chip and board
comparison to arduino atmega328
| pin | LGT | arduino | note |
|---|---|---|---|
| 3 | PE4 | GND | extra pin |
| 6 | PE5 | VCC | extra pin |
| 18 | PE0/SWC | AVCC | prog port |
| 21 | PE2/SWD | GND | prog port |
| 4 | VCC | VCC | common |
| 5 | GND | GND | common |
common pin
- pin 4 = VCC
- pin 5 = GND


view main differences between LGT8F328 and atmega328 - source: https://wolles-elektronikkiste.de/en/lgt8f328p-lqfp32-boards

LGT8F328-QFP MIN SYS

periperhals
LGT8F88A-QFP32 MIN System

other MCUs
LGT8F88A, LGT8Fx8D and LGT8Fx8P main differences
| - | - | LGT8F88A | LGT8Fx8D | LGT8Fx8P |
|---|---|---|---|---|
| Progmem | KB | 8 | 4/8/16/32 | 8/16/32 |
| RAM | KB | 1 | 0.5/1/1/2 | 1/1/2 |
| Data Flash (EEPROM) | KB | 504 byte | 1/2/4/progmem shared | 2/4/progmem shared |
| DAC (8 bit) | - | 2 | 1 | |
| Internal Reference | V | 1.25/2.56 | 1.25/2.56 | 1.024/2.048/4.096 |
| Analog Comparators (AC) | 2 | 2 | 2 | |
| AC resolution | mV | 6 | 12 | 10 |
| DAP Differential Amplifier | gain | 7.5/15/22.5/30 | - | 1/8/16/32 |
| ACD | bit | 10 | 12 | 12 |
| Max sysclk | MHz | 32 | 32 div 2 internal or 20 external | 32 |
| Extras | Capacitive touch button controller, Thermal sensor |
2x Operational Amplifier fixed gain = +12 or -11 |
DSC (16 bit arithmetic), SPI buffer, SPI 2 wire input mode |
|
| Package | QFP32, SSOP28 | QFP32, SSOP28, SSOP24, SSOP20 | QFP48, QFP32, SSOP20 |
APP
USB Demo

demo
https://www.youtube.com/shorts/CL2-iH4KWQQ