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Product Detailed Parameters
- Description：IC MCU 8BIT 4KB 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：4KB (4K 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 10x10b
- 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 C8051F988-GU is an 8-bit microcontroller from the Silicon Labs C8051F9xx series, featuring a CIP-51 core operating at up to 25MHz. It integrates 4KB of flash memory and 512 bytes of RAM within a 24-QSOP package. The device supports a supply voltage range of 1.8V to 3.6V and includes an internal oscillator. Peripheral features include SMBus, SPI, UART/USART interfaces, and a 10x10-bit ADC. It operates within a temperature range of -40°C to 85°C.
Feature Summary
- Integrates a CIP-51 8051-compatible core with high-speed processing capabilities.
- Includes on-chip analog-to-digital conversion with multiple channels.
- Supports standard serial communication protocols for system connectivity.
- Features integrated power-on reset and watchdog timer for reliability.
Applications
- Industrial control systems requiring robust 8-bit processing
- Consumer electronics with low power supply requirements
- Sensor interface modules utilizing onboard ADC capabilities
Procurement Notes
Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm lot traceability and check for relevant certifications such as RoHS compliance. Review official errata sheets for any known silicon revisions or operational limitations prior to integration into final designs.
Selection Notes
Select this component when a compact 8-bit MCU with integrated analog peripherals is required. Ensure the 24-QSOP package fits the board layout constraints. Verify that the 4KB flash capacity meets application code storage needs and that the 1.8V to 3.6V supply range aligns with the system power architecture.
Part Context
This part belongs to the C8051F9xx family of mixed-signal microcontrollers. It shares architectural similarities with other members like the C8051F986 and C8051F989, differing primarily in flash memory size and specific peripheral configurations. The family targets cost-sensitive embedded applications requiring integrated analog functionality.
Replacement Considerations
Potential substitutes within the same package and pinout include the C8051F986-GU and C8051F989-GU. Verify compatibility regarding flash memory capacity and ADC resolution differences before substitution.
