The HT48CA1 is an 8-bit high-performance RISC microcontroller specifically tailored for cost-sensitive applications, manufactured by Holtek. It combines a wide range of integrated features. The 28SOP indicates the package type (Small Outline Package).

Applications

• Remote controls
• Small household appliances
• Low-end consumer products
• Simple industrial controls
• Educational toys

Features

• Operating Voltage: 2.4V ~ 5.5V
• Operating Frequency: DC ~ 8MHz
• 2K x 14 Program Memory ROM
• 128 x 8 Data Memory RAM
• 20 bidirectional I/O lines
• Timer/Event Counter with overflow interrupt
• Watchdog Timer
• Low voltage reset function
• Sleep Mode for power saving

Benefits

• Cost-Effectiveness: Optimized design minimizes external components and reduces system cost.
• Integration: Includes a rich set of peripheral functions within a single chip.
• Flexibility: Provides a wide range of I/O options and programmable features.
• Reliability: The watchdog timer ensures system stability and prevents lock-ups.
• Power Saving: Sleep mode and low-voltage operation minimize power consumption for extended battery life.
• Performance: Executes instructions rapidly, offering high performance for simple control applications.

Additional Details

The HT48CA1 microcontroller uses a RISC (Reduced Instruction Set Computing) architecture. It operates across a voltage range of 2.4V to 5.5V, supporting a frequency up to 8MHz. It offers 2K x 14 of program memory and 128 x 8 of data memory. It has 20 bidirectional I/O lines for interfacing with various external devices. The integrated timer/counter can be used for event counting or generating time delays. The 28SOP package allows for compact placement on PCBs. The inclusion of sleep mode and a low voltage reset circuit allows for power efficient operation. The part number suffix, 28SOP, indicates the package type.