SLUSC25A February 2015 – August 2017 TPS2388
PRODUCTION DATA.
The TPS2388 provides port remapping capability, from the logical ports to the physical ports/pins.
The remapping is between any port of a 4-port group (1 to 4, 5 to 8).
The following example is applicable to 0x26 register = 00111001, 00111001b.
NOTE
The device ignores any remapping command unless all four ports are in off mode.
If the TPS2388 receives an incorrect configuration, it simply ignores the incorrect configuration and keeps the configuration unchanged. The ACK is also sent as usual at the end of communication. For example, if the same code is received for more than one port, then a read back of the Re-Mapping register (0x26) would be the last valid configuration.
Also note that if an IC reset command (1Ah register) is received, the port remapping configuration is kept unchanged. However, if there is a Power-on Reset or if the RESET pin is activated, the Re-Mapping register is reinitialized to a default value.