20.5.4.3.11 Addresses Reserved from Masking

Even when enabled, there are several addresses that are ignored by the I2C module. For these addresses, an Acknowledge will not be issued independent of the mask setting. These addresses are listed in Table 20-22.

Table 20-22. Reserved I2C Bus Addresses(3)
7-Bit Address Mode
Client AddressR/W BitDescription
0000 0000General Call Address(1)
0000 0001Start Byte
0000 001xC-Bus Address
0000 010xReserved
0000 011xReserved
0000 1xxxHS Mode Master Code
1111 1xxxReserved
1111 0xxx10-Bit Client Upper Byte(2)
Note:
  1. Address will be Acknowledged only if GCEN = 1.
  2. A match on this address can only occur as the upper byte in 10-Bit Addressing mode.
  3. These addresses will not be Acknowledged, independent of mask settings and STRICT = 1.