ST72104Gx, ST72215Gx, ST72216Gx, ST72254Gx are 8-bit MCUs with single voltage FLASH memory, ADC, 16-bit timers, SPI, I2C interfaces, manufactured by STMicroelectronics
This document is a technical datasheet for the ST72104Gx, ST72215Gx, ST72216Gx, and ST72254Gx family of 8-bit microcontrollers (MCUs). These devices are designed for mid-range applications and feature a common industry-standard 8-bit core with an enhanced instruction set. Key characteristics include single voltage Flash memory with in-situ programming (ISP) capability, 256 bytes of RAM, and support for multiple power-saving modes such as Halt, Wait, and Slow.
| Program memory | 4K or 8K bytes |
|---|---|
| RAM | 256 bytes |
| Operating Supply | 3.2V to 5.5 V |
| CPU Frequency | Up to 8 MHz |
| Operating Temperature | 0°C to 70°C / -10°C to +85°C |
| I/O Ports | 22 multifunctional bidirectional I/O lines |
| Timers | 3 Timers including Configurable watchdog timer |
| Communications Interfaces | SPI synchronous serial interface, I2C multimaster interface |
| Analog peripheral | 8-bit ADC with 6 input channels |
They are 8-bit MCUs with single voltage Flash memory, ADC, 16-bit timers, SPI, and I2C interfaces, featuring enhanced reset systems and low voltage supply supervisors.
Only the ST72254Gx devices include an I2C multimaster interface.
The devices support three power saving modes: Halt, Wait, and Slow.
The operating supply voltage ranges from 3.2V to 5.5 V.