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PIC32MX1XX Datasheet, PDF (230/320 Pages) Microchip Technology – 32-bit Microcontrollers (up to 128 KB Flash and 32 KB SRAM) with Audio and Graphics Interfaces, USB, and Advanced Analog
PIC32MX1XX/2XX
REGISTER 26-3: DEVCFG2: DEVICE CONFIGURATION WORD 2
Bit
Range
Bit
31/23/15/7
Bit
Bit
Bit
Bit
30/22/14/6 29/21/13/5 28/20/12/4 27/19/11/3
r-1
31:24
—
r-1
r-1
r-1
r-1
—
—
—
—
r-1
23:16
—
r-1
r-1
r-1
r-1
—
—
—
—
R/P
r-1
r-1
r-1
r-1
15:8
UPLLEN(1)
—
—
—
—
r-1
7:0
—
R/P-1
R/P
R/P-1
r-1
FPLLMUL<2:0>
—
Bit
26/18/10/2
Bit
25/17/9/1
Bit
24/16/8/0
r-1
r-1
r-1
—
—
—
R/P
R/P
R/P
FPLLODIV<2:0>
R/P
R/P
R/P
UPLLIDIV<2:0>(1)
R/P
R/P
R/P
FPLLIDIV<2:0>
Legend:
R = Readable bit
-n = Value at POR
r = Reserved bit
W = Writable bit
‘1’ = Bit is set
P = Programmable bit
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
x = Bit is unknown
bit 31-19 Reserved: Write ‘1’
bit 18-16 FPLLODIV<2:0>: Default PLL Output Divisor bits
bit 15
111 = PLL output divided by 256
110 = PLL output divided by 64
101 = PLL output divided by 32
100 = PLL output divided by 16
011 = PLL output divided by 8
010 = PLL output divided by 4
001 = PLL output divided by 2
000 = PLL output divided by 1
UPLLEN: USB PLL Enable bit(1)
1 = Disable and bypass USB PLL
0 = Enable USB PLL
bit 14-11 Reserved: Write ‘1’
bit 10-8 UPLLIDIV<2:0>: USB PLL Input Divider bits(1)
111 = 12x divider
110 = 10x divider
101 = 6x divider
100 = 5x divider
011 = 4x divider
010 = 3x divider
010 = 3x divider
001 = 2x divider
000 = 1x divider
bit 7
Reserved: Write ‘1’
bit 6-4 FPLLMUL<2:0>: PLL Multiplier bits
111 = 24x multiplier
110 = 21x multiplier
101 = 20x multiplier
100 = 19x multiplier
011 = 18x multiplier
010 = 17x multiplier
001 = 16x multiplier
000 = 15x multiplier
bit 3
Reserved: Write ‘1’
Note 1: This bit is available on PIC32MX2XX devices only.
DS61168D-page 230
Preliminary
© 2011-2012 Microchip Technology Inc.