Key facts
- Brand
- STMicroelectronics
- Model
- ST72314J
- Industry
- Industrial
- Documents
- 3
- Languages
- EN
- Last added
- 2012-08-09
Start here

STMicroelectronics ST72334J/N/ST72314J/N/ST72124J 8-Bit MCU Datasheet
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.
Read onlineSTMicroelectronics ST72314J specifications
| 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 |
Source: STMicroelectronics ST72334J/N/ST72314J/N/ST72124J 8-Bit MCU Datasheet
All STMicroelectronics ST72314J documents by type
Ratings, dimensions and ordering codes, for selection and design work.
- STMicroelectronics ST72334J/N/ST72314J/N/ST72124J 8-Bit MCU Datasheet 153 p
- ST ST72334J/N ST72314J/N ST72124J 8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY ADC 16-BIT TIMERS SPI SCI INTERFACES handbook(1) 126 p
- ST ST72334J/N ST72314J/N ST72124J 8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY ADC 16-BIT TIMERS SPI SCI INTERFACES handbook 153 p
Questions answered in these manuals
What power saving modes are available?
The devices support four power saving modes: Halt, Active-Halt, Wait, and Slow.
From: STMicroelectronics ST72334J/N/ST72314J/N/ST72124J 8-Bit MCU Datasheet
What power saving modes are available?
The devices support four power saving modes: WAIT, SLOW, ACTIVE-HALT, and HALT.
What is the operating voltage range for these microcontrollers?
The devices operate with a supply voltage between 3.0V and 5.5V.
What is the operating supply voltage range for these microcontrollers?
The devices operate with a supply voltage between 3.2V and 5.5V.
How many input channels does the ADC have, and on which models is it available?
The 8-bit ADC has 8 input channels but is only available on ST72334J/N devices.
