P89C60X2/61X2 devices adopt a high-performance static 80C51 design, manufactured using advanced CMOS process and include non-volatile Flash program memory. Can be programmed by parallel programming or in-system programming (ISP). Support 6 clock and 12 clock modes. P89C60X2 and P89C61X2 include 512 bytes and 1024 bytes of RAM, 32 I/O ports, 3 16-bit timers/counters, 6 interrupt sources-4 interrupt priorities-nested interrupt structures, 1 enhanced UART, watchdog timer and on-chip oscillator and clock circuits. In addition, the static design of the device provides a very wide frequency range, even as low as zero. It has two software-selectable power-saving modes, idle mode and power-down mode. The idle mode freezes the operation of the CPU but allows RAM, timers, serial ports and interrupt systems to continue to maintain their functionality. The power-down mode keeps the RAM contents, but freezes the oscillator, thus stopping all other on-chip functions. Since it is a static design, the clock stops without losing user data. Operation can be restored from the clock stop point.
The P89C60X2 and P89C61X2 microcontrollers are built on a high‑performance 80C51 core with on‑chip flash, RAM, UART, timers and multiple interrupt sources. They support both 6‑clock and 12‑clock operating modes and offer a range of package options such as PLCC44 and LOP44.
The document details the pin assignments, special function registers, flash programming methods (ISP), and electrical characteristics, helping designers select the appropriate device for their application. This manual is written in Chinese.
| Flash memory size | 64 KB |
|---|---|
| RAM size (P89C60X2) | 512 B |
| RAM size (P89C61X2) | 1024 B |
| I/O ports | 32 |
| Timers/Counters | 3 × 16‑bit |
| UART type | Full‑duplex enhanced UART |
| Operating frequency (6‑clock mode) | 0 – 20 MHz |
| Operating frequency (12‑clock mode) | 0 – 33 MHz |
Both devices contain 64 KB of on‑chip flash memory.
The microcontrollers offer 32 general‑purpose I/O pins.
They run at 0‑20 MHz in 6‑clock mode and 0‑33 MHz in 12‑clock mode.