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Product Detailed Parameters
- Description：IC MCU 8BIT 8KB FLASH 48TQFP
- Series：C8051F2xx
- Mfr：Silicon Labs
- Package：Tape & Reel (TR),Cut Tape (CT)
- Core Processor：8051
- Core Size：8-Bit
- Speed：25MHz
- Connectivity：SPI, UART/USART
- Peripherals：Brown-out Detect/Reset, POR, WDT
- Number of I/O：32
- Program Memory Size：8KB (8K x 8)
- Program Memory Type：FLASH
- EEPROM Size：-
- RAM Size：1.25K x 8
- Voltage - Supply (Vcc/Vdd)：2.7V ~ 3.6V
- Data Converters：-
- Oscillator Type：Internal
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：48-TQFP (7x7)
- Package / Case：48-TQFP
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Overview
The C8051F236-GQR is an 8-bit microcontroller from the Silicon Labs C8051F2xx series, featuring a fully static 8051-compatible core operating at up to 25 MHz. It integrates 8 kB of in-system programmable Flash memory and 1.25 kB of RAM within a 48-pin TQFP package. The device includes hardware UART and SPI serial interfaces, along with 32 general-purpose I/O pins. It supports a supply voltage range of 2.7 V to 3.6 V and operates across a temperature range of -40 °C to +85 °C.
Feature Summary
- Integrates a fully static 8051-compatible microcontroller core for deterministic execution.
- Provides in-system programmable Flash memory for code storage and non-volatile data retention.
- Includes dedicated hardware UART and SPI serial communication interfaces.
Applications
- Embedded control systems requiring reliable 8-bit processing
- Industrial sensor interface modules
- General-purpose digital logic control applications
Procurement Notes
Verify the specific suffix against official documentation to confirm package type and temperature rating. Confirm current production status as availability may vary by region. Ensure compatibility with existing design constraints regarding voltage levels and pin configurations before procurement.
Selection Notes
Select this component for designs requiring a standard 8051 architecture with integrated Flash and basic serial peripherals. Consider the 48-pin form factor for board space constraints. Evaluate if the 25 MHz performance and 8 kB memory capacity meet application requirements compared to higher-density alternatives.
Part Context
This part belongs to the C8051F2xx family of mixed-signal system-on-chip microcontrollers. The series is characterized by high integration, combining a fast 8051 core with on-chip Flash, analog peripherals, and digital I/O. This specific model focuses on providing essential connectivity and processing capabilities in a compact surface-mount package.
Replacement Considerations
Consult manufacturer documentation for direct cross-references or updated series replacements. Verify pinout compatibility and software register mapping when substituting with other members of the C8051F2xx family or newer generations.
