This document describes the features and characteristics of the ST7LITE3 8-bit MCU, released in May 2007. It includes built-in flash, data EEPROM, ADC, timers, SPI, and LINSCI™ features.
The ST7LITE3 is an 8‑bit microcontroller from STMicroelectronics featuring a single‑voltage Flash memory, EEPROM, ADC, timers, SPI and LINSCI interfaces. The manual provides detailed information on the device architecture, pin description, register map, and programming modes.
Key sections cover power‑up and reset management, interrupt handling, power‑saving modes, on‑chip peripherals such as timers and ADC, electrical characteristics, package options, and known limitations.
| Program memory | 8 KB |
|---|---|
| RAM | 384 bytes |
| Data EEPROM | 256 bytes |
| ADC resolution | 10‑bit |
| ADC input channels | 7 |
| Operating supply voltage | 2.7 V to 5.5 V |
| Maximum clock frequency | 8 MHz (internal) |
| Operating temperature range | -40 °C to +125 °C |
| I/O lines | up to 15 multifunctional bidirectional I/O lines |
| Package types | DIP20, QFN20 |
The ST7LITE3 provides 8 KB of single‑voltage flash program memory.
The device offers up to 15 multifunctional bidirectional I/O lines.
The on‑chip ADC has a 10‑bit resolution.
It operates from 2.7 V to 5.5 V.