| MODEL | Description | Supply voltage | Supply current(TX1/2 end output is floating) | Operating frequency | Interface | Working mode | Package |
|---|---|---|---|---|---|---|---|
| MS512 | The contactless card reader IC | 2.5V－3.6V | 35mA | 13.56MHz | SPI, I2C, UART, 8-bit parallel interface | Reader / writer mode of ISO /IEC 14443A, ISO/IEC 14443B, FeliCa Card operation mode of ISO /IEC 14443A, FeliCa NFCIP-1 mode | QFN32/QFN40 |
| MS520 | The contactless card reader IC | 2.5V－3.6V | 35mA | 13.56MHz | SPI | ISO/IEC 14443A reader mode | QFN32 |
| MS520NA | The contactless card reader IC | 2.5V-5.5V | 35mA@3.3V | 13.56MHz | SPI | ISO/IEC 14443A reader mode | QFN32 |
| MS523 | The contactless card reader IC | 2.5V－3.6V | 35mA | 13.56MHz | SPI、I2C、UART | ISO/IEC 14443A, ISO/IEC 14443B reader mode | QFN32 |
| MS523NA | The contactless card reader IC | 2.5V-5.5V | 35mA@3.3V | 13.56MHz | SPI、I2C、UART | ISO/IEC 14443A, ISO/IEC 14443B reader mode | QFN32 |
