The ST72344xx, ST72345xx are 8-bit MCUs from STMicroelectronics with up to 16 Kbytes Flash memory, 10-bit ADC, two 16-bit timers, two I2C, SPI, SCI interfaces
This document is a production datasheet for the ST72344xx and ST72345xx series of 8-bit microcontrollers (MCUs). The devices feature up to 16 Kbytes of single-voltage extended Flash memory with read-out and write protection, along with 1 Kbyte of RAM and 256 bytes of data EEPROM. Key peripherals include two 16-bit timers, two I2C interfaces, one SPI interface, and one SCI interface compatible with LIN.
| Program memory | up to 16 Kbytes |
|---|---|
| RAM | up to 1 Kbyte |
| EEPROM | 256 bytes |
| ADC resolution | 10-bit |
| Timers | two 16-bit timers |
| SPI interface | one |
| SCI interface | one |
| I/O ports | up to 34 |
The maximum Flash memory size is 16 Kbytes.
Yes, the device supports in-circuit programming (ICP) and in-application programming (IAP).
10,000 write/erase cycles are guaranteed for Flash memory.
Data retention for EEPROM is 20 years at 55 °C.