated mixed-signal 8-bit microcontroller (MCU) featuring a powerful 8051 core with 25 MHz performance. This analog-intensive MCU features a 12-bit, 13-ch., 100 ksps ADC  and 3 comparators. The C8051F040 also offers 64 kB Flash, 4.25 kB RAM along with 5 x 16-bit timers, additional communication interfaces and integrated CAN in a 14x14 mm, QFP100. With on-chip VDD monitor, Watchdog timer, a ±2 internal oscillator, and high analog integration, the C8051F040 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.

 

Key Specs

 
MCU Core
MHz
Flash (kB)
RAM (kB)
CAN
EMIF
I2C
SPI
UART
Dig I/O Pins
ADC
DAC
Comparators
PCA Channels
Timers (16-bit)
Package Type
Package Size (mm)
MCU Core
MHz
Flash (kB)
RAM (kB)
CAN
EMIF
I2C
SPI
UART
Dig I/O Pins
ADC
DAC
Comparators
PCA Channels
Timers (16-bit)
Package Type
Package Size (mm)
C8051F04x-BD.png

Quality Assurance, Environmental and Packaging Information

Silicon Labs targets a minimum of a 10-year lifecycle for all of its standard products and expects to produce the C8051F040 until at least December 2025.

The longevity date shown above is for the preferred revision of this part number, for a complete list of part number revisions, use the search button below.

As part of its ongoing commitment to supply continuity, Silicon Labs may provide pin-compatible and functionally equivalent replacement products if Silicon Labs determines, at its discretion, that supply chain adjustments, product improvements, market conditions, or similar business or technical issues make this necessary or advisable.

If for business, technical or other reasons beyond Silicon Labs’ reasonable control, Silicon Labs finds that it is necessary to discontinue a product, our policy is to issue an EOL notice that provides 6 months from notice to place final orders and 12 months from notice for final shipments. This policy complies with the JEDEC standard EIA/JESD48 that is commonly used in the semiconductor industry. We provide the required support for a product for its full life cycle.

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