FEC_COMM_EXEC_STOP
rc = drxj_dap_write_reg16(dev_addr, FEC_COMM_EXEC__A, FEC_COMM_EXEC_STOP, 0);
rc = drxj_dap_write_reg16(dev_addr, FEC_COMM_EXEC__A, FEC_COMM_EXEC_STOP, 0);
rc = drxj_dap_write_reg16(dev_addr, FEC_COMM_EXEC__A, FEC_COMM_EXEC_STOP, 0);
rc = drxj_dap_write_reg16(dev_addr, FEC_COMM_EXEC__A, FEC_COMM_EXEC_STOP, 0);
status = write16(state, FEC_COMM_EXEC__A, FEC_COMM_EXEC_STOP);