This document describes the features of the ST72334J/N, ST72314J/N, and ST72124J 8-bit microcontrollers. These microcontrollers have single voltage flash memory, ADC, 16-bit timers, SPI, and SCI interfaces. They also have various memory and clock management features, as well as interrupt management, I/O ports, timers, communication interfaces, and analog peripherals.
This document is a technical datasheet for the ST72334J/N, ST72314J/N, and ST72124J microcontrollers from STMicroelectronics. These devices are 8-bit MCUs with single voltage Flash memory, ADC, 16-bit timers, and SPI/SCI interfaces. They are designed for mid-range applications and feature enhanced reset systems, configurable watchdog timers, and various power-saving modes including Halt, Active-Halt, Wait, and Slow modes.
| Program memory | 8K or 16K bytes |
|---|---|
| Data memory (EEPROM) | 256 bytes |
| RAM | 384 or 512 bytes |
| Operating Supply | 3.2V to 5.5V |
| CPU Frequency | Up to 8 MHz |
| Operating Temperature | -40°C to +85°C |
| Timers | Two 16-bit timers |
| Communications Interfaces | SPI and SCI |
The devices support four power saving modes: Halt, Active-Halt, Wait, and Slow.