10.8.3 Read Fuse Byte

Fuse data are returned in the form of a single byte. Bits 0 to 3 represent the fuse states; a value of ‘0’ indicates that the fuse has been blown. Bits 4 to 7 are not used as security fuses and are reserved by Microchip.

Table 10-10. Fuse Byte Definition

F7

F6

F5

F4

F3

F2

F1

F0

resv

resv

resv

resv

SEC

PER

CMA

FAB