This document describes the features and characteristics of ST72E331 and ST72T331 8-bit MCUs, including user program memory, user EEPROM, data RAM, reset options, low voltage detector, run and power saving modes, multifunctional bidirectional I/O lines, software or hardware watchdog, 16-bit timers, synchronous serial peripheral interface, asynchronous serial communications interface, and 8-bit ADC.
This document describes the ST72E331 and ST72T331 HCMOS Microcontroller Units (MCUs), which are members of the ST7 family. These devices feature an industry-standard 8-bit core with an enhanced instruction set and operate at a maximum oscillator frequency of 16 MHz.
| Program Memory | 8 to 16K bytes OTP/EPROM |
|---|---|
| EEPROM | 256 bytes |
| Data RAM | 384 to 512 bytes |
| Operating Supply Voltage | 3.0V to 5.5 V |
| CPU Frequency | 8MHz max (16MHz oscillator) |
| Temperature Range | -40°C to +125°C |
The device operates at a maximum CPU frequency of 8 MHz, or up to 16 MHz with an oscillator.
The device operates within a temperature range of -40°C to +125°C.