SN8P2722 is a 8-bit microcontroller from SONiX. It has 8-bit CPU, 128KB program memory, 16KB data memory, 24 I/O ports, 5 interrupt sources, watchdog timer, power-down reset circuit, high-speed RC oscillator, external high-speed clock and more.
This manual introduces the SN8P2722 8‑bit micro‑controller, describing its main functions such as memory size, timers, PWM, ADC, and power‑down features. It includes a product overview, system block diagram, and detailed pin‑out tables for the PDIP, SOP and SSOP packages.
Technical chapters cover the CPU architecture, memory map, addressing modes, stack operation, reset sources, clock sources, interrupt handling, I/O port configuration, timer modules, ADC operation, buzzer output, and electrical characteristics. Packaging dimensions and recommended development tools are also listed. This manual is written in Chinese.
| ROM size | 2K × 16‑bit |
|---|---|
| RAM size | 128 bytes |
| Timers | 2 × 8‑bit timers (T0, TC0) |
| PWM channels | 1 × 8‑bit PWM output |
| ADC channels | 5‑channel 12‑bit ADC |
The device contains 2 K × 16‑bit ROM.