ChipApex | Global Electronic Components Supplier
SEARCH
Search Product
Search Post
— IC芯片 | 连接器 | 传感器 | 被动器件 —
Consult the customer manager about the wholesale price.
consultation hotline：86-132-6715-2157
email：[email protected]
Contact the product manager for consultation. One-stop consultation is available.
Do you want a lower wholesale price? Please send us your inquiry and we will reply immediately.
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, Cap Sense, POR, PWM, 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：-
- 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)
- Grade：-
- Qualification：-
Download product information
Overview
The C8051F997-C-GU is an 8-bit microcontroller from Silicon Labs, featuring a CIP-51 core operating at up to 25 MHz. It integrates 8 kB of Flash program memory and 512 bytes of RAM. The device includes 14-channel CapSense capability and supports interfaces such as Enhanced SPI, Enhanced UART, I2C, and SMBus. It operates within a supply voltage range of 1.8 V to 3.6 V and is housed in a QSOP-24 package.
Feature Summary
- Integrates capacitive sensing capabilities for touch interface applications
- Supports multiple communication protocols including SPI, UART, I2C, and SMBus
- Features ultra-low power consumption modes with nanosecond wakeup times
Applications
- Battery-powered consumer electronics requiring low power operation
- Touch-sensitive control panels and user interfaces
- Industrial monitoring systems with serial communication needs
Procurement Notes
Verify the specific suffix 'GU' corresponds to the tube packaging format when ordering. Confirm the commercial temperature grade (-40°C to +85°C) aligns with your environmental requirements. Ensure compatibility with existing 8051 toolchains and development environments. Check for moisture sensitivity levels if reflow soldering is planned.
Selection Notes
Select this component for designs prioritizing integrated capacitive sensing alongside standard 8-bit processing. Compare against other C8051F9xx variants if higher memory or different pin counts are needed. Consider the QSOP-24 package constraints for PCB layout. Evaluate power budgets against the specified active and sleep mode currents.
Part Context
This part belongs to the C8051F9xx family of ultra-low power microcontrollers. These devices combine high performance with energy efficiency, targeting portable applications. The family shares architectural similarities but varies in memory size and peripheral sets. This specific model offers a balance of moderate memory and extensive connectivity options.
Replacement Considerations
Direct substitutes within the same package and pinout include other C8051F99x variants with adjusted memory sizes. Cross-family migration to EFM8 series may require software adaptation due to architectural differences. Verify pin compatibility before replacing with similar offerings from other manufacturers.
