HT48R002

The HT48R002 is an 8-bit microcontroller from Holtek’s HT48R series, designed for cost-sensitive embedded applications. It features:
- 8-bit RISC architecture with a 4MHz operating frequency.
- 1KB OTP (One-Time Programmable) ROM for code storage.
- 64 bytes of RAM for data handling.
- 13 I/O pins (multiplexed with other functions).
- 8-level stack, 1x 8-bit timer, and watchdog timer.
- Low power consumption, suitable for battery-powered devices.
Commonly used in appliance control, consumer electronics, and simple automation, the HT48R002 is programmed in assembly or C via Holtek’s development tools. Its compact design and OTP memory make it ideal for high-volume, fixed-function products.

The HT48R002 is an 8-bit microcontroller from Holtek. Equivalent alternatives include:
- HT48R001 (similar specs, fewer I/O pins)
- HT48R003 (higher memory, more I/O)
- PIC12F508 (Microchip, similar 8-bit MCU)
- EM78P153 (Elan, pin-compatible alternative)
- Samsung S3F84K4 (8-bit, comparable features)
Check pinout, memory, and peripherals for compatibility. Always verify datasheets before substitution.

The HT48R002 is an 8-bit microcontroller from Holtek with the following key features:
- Core: 8-bit RISC architecture
- Speed: Up to 8MHz operating frequency
- Memory: 2KB ROM, 64B RAM
- I/O: 13 bidirectional I/O pins
- Timers: 1x 8-bit timer
- ADC: None
- PWM: None
- Interrupts: Supports external and timer interrupts
- Power: Low-voltage reset (LVR) & low-power modes
- Package: 16-pin DIP/SOP
- Voltage: 2.2V–5.5V operation
Ideal for simple control applications due to its compact size and low cost.

The HT48R002 is an 8-bit microcontroller from Holtek with 18 pins. Key functions include:
- I/O Ports: 13 general-purpose I/O pins (PB0–PB7, PC0–PC4).
- Clock: Supports external crystal or RC oscillator.
- Memory: 1K×14 ROM, 64×8 RAM.
- Timers: 8-bit timer with overflow interrupt.
- Interrupts: External (INT) and timer-based.
- Reset: Low-voltage reset (LVR) option.
- Package: Typically 18-pin DIP/SOP.
It’s designed for simple control applications like appliances and toys.

The HT48R002 is manufactured by Holtek Semiconductor Inc., a Taiwan-based company specializing in microcontroller units (MCUs), integrated circuits (ICs), and semiconductor solutions. Founded in 1983, Holtek focuses on consumer electronics, industrial control, and IoT applications, offering cost-effective, low-power MCUs. The HT48R002 is an 8-bit OTP (One-Time Programmable) MCU designed for simple control tasks. Holtek is known for its broad MCU portfolio catering to embedded systems.

The HT48R002 is an 8-bit microcontroller from Holtek, commonly used in:
1. Home Appliances – Simple control systems like fans, rice cookers.
2. Consumer Electronics – Toys, remote controls, LED displays.
3. Industrial Control – Basic automation, sensors, timers.
4. Automotive Accessories – Car alarms, lighting controls.
5. IoT Devices – Low-complexity smart gadgets.
It features low power consumption, cost-effectiveness, and integrated peripherals, making it suitable for embedded applications requiring minimal processing.

The HT48R002 microcontroller from Holtek is available in 8-pin SOP (Small Outline Package) and DIP (Dual In-line Package) variants. These compact packages are suitable for space-constrained applications, offering ease of integration in PCB designs. The SOP version is surface-mountable, while the DIP is through-hole, catering to different assembly preferences. Both support the chip's basic I/O and control functions efficiently.