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

C8051F974-A-GM

C8051F97x Low-Power Capacitive Sense MCUs

The C8051F974-A-GM is an ultra-low power capacitive sensing microcontroller (MCU) featuring a powerful 8051 core with 25 MHz performance.  This MCU provides the lowest power and highest sensitivity touch sensing solution for capacitive buttons, sliders, wheels and capacitive proximity sensing. With sub micro amp (<1 uA) wake on touch average current consumption, the C8051F974-A-GM achieves unparalleled touch sensitivity, speed and ultra-low power in a 5x5 mm, QFN32. We also offer demos, examples and Capacitive Sense Profiler within Simplicity Studio to accelerate development of capacitive touch sensing solutions.

 

Key Specs

 
MCU Core
8051
MHz
25
Flash (kB)
16
RAM (kB)
4
HS I2C Slave
1
I2C
1
SPI
1
UART
1
Dig I/O Pins
28
ADC
10-bit, 28-ch., 300 ksps
DAC
Comparators
0
PCA Channels
3
Timers (16-bit)
4
Package Type
QFN32
Package Size (mm)
5x5
MCU Core
8051
MHz
25
Flash (kB)
16
RAM (kB)
4
HS I2C Slave
1
I2C
1
SPI
1
UART
1
Dig I/O Pins
28
ADC
10-bit, 28-ch., 300 ksps
DAC
Comparators
0
PCA Channels
3
Timers (16-bit)
4
Package Type
QFN32
Package Size (mm)
5x5
C8051F97x-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 C8051F974-A-GM until at least June 2024.

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.

Find and download additional quality, environmental, device composition, test results, shipping and supply chain information for Silicon Labs devices.

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