PIC18F44K22-I/SO View Datasheet(PDF) - Microchip Technology
Part Name
Description
Manufacturer
PIC18F44K22-I/SO
Microchip Technology
PIC18F44K22-I/SO Datasheet PDF : 494 Pages
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PIC18(L)F2X/4XK22
FIGURE 2-2:
IRCF<2:0>
MFIOSEL
INTSRC
HF-16 MHZ
HF-8 MHZ
HF-4 MHZ
HF-2 MHZ
HF-1 MHZ
INTERNAL OSCILLATOR
MUX BLOCK DIAGRAM
3
111
110
101
100
011
MF-500 KHZ
HF-500 KHZ
MF-250 KHZ
HF-250 KHZ
HF-31.25 KHZ
11
MF-31.25 KHZ
LF-31.25 KHZ
10
0X
1 500 kHZ 010 INTOSC
0
1 250 kHZ 001
0
31.25 kHZ
000
TABLE 2-1: PLL SELECT TRUTH TABLE
Primary Clock MUX Source
FOSC<3:0>
FOSC (any source)
OSC1/OSC2 (external source)
0000-1111
0000-0111
1010-1111
INTOSC (internal source)
INTOSC (internal source)
1000-1001
FIGURE 2-3:
FOSC<3:0> = 100x
PLLCFG
PLLEN
PLL SELECT BLOCK
DIAGRAM
PLL
Select
PLLCFG
0
1
0
x
x
PLLEN
0
x
1
0
1
PLL Select
0
1
1
0
1
DS41412A-page 30
Preliminary
2010 Microchip Technology Inc.
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