Manufacturer Part #: C8051F121-GQR
Manufacturer: Silicon Labs
Description:  8-bit Microcontrollers - MCU 100MIPS 128KB 12ADC

Core: 8051 
Processor Series: C8051 
Data Bus Width: 8 bit 
Maximum Clock Frequency: 100 MHz 
Program Memory Size: 128 KB 
Data RAM Size: 8.25 KB 
On-Chip ADC: Yes 
Operating Supply Voltage: 2.7 V to 3.6 V 
Package / Case: TQFP-64 
Mounting Style: SMD/SMT 
A/D Bit Size: 12 bit 
A/D Channels Available: 8 
Data ROM Size: 64 KB 
Interface Type: I2C, SMBus, SPI, UART 
Maximum Operating Temperature: + 85 C 
Minimum Operating Temperature: - 40 C 
Number of Programmable I/Os: 32 
Number of Timers: 5 
On-Chip DAC: Yes 
Packaging: Reel 
Program Memory Type: Flash 
Factory Pack Quantity: 500 
Supply Voltage - Max: 3.6 V 
Supply Voltage - Min: 3 V 

Payment

We accept escrow, bank transfer
Please submit payment within 3 days when you won items.
If you have any problem about payment, please feel free to contact with us.
 

Shipping & Handling 

We will arrange your order within 48 hours when payment cleared.
We normally ship your parcel by China Post Airmail, DHL, Fedex, EMS

Return & Policy

We welcome any previous questions about the product and our service.
Any parcel will be returned within 7 days from the days you got it without any reason with original parcel unopened and destroied. 
All fees caused by returned parcel will be responsible by buyer.
We are not responsible for any custom/duty fees caused by the purchase, please feel free to contact with your local custom for the fees befor buy it.
 

Warranty

If no special state, all products with 30 days warranty.
 

Feedback

Customer's satisfy always comes first.
Thanks million for any positive feedback