Datasheet

dsPIC33EPXXXGP50X, dsPIC33EPXXXMC20X/50X AND PIC24EPXXXGP/MC20X
DS70000657H-page 342  2011-2013 Microchip Technology Inc.
REGISTER 24-2: PTGCON: PTG CONTROL REGISTER
R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
PTGCLK2 PTGCLK1 PTGCLK0 PTGDIV4 PTGDIV3 PTGDIV2 PTGDIV1 PTGDIV0
bit 15 bit 8
R/W-0 R/W-0 R/W-0 R/W-0 U-0 R/W-0 R/W-0 R/W-0
PTGPWD3 PTGPWD2 PTGPWD1 PTGPWD0
— PTGWDT2 PTGWDT1 PTGWDT0
bit 7 bit 0
Legend:
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 15-13 PTGCLK<2:0>: Select PTG Module Clock Source bits
111 = Reserved
110 = Reserved
101 = PTG module clock source will be T3CLK
100 = PTG module clock source will be T2CLK
011 = PTG module clock source will be T1CLK
010 = PTG module clock source will be T
AD
001 = PTG module clock source will be FOSC
000 = PTG module clock source will be FP
bit 12-8 PTGDIV<4:0>: PTG Module Clock Prescaler (divider) bits
11111 = Divide-by-32
11110 = Divide-by-31
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•
•
00001 = Divide-by-2
00000 = Divide-by-1
bit 7-4 PTGPWD<3:0>: PTG Trigger Output Pulse-Width bits
1111 = All trigger outputs are 16 PTG clock cycles wide
1110 = All trigger outputs are 15 PTG clock cycles wide
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•
•
0001 = All trigger outputs are 2 PTG clock cycles wide
0000 = All trigger outputs are 1 PTG clock cycle wide
bit 3 Unimplemented: Read as ‘0’
bit 2-0 PTGWDT<2:0>: Select PTG Watchdog Timer Time-out Count Value bits
111 = Watchdog Timer will time-out after 512 PTG clocks
110 = Watchdog Timer will time-out after 256 PTG clocks
101 = Watchdog Timer will time-out after 128 PTG clocks
100 = Watchdog Timer will time-out after 64 PTG clocks
011 = Watchdog Timer will time-out after 32 PTG clocks
010 = Watchdog Timer will time-out after 16 PTG clocks
001 = Watchdog Timer will time-out after 8 PTG clocks
000 = Watchdog Timer is disabled