QAM_LC_MODE__A
rc = drxj_dap_write_reg16(dev_addr, QAM_LC_MODE__A, QAM_LC_MODE__PRE, 0);
rc = drxj_dap_write_reg16(dev_addr, QAM_LC_MODE__A, 7, 0);
status = write16(state, QAM_LC_MODE__A, 7);