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Product Detailed Parameters
- Description：IC MCU 8BIT 32KB FLASH 76DQFN
- Series：C8051F9xx
- Mfr：Silicon Labs
- Package：Tray
- Core Processor：8051
- Core Size：8-Bit
- Speed：25MHz
- Connectivity：I2C, SPI, UART/USART
- Peripherals：DMA, LCD, POR, PWM, WDT
- Number of I/O：57
- Program Memory Size：32KB (32K x 8)
- Program Memory Type：FLASH
- EEPROM Size：-
- RAM Size：8.25K x 8
- Voltage - Supply (Vcc/Vdd)：1.8V ~ 3.8V
- Data Converters：A/D 16x10b/12b
- Oscillator Type：Internal
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：76-DQFN (6x6)
- Package / Case：76-VFQFN Dual Rows, Exposed Pad
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Overview
The C8051F966-B-GM is an 8-bit microcontroller from the Silicon Labs C8051F9xx series, utilizing a CIP-51 8051 core. It features 32 kB of Flash memory and 8 kB of RAM, operating at a maximum frequency of 25 MHz. The device is housed in an 80-pin TQFP package (12x12 mm) with a supply voltage range of 1.8 V to 3.6 V. Key peripherals include a DC-DC buck converter, LCD driver, AES encryption engine, and multiple communication interfaces.
Feature Summary
- Integrates a hardware-accelerated AES encryption engine for secure data processing.
- Includes an on-chip DC-DC buck converter to enhance power efficiency.
- Features a dedicated LCD driver interface for display applications.
- Supports standard digital communication protocols including SPI and UART.
Applications
- Secure embedded systems requiring data encryption
- Battery-powered devices utilizing low-power management
- Industrial control units with display interfaces
Procurement Notes
Verify the specific suffix against official documentation to confirm package type and temperature rating. Confirm current availability status as distribution channels may vary. Ensure compatibility with existing PCB footprints for the 80-TQFP form factor before procurement.
Selection Notes
Select this component when an 8-bit MCU requires integrated security features like AES alongside power management capabilities. It is suitable for designs needing an onboard LCD driver and DC-DC converter to reduce external component count. Compare pin counts and peripheral sets against other C8051F9xx variants to ensure adequate I/O resources.
Part Context
This part belongs to the C8051F9xx family of high-performance 8-bit MCUs. These devices are designed for applications demanding robust analog and digital integration within a compact footprint. The series emphasizes ease of development through comprehensive on-chip resources and standardized interfaces.
Replacement Considerations
Consult official substitution guides for compatible parts within the C8051F9xx series. Verify pinout and peripheral equivalence before replacing. No direct public substitute part numbers are confirmed in the provided source material.
