This document describes the features and characteristics of HT48RA0-3/ HT48CA0-3 remote control eight-bit microcontrollers, including working voltage, number of input/output ports, instruction cycle, memory capacity, etc.
The HT48RA0-3 and HT48CA0-3 are 8‑bit high‑performance microcontrollers with dual‑direction I/O, low power consumption, built‑in timer, watchdog and power‑on‑reset functions. They are supplied in a 20‑pin SSOP package and are suitable for remote‑control and other embedded applications.
The manual provides detailed information on pin descriptions, electrical characteristics, instruction set, programming procedures, memory organization, stack operation, and special function registers. It also includes package dimensions and contact information for Holtek worldwide.
| Operating voltage (Vpp) | 2.0 V – 3.6 V |
|---|---|
| Maximum supply current | 100 mA |
| Package type | 20‑pin SSOP |
| Program memory size | 1 K × 14 bits |
| Data RAM size | 32 × 8 bits |
The device operates with a supply voltage (Vpp) between 2.0 V and 3.6 V.
The maximum supply current is specified as 100 mA.
The microcontroller is provided in a 20‑pin SSOP package.