ePS6000 RISC II Series Microcontroller Product Specification
The ePS6000 is an 8‑bit RISC microcontroller with an integrated 11×60 segment LCD driver, multiple timers, watchdog timer, and up to 64 key inputs. It targets low‑power portable devices such as scientific calculators and offers flexible clock sources ranging from 32 kHz internal RC to 500 kHz external oscillators.
The document provides a complete description of the pin assignments, internal registers, memory map, electrical characteristics, and application circuit examples, allowing designers to integrate the MCU into their hardware designs with confidence.
| Operating voltage range | 1.2 V ~ 3.6 V |
|---|---|
| Program ROM size | Maximum 16 K words |
| Un‑banked RAM | 128 bytes |
| Banked RAM | 16 × 128 bytes |
| Core architecture | 8‑bit RISC MCU |
| General I/O pins | 24 pins (PORTA, PORTB, PORTC) |
| LCD driver | 11×60 segment LCD driver (embedded) |
| Timers | 1 × 16‑bit timer, 2 × 8‑bit timers |
| Watchdog timer | 8‑bit watchdog timer |
| Key I/O capacity | Up to 64 keys |
The ePS6000 operates from 1.2 V to 3.6 V.
It supports up to 16 K words of program ROM.
The device offers 24 general I/O pins across PORTA, PORTB, and PORTC.
An embedded 11×60 segment LCD driver is included.