The Device Information Area (DIA) is a dedicated region in the Program Flash Memory. The data is mapped from address 8100h to 811 Fh. These locations are read-only and cannot be erased or modified. The DIA contains the Microchip Unique Identifier words, and the FVR voltage readings in millivolts (mV). Table 1 holds the DIA information for the PIC16F152 family of microcontrollers.
| Address Range | Name of Region | Standard Device Information |
|---|---|---|
| 8100h - 8108h | MUI0 | Microchip Unique Identifier (9 Words) |
| MUI1 | ||
| MUI2 | ||
| MUI3 | ||
| MUI4 | ||
| MUI5 | ||
| MUI6 | ||
| MUI7 | ||
| MUI8 | ||
| 8109h | MUI9 | Reserved (1 Word) |
| 810Ah - 8111h | EUI0 | Optional External Unique Identifier (8 Words) |
| EUI1 | ||
| EUI2 | ||
| EUI3 | ||
| EUI4 | ||
| EUI5 | ||
| EUI6 | ||
| EUI7 | ||
| 8112h - 8117h | Reserved | Reserved (6 Words) |
| 8118h | FVRA1X | ADC FVR1 output voltage for 1x setting (in mV) |
| 8119h | FVRA2X | ADC FVR1 output voltage for 2x setting (in mV) |
| 811Ah | FVRA4X | ADC FVR1 output voltage for 4x setting (in mV) |
| 811Bh - 811Fh | Reserved | Reserved (5 Words) |