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Product Detailed Parameters
- Description：IC MCU 8BIT 8KB FLASH 24QSOP
- Series：C8051F9xx
- Mfr：Silicon Labs
- Package：Tube
- Core Processor：CIP-51 8051
- Core Size：8-Bit
- Speed：25MHz
- Connectivity：SMBus (2-Wire/I2C), SPI, UART/USART
- Peripherals：Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
- Number of I/O：17
- Program Memory Size：8KB (8K x 8)
- Program Memory Type：FLASH
- EEPROM Size：-
- RAM Size：512 x 8
- Voltage - Supply (Vcc/Vdd)：1.8V ~ 3.6V
- Data Converters：A/D 10x12b
- Oscillator Type：Internal
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：24-QSOP
- Package / Case：24-SSOP (0.154", 3.90mm Width)
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Overview
The C8051F986-GU is an 8-bit microcontroller from the Silicon Labs C8051F9xx series, featuring a CIP-51 core. It integrates 8KB of in-system programmable flash memory and 512 bytes of RAM. The device operates at clock speeds up to 25MHz with an internal oscillator. It supports supply voltages between 1.8V and 3.6V and includes ten 12-bit ADC channels. Communication interfaces include SMBus/I2C, SPI, and UART/USART. The component is housed in a 24-QSOP package and functions within a temperature range of -40°C to 85°C.
Feature Summary
- Integrates ten 12-bit analog-to-digital converter channels for precision signal acquisition.
- Includes on-chip peripherals such as power-on reset, pulse-width modulation, watchdog timer, and temperature sensor.
- Supports standard serial communication protocols including SMBus, I2C, SPI, and UART.
Applications
- Battery-powered instrumentation requiring low active current consumption
- Industrial control systems utilizing serial communication buses
- Data acquisition applications involving multiple analog input channels
Procurement Notes
Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm that the specific part number matches the required package type and electrical specifications. Check for relevant product change notices regarding labeling or manufacturing updates. Ensure compliance with RoHS directives and export control classifications before procurement.
Selection Notes
Select this component when a high-resolution analog interface is required alongside standard digital communication capabilities. The integrated temperature sensor and brownout detection simplify system design by reducing external component count. Consider the 24-pin QSOP package constraints for board layout and thermal management requirements.
Part Context
This microcontroller belongs to the C8051F9xx family, which emphasizes ultra-low power operation. The series offers varying flash capacities while maintaining consistent peripheral sets and pinouts across variants. The C8051F986-GU specifically provides a balance of processing speed and analog conversion resolution suitable for embedded sensing tasks.
Replacement Considerations
Public confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with existing firmware and hardware interfaces if considering alternative devices from the same manufacturer series.
