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ManualsBrandsMICROCHIP TECHNOLOGY ManualsMicrocontrollers, Microprocessors & QuartzesEmbedded microcontroller SOIC 28 16-Bit 70 null I/O number 21
341342343344345346347348349350
2011-2013 Microchip Technology Inc. DS70657G-page 349
dsPIC33EPXXXGP50X, dsPIC33EPXXXMC20X/50X AND PIC24EPXXXGP/MC20X
TABLE 24-1: PTG STEP COMMAND FORMAT (CONTINUED)
bit 3-0
Step
Command
OPTION<3:0> Option Description
PTGCTRL
(1)
0000 Reserved.
0001 Reserved.
0010 Disable Step Delay Timer (PTGSD).
0011 Reserved.
0100 Reserved.
0101 Reserved.
0110 Enable Step Delay Timer (PTGSD).
0111 Reserved.
1000 Start and wait for the PTG Timer0 to match the Timer0 Limit Register.
1001 Start and wait for the PTG Timer1 to match the Timer1 Limit Register.
1010 Reserved.
1011 Wait for the software trigger bit transition from low-to-high before continuing
(PTGSWT = 0 to 1).
1100 Copy contents of the Counter 0 register to the AD1CHS0 register.
1101 Copy contents of the Counter 1 register to the AD1CHS0 register.
1110 Copy contents of the Literal 0 register to the AD1CHS0 register.
1111 Generate triggers indicated in the Broadcast Trigger Enable register
(PTGBTE).
PTGADD
(1)
0000 Add contents of the PTGADJ register to the Counter 0 Limit register (PTGC0LIM).
0001 Add contents of the PTGADJ register to the Counter 1 Limit register (PTGC1LIM).
0010 Add contents of the PTGADJ register to the Timer0 Limit register (PTGT0LIM).
0011 Add contents of the PTGADJ register to the Timer1 Limit register (PTGT1LIM).
0100 Add contents of the PTGADJ register to the Step Delay Limit register (PTGSDLIM).
0101 Add contents of the PTGADJ register to the Literal 0 register (PTGL0).
0110 Reserved.
0111 Reserved.
PTGCOPY
(1)
1000 Copy contents of the PTGHOLD register to the Counter 0 Limit register
(PTGC0LIM).
1001 Copy contents of the PTGHOLD register to the Counter 1 Limit register
(PTGC1LIM).
1010 Copy contents of the PTGHOLD register to the Timer0 Limit register
(PTGT0LIM).
1011 Copy contents of the PTGHOLD register to the Timer1 Limit register
(PTGT1LIM).
1100 Copy contents of the PTGHOLD register to the Step Delay Limit register
(PTGSDLIM).
1101 Copy contents of the PTGHOLD register to the Literal 0 register (PTGL0).
1110 Reserved.
1111 Reserved.
Note 1: All reserved commands or options will execute but have no effect (i.e., execute as a NOP instruction).
2: Refer to Table 24-2 for the trigger output descriptions.
3: This feature is only available on dsPIC33EPXXXMC20X/50X and PIC24EPXXXMC20X devices.