PIC18F2420/2520/4420/4520
REGISTER 23-2:
U-0
—
bit 7
Legend:
R = Readable bit
P = Programmable bit
U = Unimplemented bit, read as ‘0’
u = Unchanged from programmed state
-n = Value when device is unprogrammed
bit 7-5
bit 4-3
Unimplemented:
Read as ‘0’
BORV<1:0>:
Brown-out Reset Voltage bits
(1)
11
= Minimum setting
.
.
.
00
= Maximum setting
BOREN<1:0>:
Brown-out Reset Enable bits
(2)
11
= Brown-out Reset enabled in hardware only (SBOREN is disabled)
10
= Brown-out Reset enabled in hardware only and disabled in Sleep mode (SBOREN is disabled)
01
= Brown-out Reset enabled and controlled by software (SBOREN is enabled)
00
= Brown-out Reset disabled in hardware and software
PWRTEN:
Power-up Timer Enable bit
(2)
1
= PWRT disabled
0
= PWRT enabled
See
for specifications.
The Power-up Timer is decoupled from Brown-out Reset, allowing these features to be independently
controlled.
CONFIG2L: CONFIGURATION REGISTER 2 LOW (BYTE ADDRESS 300002h)
U-0
—
U-0
—
R/P-1
BORV1
(1)
R/P-1
BORV0
(1)
R/P-1
BOREN1
(2)
R/P-1
BOREN0
(2)
R/P-1
PWRTEN
(2)
bit 0
bit 2-1
bit 0
Note 1:
2:
©
2008 Microchip Technology Inc.
DS39631E-page 251
MICROCHIP [ MICROCHIP TECHNOLOGY ]
