PIC18F2450/4450
REGISTER 18-3: CONFIG2L: CONFIGURATION REGISTER 2 LOW (BYTE ADDRESS 300002h)
U-0
—
U-0
—
R/P-0
R/P-1
BORV1(1)
R/P-1
BORV0(1)
R/P-1
BOREN1(2)
R/P-1
R/P-1
VREGEN
BOREN0(2) PWRTEN(2)
bit 7
bit 0
Legend:
R = Readable bit
P = Programmable bit
U = Unimplemented bit, read as ‘0’
-n = Value when device is unprogrammed
u = Unchanged from programmed state
bit 7-6
bit 5
Unimplemented: Read as ‘0’
VREGEN: USB Internal Voltage Regulator Enable bit
1= USB voltage regulator enabled
0= USB voltage regulator disabled
bit 4-3
BORV1:BORV0: Brown-out Reset Voltage bits(1)
11= Minimum setting
.
.
.
00= Maximum setting
bit 2-1
bit 0
BOREN1:BOREN0: 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
Note 1: See Section 21.0 “Electrical Characteristics” for the specifications.
2: The Power-up Timer is decoupled from Brown-out Reset, allowing these features to be independently
controlled.
© 2006 Microchip Technology Inc.
Advance Information
DS39760A-page 193
MICROCHIP [ MICROCHIP ]
