CPU CATALOG NUMBER: UC-533
THN ADR: 0x14
TYPE: 0xB7
Project Info
Module acquired on Aliexpress. I made basic tests and will return to it later. 35 MHz clock and 4KB EEPROM are nice features, little bit better than ATTINY13 (which typically can be overclocked to 24 MHz) used in many simple projects.
Flashing Code
Software stc-isp6.94l.rar is available on STC website. One of UART-USB tools must be used: HF-17851, HF-17855, HF-17868.