ST72104G, ST72215G, ST72216G, ST72254G 8-bit MCU with single voltage FLASH memory, ADC, 16-bit timers, SPI, I2C interfaces
This document is a preliminary datasheet for the ST72104G, ST72215G, ST72216G, and ST72254G devices, which are members of the ST7 microcontroller family. These 8-bit MCUs feature a single voltage Flash memory with in-situ programming capability, an enhanced instruction set, and various peripherals including 16-bit timers, SPI, and I2C interfaces (on specific models).
| Program memory | 4K or 8K bytes |
|---|---|
| RAM | 256 bytes |
| Operating Supply | 3.2V to 5.5V |
| CPU Frequency | Up to 8 MHz |
| Interrupt vectors | 7 plus TRAP and RESET |
| I/O lines | 22 multifunctional bidirectional |
| Timers | 3 Timers |
| ADC | 8-bit with 6 input channels |
The operating supply voltage ranges from 3.2V to 5.5V.
The CPU frequency is up to 8 MHz, with an oscillator capability up to 16 MHz.
Only the ST72254G devices include an I2C multimaster interface.