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See Technical Specifications

C8051F121-GQR

8-bit Microcontrollers - MCU

Manufacturer:

Silicon Laboratories
Mfr.Part #:

C8051F121-GQR
Datasheet:

C8051F121-GQR Datasheet (PDF)
Core:

8051
Program Memory Size:

128 kB
Data RAM Size:

8.25 kB
Maximum Clock Frequency:

100 MHz
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C8051F121-GQR General Description

The C8051F121-GQR is a microcontroller from Silicon Labs’ C8051F12x series. It features a high-performance 8051 core with up to 25 MIPS throughput at 25 MHz. The MCU has 16 kB of flash memory, 512 bytes of RAM, and 256 bytes of on-chip data RAM, providing plenty of storage for program and data. The C8051F121-GQR also includes an 8-bit Analog-to-Digital Converter (ADC) with a maximum sample rate of 100 ksps, making it suitable for applications that require precise analog measurements. It has two 16-bit timers/counters, as well as a programmable counter array with capture/compare functions. For communication interfaces, the C8051F121-GQR has a UART, two SMBus/I2C interfaces, and two SPI interfaces, enabling connectivity to a wide range of peripherals and external devices. Additionally, it has a 10-bit Digital-to-Analog Converter (DAC) for generating analog output signals.The MCU operates in the industrial temperature range of -40°C to 85°C and is available in a 48-pin QFN package. It is suitable for a variety of applications such as industrial control systems, motor control, data acquisition, and sensor interfacing.

Key Features

8-bit microcontroller
Up to 25 MHz internal clock frequency
768 bytes of RAM
4 KB of flash memory
12-channel 10-bit ADC
2 UARTs, 3 SMBus interfaces
On-chip power-on reset and VDD monitor

Application

Industrial automation
Home automation
Smart sensors
Embedded systems
Internet of Things (IoT) devices
Consumer electronics
Medical devices
Security systems
Automotive applications
Wireless communication devices

Specifications

Product Category	8-bit Microcontrollers - MCU	Core	8051
Program Memory Size	128 kB	Data RAM Size	8.25 kB
Maximum Clock Frequency	100 MHz	ADC Resolution	8 bit, 12 bit
Number of I/Os	32 I/O	Supply Voltage - Min	3 V
Supply Voltage - Max	3.6 V	Mounting Style	SMD/SMT
Data Bus Width	8 bit	Minimum Operating Temperature	- 40 C
Maximum Operating Temperature	+ 85 C	Series	C8051F121
Data ROM Size	64 kB	Data ROM Type	Flash
Height	1 mm	Interface Type	I2C, SMBus, SPI, UART
Length	10 mm	Moisture Sensitive	Yes
Number of ADC Channels	8 Channel	Number of Timers/Counters	5 Timer
Processor Series	C8051	Product	MCUs
Product Type	8-bit Microcontrollers - MCU	Program Memory Type	Flash
Factory Pack Quantity	500	Subcategory	Microcontrollers - MCU
Width	10 mm	Unit Weight	0.012718 oz