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Product Detailed Parameters
- Description：IC MCU 16BIT 4KB ROM 176LQFP
- Series：-
- Mfr：Nuvoton Technology Corporation
- Package：Tray
- Core Processor：CR16B
- Core Size：16-Bit
- Speed：20MHz
- Connectivity：Host Interface, I2C, PS/2, SMBus, UART/USART
- Peripherals：PWM, WDT
- Number of I/O：88
- Program Memory Size：4KB (4K x 8)
- Program Memory Type：ROM
- EEPROM Size：-
- RAM Size：2K x 8
- Voltage - Supply (Vcc/Vdd)：-
- Data Converters：A/D 5x8b; D/A 4x8b
- Oscillator Type：Internal
- Operating Temperature：-
- Mounting Type：Surface Mount
- Supplier Device Package：176-LQFP (24x24)
- Package / Case：176-LQFP
- Grade：-
- Qualification：-
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Overview
The 87541VDG/K2 is a microcontroller unit (MCU) from Nuvoton Technology Corporation, built on the CR16B core architecture. It features a 16-bit processing capability with a maximum operating speed of 20MHz. The device includes 4KB of ROM memory for program storage. Connectivity options include I2C, PS/2, SMBus, and UART/USART interfaces. Peripherals integrated into the chip comprise PWM outputs and a Watchdog Timer (WDT). The component is housed in a 176-LQFP package measuring 24x24 mm.
Feature Summary
- Integrates CR16B 16-bit processor core for efficient data handling
- Supports multiple communication protocols including I2C, SMBus, PS/2, and UART
- Includes hardware peripherals such as PWM and Watchdog Timer
Applications
- Systems requiring PS/2 interface connectivity
- Industrial control applications utilizing SMBus or I2C communication
- Embedded devices needing UART serial communication
- Applications requiring hardware watchdog functionality for system stability
Procurement Notes
Verify the exact part number suffix against official Nuvoton documentation to ensure correct variant selection. Confirm package type and pinout compatibility with your PCB design before ordering. Request manufacturer datasheets to validate electrical specifications and thermal requirements for your specific application environment.
Selection Notes
Select this component when a 16-bit architecture with moderate speed is required alongside diverse host interface support. Consider the 176-LQFP package size constraints during layout planning. Evaluate if the integrated WDT and PWM capabilities meet system reliability and control needs without external components.
Part Context
This MCU belongs to Nuvoton's lineup of general-purpose microcontrollers. The CR16B core provides a balance between processing power and power efficiency. The inclusion of legacy interfaces like PS/2 alongside modern buses like SMBus allows for versatile integration in mixed-protocol environments.
FAQ
What is the maximum clock speed of the 87541VDG/K2?
The maximum operating speed is 20MHz.
Which communication interfaces are supported by this MCU?
It supports I2C, PS/2, SMBus, and UART/USART interfaces.
