OMAPL132EZWTA2 Same software with external circuitry (hardware problematic and non-problematic external crystal oscillator (crystal frequency: 19.2MHZ) no difference, the circuit design on the PCBA board is the same) After starting up and running, the internal timer of the chip sends out the wrong signal, using 1500 pieces, it is found that 40 pieces of the internal timer of the chip sends out the wrong signal.