Microchip Technology MA330031-2 Data Sheet

DS70000657H-page 350

 2011-2013 Microchip Technology Inc.

STEPx<7:0>

CMD<3:0>

OPTION<3:0>

bit 7

bit 4 bit 3

bit 0

bit 7-4

0000

PTGCTRL

Execute control command as described by OPTION<3:0>.

0001

PTGADD

Add contents of PTGADJ register to target register as described by 
OPTION<3:0>.

PTGCOPY

Copy contents of PTGHOLD register to target register as described by 
OPTION<3:0>.

001x

PTGSTRB

Copy the value contained in CMD<0>:OPTION<3:0> to the CH0SA<4:0> bits 
(AD1CHS0<4:0>).

0100

PTGWHI

Wait for a low-to-high edge input from the selected PTG trigger input as 
described by OPTION<3:0>.

0101

PTGWLO

Wait for a high-to-low edge input from the selected PTG trigger input as 
described by OPTION<3:0>.

0110

Reserved

Reserved.

0111

PTGIRQ

Generate individual interrupt request as described by OPTION3<:0>.

100x

PTGTRIG

Generate individual trigger output as described by <<CMD<0>:OPTION<3:0>>.

101x

PTGJMP

Copy the value indicated in <<CMD<0>:OPTION<3:0>> to the Queue Pointer 
(PTGQPTR) and jump to that Step queue.

110x

PTGJMPC0

PTGC0 = PTGC0LIM: Increment the Queue Pointer (PTGQPTR).
PTGC0 



 PTGC0LIM: Increment Counter 0 (PTGC0) and copy the value 

indicated in <<CMD<0>:OPTION<3:0>> to the Queue Pointer (PTGQPTR), 
and jump to that Step queue

111x

PTGJMPC1

PTGC1 = PTGC1LIM: Increment the Queue Pointer (PTGQPTR).
PTGC1 



 PTGC1LIM: Increment Counter 1 (PTGC1) and copy the value 

indicated in <<CMD<0>:OPTION<3:0>> to the Queue Pointer (PTGQPTR), 
and jump to that Step queue.

All reserved commands or options will execute but have no effect (i.e., execute as a NOP instruction).

Refer to 

 for the trigger output descriptions.

This feature is only available on dsPIC33EPXXXMC20X/50X and PIC24EPXXXMC20X devices.