= HF8V = / = SP8WJT = / = SP0106RZ =
HF-12243
PROJECT: HF-12243
DESCRIPTION: Universal Microprocessor Module ATMEGA8
STATUS: u
PROJECT START DATE: 2022
LOCALISATION: PI
DOCUMENTATION: yes, Project Card
PCB: TPD22006
PCB DIMENSIONS: 50 x 25 mm
CPU: ATMEGA8
CPU BRAND: ATMEL
FAMILY: AVR
FLASH: 8K
RAM: 1K
MAX CLOCK: 16 MHz (24 MHz)
CPU CATALOG NUMBER: UC-255
THN ADDRESS: 0x9B
UC TYPE: 0x14

Used for various tentative projects, proposed for HF-5218. It is 'minimum' uC for this application.
UC-254 exchanged with UC-255, because PD4 is broken.
Sources:
[1] ATMEGA8 datasheet
Prefix 122
HF Register
Microcontrollers in my constructions
UC Database - my CPU collection
Electronics
Main Page