-extern __xdata uint16_t ao_cmd_lex_i;
-extern __xdata uint32_t ao_cmd_lex_u32;
-extern __xdata char ao_cmd_lex_c;
-extern __xdata enum ao_cmd_status ao_cmd_status;
+extern __pdata uint16_t ao_cmd_lex_i;
+extern __pdata uint32_t ao_cmd_lex_u32;
+extern __pdata char ao_cmd_lex_c;
+extern __pdata enum ao_cmd_status ao_cmd_status;