Memory map
The PIC16F1454/5/9 microcontroller has 8192 words of memory.
The first 512 words are utilized by this bootloader.
Of the remaining 7680 words, one is used for the CRC-14 to provide code integrity checking.
The CRC-14 is placed at 0x1F7F so that the remaining 128 words (0x1F80-0x1FFF) of high-endurance flash can be reprogrammed by the user app without disturbing the CRC.
The user app can be up to 7679 words, which is 97.3% of the entire memory.
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