-static __data uint8_t ao_flash_block_shift;
-static __data uint16_t ao_flash_block_size;
-static __data uint16_t ao_flash_block_mask;
+static __pdata uint8_t ao_flash_block_shift;
+static __pdata uint16_t ao_flash_block_size;
+static __pdata uint16_t ao_flash_block_mask;