This is an old revision of the document!

Generally not a lot of info on these. However, their datasheets show the (rough?) pad layout, which can be used to help identify them.

https://fccid.io/PQ337480DDTG14/Schematics/Circuit-Diagram-2483636.iframe

• 37480DDTG14 TAMAGOTCHI FRIENDS DIGITAL FRIEND Schematics Schematic Prints Bandai (HK) Company Limited
• U2: GPLb52001a

Chips