NISTC_AI_SC_LOADA_REG
ni_stc_writel(dev, stop_count, NISTC_AI_SC_LOADA_REG);
ni_stc_writel(dev, 0, NISTC_AI_SC_LOADA_REG);
[NISTC_AI_SC_LOADA_REG] = { 0x124, 4 },