8.5.3 CONFIG3

Configuration Byte 3
Name: CONFIG3
Address: 0x300002

Bit 76543210 
 BOREN[1:0]LPBORENIVT1WAYMVECENPWRTS[1:0]MCLRE 
Access R/WR/WR/WR/WR/WR/WR/WR/W 
Reset 01111111 

Bits 7:6 – BOREN[1:0] Brown-out Reset Enable

When enabled, Brown-out Reset Voltage (VBOR) is set by the BORV bit.
ValueDescription
11 Brown-out Reset enabled, the SBOREN bit is ignored
10 Brown-out Reset enabled while running, disabled in Sleep; SBOREN is ignored
01 Brown-out Reset enabled according to SBOREN
00 Brown-out Reset disabled

Bit 5 – LPBOREN Low-Power BOR Enable

ValueDescription
1 Low-Power Brown-out Reset is disabled
0 Low-Power Brown-out Reset is enabled

Bit 4 – IVT1WAY IVTLOCK One-Way Set Enable

ValueDescription
1 The IVTLOCK bit can be cleared and set only once; IVT registers remain locked after one clear/set cycle
0 The IVTLOCK bit can be set and cleared repeatedly (subject to the unlock sequence)

Bit 3 – MVECEN Multivector Enable

ValueDescription
1 Multivector is enabled; vector table used for interrupts
0 Legacy interrupt behavior

Bits 2:1 – PWRTS[1:0] Power-up Timer Selection

ValueDescription
11 PWRT is disabled
10 PWRT is set at 64 ms
01 PWRT is set at 16 ms
00 PWRT is set at 1 ms

Bit 0 – MCLRE  Master Clear (MCLR) Enable

ValueNameDescription
x If LVP = 1 RA3 pin function is MCLR
1 If LVP = 0 RA3 pin function is MCLR
0 If LVP = 0 RA3 pin function is a port-defined function