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The HT48R002 is an 8-bit microcontroller manufactured by HOLTEK Semiconductor. Below are its key specifications, descriptions, and features:

Specifications:

• Architecture: 8-bit RISC
• Operating Voltage: 2.2V – 5.5V
• Clock Frequency: Up to 8MHz (internal RC oscillator)
• Program Memory (ROM): 1K x 14 bits (OTP)
• RAM: 64 bytes
• I/O Pins: 13 bidirectional I/O pins
• Timers:
• 8-bit timer with overflow interrupt
• Watchdog Timer (WDT)
• Interrupt Sources: External, timer, and WDT interrupts
• Power-Down Mode: Supported with wake-up via external interrupt
• ADC: Not included
• Package Options:
• 16-pin NSOP
• 16-pin DIP

Descriptions:

• The HT48R002 is a cost-effective, low-power microcontroller designed for simple control applications.
• It features a RISC architecture with 55 instructions, most executed in one or two cycles.
• Includes built-in RC oscillator, reducing external component requirements.
• Suitable for battery-powered devices due to low power consumption.

Features:

• Low power consumption (standby current as low as 1µA in power-down mode).
• One-time programmable (OTP) ROM for code storage.
• 13 I/O pins with programmable pull-up resistors.
• Built-in watchdog timer for system reliability.
• Wide operating voltage range (2.2V – 5.5V).
• Industrial-grade temperature range (-40°C to +85°C).

This microcontroller is commonly used in appliance control, consumer electronics, and simple embedded systems.

Would you like additional details on any specific aspect?