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The pin label is abbreviated but descriptive for each pin. All I/O pins begin with IO. If a pin can be used as a differential signal, the name includes an _Lxxy_b suffix, where

  • L indicates that the pin is part of a differential pair
  • xx is a two-digit integer, unique for each bank, that identifies a differential pin-pair
  • y is the signal polarity and is replaced by P for the positive signal or N for the negative. These two pins form one differential pin-pair
  • b is an integer, 0 through 2 for TE0320, indicating the associated I/O bank.

Dual- or multi-purpose pins have a name composed of the signal names referring to each possible pin function (e. g. IO_L52P_2 / D0 / DIN / MISO). _B is used as the active-Low designator, as in CSI_B.

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