XC32 compiler cannot set out pin tdo, tdi such as digital in/out put (Cali1306)

Dear all,I want set TDO, TDI of PIC32MX340F512H such as digital input/output but not yet. i dont know why?My configuration are:#pragma config DEBUG = OFF // Background Debugger disabled --> OFF #pragma config FPLLMUL = MUL_20// PLL Multiplier: Multiply b..