8-bit MCU, 64KB Flash, 16 I/O, 25MHz, QFN, I2C/SPI/UART Product overview: C8051F931-GMR from Silicon Labs is an Embedded Microcontroller MCU for industrial control, IoT devices, embedded automation, motor control, metering, and low-power board designs. It is useful for engineers and buyers comparing datasheets, replacement parts, BOM lines, package options, lifecycle status, and procurement availability. Key searchable attributes include 8-bit, 64KB, 25MHz, QFN. Search-friendly keywords include microcontroller, MCU, embedded control, ARM Cortex, Flash memory, low-power, 8-bit, 64KB, 25MHz, QFN. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 685-C8051F931-GMR can be used for catalog matching and distributor lookup.
Manufacturer: Silicon Labs
Win Source Part Number: 771125-C8051F931-GMR
Series: C8051F9xx
Packaging: Reel package
Operating Temperature Range: -40°C ~ 85°C (TA)
Core Processor: 8051
Speed: 25MHz
Package: 24-WFQFN Exposed Pad
Core Size: 8-Bit
Connectivity: SMBus (2-Wire/I2C), SPI, UART/USART
Peripherals: Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
Number of I/O: 16
Program Memory Size: 64KB (64K x 8)
Program Memory Type: FLASH
RAM Size: 4.25K x 8
Data Converters: A/D 15x10b
Oscillator Type: Internal
Supply Voltage: 0.9 V ~ 3.6 V
Part Status: Obsolete(EOL)
Family Name: C8051F931
Categories: Integrated Circuits (ICs)
Manufacturer Package: 24-QFN (4x4)
Alternative Parts (Cross-Reference): MC9S08SH8MFKR; MC9S08QG84CFKE; CY8C20324-12LQXIT; CY8C20336AN-24LQXI;
Introduction Date: February 14, 2008
ECCN: EAR99
Country of Origin: Malaysia, Taiwan
Estimated EOL Date: Obsolete / End of life
Halogen Free: Compliant
Popularity: Medium
Fake Threat In the Open Market: 68 pct.
Supply and Demand Status: Limited
8051 C8051F9xx Microcontroller IC 8-Bit 25MHz 64KB (64K x 8) FLASH 24-QFN (4x4)
IC MCU 8BIT 64KB FLASH 24QFN
IC MCU 8BIT 64KB FLASH 24QFN
8051 C8051F9xx Microcontroller IC 8-Bit 25MHz 64KB (64K x 8) FLASH 24-QFN (4x4)
| ERSAELECTRONICS PTE. LTD. | Win Source Electronics | DigiKey | Shenzhen Shengyu Electronics Technology Limited | Lingto Electronic Limited | Quarktwin Technology Ltd. | |
|---|---|---|---|---|---|---|
| Product Category | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) |
| Product Number | 685-C8051F931-GMR | 771125-C8051F931-GMR | C8051F931-GMR-ND | C8051F931-GMR | C8051F931-GMR | C8051F931-GMR |
| Product Name | 8-bit 64KB 25MHz QFN Embedded Microcontroller MCU | Embedded - Embedded - Microcontrollers - C8051F931-GMR | Microcontrollers | Integrated Circuits (ICs) - Embedded - Microcontrollers | Embedded - Microcontrollers | Microcontrollers |
| Data Bus | 8 Bit | 8 Bit | 8 Bit | 8 Bit | 8 Bit; 8-Bit | 8 Bit; 8-Bit |
| RAM | 4.25 KB | 64 KB | 4.25 KB | 4.25 KB | 4.25 KB | |
| Supply Voltage | 1.8 to 3.6 volts | 0.9000 to 3.6 volts | 0.9000 to 3.6 volts | 3.6 volts | ||
| Serial Interface | I2C, SPI, UART, SMBus, USART, 2-Wire | SPI; UART; USART | ||||
| Package Type | Other; QFN | Other; 24-WFQFN Exposed Pad | Other; 24-WFQFN Exposed Pad | Other; 24-WFQFN Exposed Pad |