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The HMS87C1204 is a microcontroller manufactured by HUNIX. Below are its key specifications, descriptions, and features:

Specifications:

• Manufacturer: HUNIX
• Core: 8-bit microcontroller
• Architecture: Based on 8051 core
• Operating Voltage: Typically 4.5V to 5.5V
• Clock Speed: Up to 12 MHz
• Program Memory (ROM): 4KB (OTP or Mask ROM variant)
• RAM: 128 bytes
• I/O Ports: Multiple programmable I/O pins
• Timers/Counters: Typically includes two 16-bit timers
• Interrupts: Supports multiple interrupt sources
• Serial Communication: UART (serial interface)
• ADC: Some variants may include an ADC (check datasheet for confirmation)
• Package Type: Likely available in DIP or SOP packages

Descriptions:

The HMS87C1204 is an 8-bit microcontroller based on the 8051 architecture, designed for embedded control applications. It features OTP (One-Time Programmable) or Mask ROM program memory, making it suitable for cost-sensitive and high-volume production.

Features:

• 8051-Compatible Core – Ensures compatibility with existing 8051-based code.
• Low Power Consumption – Optimized for power efficiency.
• On-Chip Oscillator – Supports external crystal or RC oscillator.
• Multiple I/O Pins – Configurable for digital input/output.
• Timer/Counter Modules – Useful for timing and event counting.
• UART Interface – Enables serial communication.
• OTP/Mask ROM Option – Provides flexibility in production.

For exact details, refer to the official HUNIX HMS87C1204 datasheet.