ST72321M6 ST72321M9 80-pin 8-bit MCU with 32 to 60 Kbytes Flash, ADC, five timers, SPI, SCI, I2C interface
This document is a technical datasheet for the ST72321M6 and ST72321M9, which are 80-pin 8-bit microcontrollers (MCUs). These devices feature 32 to 60 Kbytes of High Density Flash (HDFlash) memory, 1 Kbyte to 2 Kbytes of RAM, and support various communication interfaces including SPI, SCI, and I2C. The datasheet details the device architecture, peripheral features such as timers and ADCs, and electrical characteristics.
| Flash Memory | 32 Kbytes to 60 Kbytes |
|---|---|
| RAM | 1 Kbyte to 2 Kbytes |
| Operating Voltage | 3.8V to 5.5 V |
| Temperature Range | -40 °C to +85 °C |
| Package | LQFP80 14x14 |
| ADC Resolution | 10-bit |
| Timers | 5 timers |
| I/O Ports | 64 multifunctional bidirectional I/O lines |