Switch uses eSOL’s μITRON 4.0 for NFC, microSD tech

- confirmed by eSOL
- Switch uses the μITRON 4.0 compliant real-time OS and exFAT file system
- this is used in control applications such as NFC (Near Field Communication) within the Joy-Con controller
- the exFAT file system provides a file operation function to read/write data at high speed
- this is used for microSD, microSDHC and microSDXC cards
- eSOL’s FAT file system PrFILE 2 was used in both Wii and Wii U hardware

from GoNintendo