Datasheet

© 2007 Microchip Technology Inc. DS39599G-page 239
PIC18F2220/2320/4220/4320
REGISTER 23-2: CONFIG2L: CONFIGURATION REGISTER 2 LOW (BYTE ADDRESS 300002h)
U-0 U-0 U-0 U-0 R/P-1 R/P-1 R/P-1 R/P-1
—BORV1BORV0BOR
(1)
PWRTEN
(1)
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 7-4 Unimplemented: Read as ‘0
bit 3-2 BORV1:BORV0: Brown-out Reset Voltage bits
11 = V
BOR set to 2.0V
10 = V
BOR set to 2.7V
01 = V
BOR set to 4.2V
00 = V
BOR set to 4.5V
bit 1 BOR: Brown-out Reset enable bit
(1)
1 = Brown-out Reset enabled
0 = Brown-out Reset disabled
bit 0 PWRT
: Power-up Timer enable bit
(1)
1 = PWRT disabled
0 = PWRT enabled
Note 1: The Power-up Timer is decoupled from Brown-out Reset, allowing these features to be independently controlled.