Microchip Technology DM240015 Data Sheet
PIC24FJ128GC010 FAMILY
DS30009312B-page 290
2012-2013 Microchip Technology Inc.
REGISTER 19-13: U1CNFG2: USB CONFIGURATION REGISTER 2
U-0
U-0
U-0
U-0
U-0
U-0
U-0
U-0
—
—
—
—
—
—
—
—
bit 15
bit 8
U-0
U-0
R/W-0
R/W-0
R/W-0
U-0
R/W-0
R/W-0
—
—
UVCMPSEL
PUVBUS
EXTI2CEN
—
UVCMPDIS
UTRDIS
(
)
bit 7
bit 0
Legend:
R = Readable bit
R = Readable bit
W = Writable bit
U = Unimplemented bit, read as ‘0’
-n = Value at POR
‘1’ = Bit is set
‘0’ = Bit is cleared
x = Bit is unknown
bit 15-6
Unimplemented:
Read as ‘0’
bit 5
UVCMPSEL:
V
BUS
Comparator External Interface Selection bit
1
= Uses V
BUSVLD
, SESSVLD and SESSEND as comparator interface pins
0
= Uses V
CMPST1
and V
CMPST2
as comparator interface pins
bit 4
PUVBUS:
V
BUS
Pull-Up Enable bit
1
= Pull-up on V
BUS
pin is enabled
0
= Pull-up on V
BUS
pin is disabled
bit 3
EXTI2CEN:
I
2
C™ Interface for External Module Control Enable bit
1
= External module(s) is controlled via the I
2
C™ interface
0
= External module(s) is controlled via the dedicated pins
bit 2
Unimplemented:
Read as ‘0’
bit 1
UVCMPDIS:
USB On-Chip V
BUS
Comparator Disable bit
)
1
= On-chip charge V
BUS
comparator is disabled; digital input status interface is enabled
0
= On-chip charge V
BUS
comparator is active
bit 0
UTRDIS:
USB On-Chip Transceiver Disable bit
)
1
= On-chip transceiver is disabled; digital transceiver interface is enabled
0
= On-chip transceiver is active
Note 1:
Never change these bits while the USBPWR bit is set (U1PWRC<0> = 1).