View All

Please refer to the English Version as our Official Version.Return

France(Français) Germany(Deutsch) Italy(Italia) Russian(русский) Poland(polski) Netherlands(Nederland) Spain(español) Turkey(Türk dili) Israel(עִבְרִית) Denmark(Dansk) Switzerland(Deutsch) United Kingdom(English)
Japan(日本語) Korea(한국의) Thailand(ภาษาไทย) Malaysia(Melayu) Singapore(Melayu) Philippines(Pilipino)
Africa, India and Middle East
North America
United States(English) Canada(English) Mexico(español)
HomeProductsIntegrated Circuits (ICs)Embedded - MicrocontrollersC8051F340-GQR
C8051F340-GQR Image
Image may be representation.
See specifications for product details.

C8051F340-GQR - Silicon Labs

Manufacturer Part Number
Energy Micro (Silicon Labs)
Allelco Part Number
ECAD Model
Parts Description
Detailed Description
Data sheet
C8051F340 - 49.pdf
C8051F340 - 49.pdf
RoHs Status
RoHS Compliant
In stock: 2743

Required fields are indicated by an asterisk (*)
Please send RFQ, we will respond immediately.



C8051F340-GQR Tech Specifications
Silicon Labs - C8051F340-GQR technical specifications, attributes, parameters and parts with similar specifications to Silicon Labs - C8051F340-GQR

Product Attribute Attribute Value  
Manufacturer Energy Micro (Silicon Labs)  
Voltage - Supply (Vcc/Vdd) 2.7V ~ 3.6V  
Supplier Device Package 48-TQFP (7x7)  
Speed 48MHz  
Series C8051F34x  
RAM Size 4.25K x 8  
Program Memory Type FLASH  
Program Memory Size 64KB (64K x 8)  
Peripherals Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT  
Package / Case 48-TQFP  
Package Tape & Reel (TR)  
Product Attribute Attribute Value  
Oscillator Type Internal  
Operating Temperature -40°C ~ 85°C (TA)  
Number of I/O 40  
Mounting Type Surface Mount  
EEPROM Size -  
Data Converters A/D 20x10b  
Core Size 8-Bit  
Core Processor 8051  
Connectivity EBI/EMI, SMBus (2-Wire/I²C), SPI, UART/USART, USB  
Base Product Number C8051F340  

Parts with Similar Specifications

The three parts on the right have similar specifications to Silicon Labs C8051F340-GQR

Product Attribute C8051F340-GQR C8051F344-GQ C8051F334-GMR C8051F336-GMR
Part Number C8051F340-GQR C8051F344-GQ C8051F334-GMR C8051F336-GMR
Manufacturer Silicon Labs Silicon Labs Silicon Labs Silicon Labs
Series C8051F34x C8051F34x C8051F33x C8051F33x
Data Converters A/D 20x10b A/D 20x10b A/D 16x10b A/D 16x10b; D/A 1x10b
Oscillator Type Internal Internal Internal Internal
Speed 48MHz 25MHz 25MHz 25MHz
Core Processor 8051 8051 8051 8051
RAM Size 4.25K x 8 4.25K x 8 768 x 8 768 x 8
Supplier Device Package 48-TQFP (7x7) 48-TQFP (7x7) 20-QFN (4x4) 20-QFN (4x4)
Package / Case 48-TQFP 48-TQFP 20-VFQFN Exposed Pad 20-VFQFN Exposed Pad
EEPROM Size - - - -
Core Size 8-Bit 8-Bit 8-Bit 8-Bit
Voltage - Supply (Vcc/Vdd) 2.7V ~ 3.6V 2.7V ~ 3.6V 2.7V ~ 3.6V 2.7V ~ 3.6V
Connectivity EBI/EMI, SMBus (2-Wire/I²C), SPI, UART/USART, USB EBI/EMI, SMBus (2-Wire/I²C), SPI, UART/USART, USB SMBus (2-Wire/I²C), SPI, UART/USART SMBus (2-Wire/I²C), SPI, UART/USART
Peripherals Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT POR, PWM, Temp Sensor, WDT POR, PWM, Temp Sensor, WDT
Program Memory Size 64KB (64K x 8) 64KB (64K x 8) 2KB (2K x 8) 16KB (16K x 8)
Operating Temperature -40°C ~ 85°C (TA) -40°C ~ 85°C (TA) -40°C ~ 85°C (TA) -40°C ~ 85°C (TA)
Base Product Number C8051F340 C8051F344 C8051F334 C8051F336
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
Package Tape & Reel (TR) Tray Tape & Reel (TR) Tape & Reel (TR)
Number of I/O 40 40 17 17

C8051F340-GQR Datasheet PDF

Download C8051F340-GQR pdf datasheets and Silicon Labs documentation for C8051F340-GQR - Silicon Labs.

C8051F340 - 49.pdf
PCN Packaging
Labeling Change 14/Dec/2021.pdf Mult Dev Label Chgs 20/Oct/2021.pdf
PCN Assembly/Origin
Site Change 18/Jan/2022.pdf
HTML Datasheet
C8051F340 - 49.pdf
PCN Design/Specification
Datasheet Update 07/Dec/2022.pdf


Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

  1. Use your express account for shipment if you have one.
  2. Use our account for the shipment. Refer to the table below for the approximate charges.
(Different time frame / countries / package size has different price.)

Delivery Method

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
  2. Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.

Payment Support

The payment method can be chosen from the methods shown below: Wire Transfer (T/T, Bank Transfer), Western Union, Credit card, PayPal.

Your Faithful Supply Chain Partner -

Contact us if you have any questions.

  1. Phone
    +00852 9146 4856

Certifications & Memberships

View More
C8051F340-GQR Image


Silicon Labs

Want a better price? Add to Cart and Submit RFQ now, we'll contact you immediately.

Shopping cart (0 Items)
It is empty.
Compare List (0 Items)
It is empty.

Your feedback matters! At Allelco, we value the user experience and strive to improve it constantly.
Please share your comments with us via our feedback form, and we'll respond promptly.
Thank you for choosing Allelco.

Drag or click to upload file
Upload File
types: .xls, .xlsx, .doc, .docx, .jpg, .png and .pdf.
Max file size: 10MB