SH69P26/K26 is an advanced CMOS 4-bit microcontroller. The device integrates SH6610D CPU core, RAM, ROM, two 8-bit timers/counters and a 16-bit timer/counter, comparator, 2-channel audio generator, oscillator clock circuit, watchdog timer, and low voltage reset function. SH69P26/K26 is suitable for microwave oven applications.
The SH69P26/K26 is a 4‑bit CMOS microcontroller that integrates a SH6610D CPU core, RAM, OTP and MASK ROM, two 8‑bit timers, a 16‑bit timer, comparators, dual‑channel audio generator, watchdog timer, low‑voltage reset and various I/O ports. It is intended for use in microwave oven applications and supports multiple low‑power modes (HALT and STOP).
The document provides a complete pin configuration and description, functional block diagram, CPU architecture, RAM organization, system register map, package dimensions, and a change‑record log. It serves as a reference for designers needing detailed electrical and functional information about the device. This manual is written in Chinese.
| OTP ROM | 6K × 16 bits |
|---|---|
| MASK ROM | 6K × 16 bits |
| RAM | 389 × 4 bits |
| Operating voltage (30 kHz‑4 MHz) | 2.4 V – 5.5 V |
| Operating voltage (4 MHz‑8 MHz) | 4.5 V – 5.5 V |
| Bidirectional I/O ports | 29 |
| Stack depth | 8 levels |
| Timers | Two 8‑bit auto‑reload timers |
| Oscillator options | Crystal 32.768 kHz‑8 MHz, Ceramic 400 kHz‑8 MHz, External RC 400 kHz‑8 MHz, Internal RC 2‑6 MHz, External clock 30 kHz‑8 MHz |
The device operates from 2.4 V to 5.5 V at 30 kHz‑4 MHz and from 4.5 V to 5.5 V at 4 MHz‑8 MHz.
The microcontroller provides 29 bidirectional I/O ports.