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C8051F040 The C8051F040 is an 8-bit microcontroller from Silicon Labs featuring a 25MHz 8051 core, 64KB Flash memory, and 4.25KB RAM. It includes integrated analog peripherals such as 12-bit ADC, DACs, and CAN bus connectivity.
Mfr Part #:

C8051F040

Available from 3 distributors
Mfr Name: Silicon Labs
Silicon Labs
The C8051F040 is an 8-bit microcontroller from Silicon Labs featuring a 25MHz 8051 core, 64KB Flash memory, and 4.25KB RAM. It includes integrated analog peripherals such as 12-bit ADC, DACs, and CAN bus connectivity.
✓ Total Stock: 27,539 pcs

C8051F040 Available from 3 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Optech Co.,Limited ✓
Non-Authorised Inventory information
20,000 pcs
On Request
20000 pcs On Request 1 On Request On Request 09+ On Request On Request
Components Technology Group, Inc. ✓
Non-Authorised Inventory information
4,000 pcs
On Request
4000 pcs On Request 1 On Request On Request On Request On Request On Request
Xingangxin ✓
Non-Authorised Inventory information
3,539 pcs
On Request
3539 pcs On Request 1 On Request On Request On Request On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

C8051F040 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Connectivity
Core Processor
Core Size
Data Converters
Mounting Type
Number of I
Operating Temperature
Oscillator Type
Peripherals
Program Memory Size
Program Memory Type
RAM Size
Speed
Supplier Device Package
Voltage
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C8051F040 Description

Short technical summary and product information.

The C8051F040 is a highly integrated mixed-signal 8-bit microcontroller from Silicon Labs. It is based on the 8051 core running at up to 25 MHz, providing 25 MIPS throughput. The device features 64 kB of in-system programmable Flash memory and 4.25 kB of internal data RAM.

 

This MCU includes a rich set of analog peripherals: a 12-bit SAR ADC with 13 external inputs and 100 ksps sampling rate, an 8-bit SAR ADC, two 12-bit DACs, three analog comparators, a temperature sensor, and a voltage reference. Digital peripherals include CAN 2.0B, SMBus/I²C, SPI, UART/USART, and an external memory interface. It also has a brown-out detect, power-on reset, PWM, and watchdog timer.

 

With 64 general-purpose I/O pins (5V tolerant) and an internal oscillator, the C8051F040 can operate as a standalone system-on-chip. It is suitable for applications such as portable medical equipment, weigh scales, test equipment, and fiber optic systems.

 

The device is available in a 100-pin TQFP package (14x14 mm) with surface mount mounting. Operating temperature range is -40°C to 85°C, and supply voltage range is 2.7V to 3.6V.

C8051F040 Quick Information

Product Type: Microcontroller
Series: C8051F04x
Canonical Name: C8051F040
Subcategory: Analog-Intensive MCUs

C8051F040 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

C8051F040 Features

  • 25 MHz 8051 pipelined core.
  • 64 kB in-system programmable Flash.
  • Integrated 12-bit ADC and DACs.
  • CAN 2.0B and multiple serial interfaces.
  • 100-pin TQFP surface mount package.

C8051F040 Applications

  • Used in portable medical equipment.
  • Ideal for weigh scale applications.
  • Suitable for test equipment designs.
  • Applied in fiber optic system designs.

C8051F040 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the C8051F040?

2.7V to 3.6V.

What package is the C8051F040 available in?

100-TQFP (14x14 mm).

What is the operating temperature range?

-40°C to 85°C.

Is the C8051F040 RoHS compliant?

RoHS3 Compliant (unverified).

What is the maximum clock speed of the C8051F040?

25 MHz.

How much Flash memory does the C8051F040 have?

64 kB.

What analog peripherals are integrated in the C8051F040?

12-bit ADC (100 ksps, 13 channels), 8-bit ADC, two 12-bit DACs, three comparators, temperature sensor, and voltage reference.

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