Electronics > Microcontrollers

What 8-pin MCU might this be ?

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MathWizard:
I have an RGB LED strip controller, that had an IR remote control. And the label of the 8-pin SIOC MCU was etched off. There's an EEprom next to it, so I would assume they would use the default I2C pins on the MCU, with the EEPROM.

But I'm just wondering what might have this pin out. I barely know ATMEL MCU's, but this might be a PIC type ?

1-Vcc
2-SCL
3-SDA
4,5,6,7, GPIO
8-GND

mikeselectricstuff:
Most likely a cheap Chinese job like the Padauk PMS150- these are be pin-compatible with PIC12

MathWizard:
I should leave it alone for now, I'd probably have to download a bunch of other software/etc. I just wanted to see what the program on it might look like. Somewhere I have the remote too. The LED's were thrown out years ago.

But yeah I could just make some strings of LED's for it, and it should all still work. And I want to see how the remote works and sends data. But I've never tried anything with a PIC before.

zilp:

--- Quote from: MathWizard on May 02, 2024, 11:11:46 am ---I have an RGB LED strip controller, that had an IR remote control. And the label of the 8-pin SIOC MCU was etched off. There's an EEprom next to it, so I would assume they would use the default I2C pins on the MCU, with the EEPROM.

--- End quote ---

Chances are this is a Padauk. In which case, nothing was etched off, they just tend to be labeled on the bottom side. You'd have to desolder it to check ...

radiolistener:
If this is some cheap Chinese LED controller, then most of all this is some kind of Chinese controller probably something 8051 based with one-time programable memory, they don't use branded MCU in a cheap mass production devices due to higher price. Even if some device contains branded MCU, they will replace it with more cheap Chinese one for economy

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