I2C Slave address mask register 0. This mask register is associated with I2ADR0 to determine an address match. The mask register has no effect when comparing to the General Call address (0000000).
| RESERVED | Reserved. User software should not write ones to reserved bits. This bit reads always back as 0. |
| MASK | Mask bits. |
| RESERVED | Reserved. The value read from reserved bits is undefined. |