24.3 PTG Step Commands
Step Command Byte | |||||||
---|---|---|---|---|---|---|---|
STEPx[7:0] | |||||||
CMD[3:0] | OPTION[3:0] | ||||||
bit 7 | bit 4 | bit 3 | bit 0 |
bit 7-4 | Step Command | CMD[3:0] | Command Description |
PTGCTRL | 0000 | Execute the control command as described by the OPTION[3:0] bits. | |
PTGADD | 0001 | Add contents of the PTGADJ register to the target register as described by the OPTION[3:0] bits. | |
PTGCOPY | Copy contents of the PTGHOLD register to the target register as described by the OPTION[3:0] bits. | ||
PTGSTRB | 001x | Copy the values contained in the bits, CMD[0]:OPTION[3:0], to the strobe output bits[4:0]. | |
PTGWHI | 0100 | Wait for a low-to-high edge input from a selected PTG trigger input as described by the OPTION[3:0] bits. | |
PTGWLO | 0101 | Wait for a high-to-low edge input from a selected PTG trigger input as described by the OPTION[3:0] bits. | |
— | 0110 | Reserved; do not use.(1) | |
PTGIRQ | 0111 | Generate individual interrupt request as described by the OPTION[3:0] bits. | |
PTGTRIG | 100x | Generate individual trigger output as described by the bits, CMD[0]:OPTION[3:0]. | |
PTGJMP | 101x | Copy the values contained in the bits, CMD[0]:OPTION[3:0], to the PTGQPTR register and jump to that Step queue. | |
PTGJMPC0 | 110x | PTGC0 = PTGC0LIM: Increment the PTGQPTR register. | |
PTGC0 ≠ PTGC0LIM: Increment Counter 0 (PTGC0) and copy the values contained in the bits, CMD[0]:OPTION[3:0], to the PTGQPTR register, and jump to that Step queue. | |||
PTGJMPC1 | 111x | PTGC1 = PTGC1LIM: Increment the PTGQPTR register. | |
PTGC1 ≠ PTGC1LIM: Increment Counter 1 (PTGC1) and copy the values contained in the bits, CMD[0]:OPTION[3:0], to the PTGQPTR register, and jump to that Step queue. | |||
bit 3-0 | PTGCTRL (1) | 0000 | NOP . |
0001 | Reserved; do not use. | ||
0010 | Disable Step delay timer (PTGSD). | ||
0011 | Reserved; do not use. | ||
0100 | Reserved; do not use. | ||
0101 | Reserved; do not use. | ||
0110 | Enable Step delay timer (PTGSD). | ||
0111 | Reserved; do not use. | ||
1000 | Start and wait for the PTG Timer0 to match the PTGT0LIM register. | ||
1001 | Start and wait for the PTG Timer1 to match the PTGT1LIM register. | ||
1010 |
Wait for the software trigger (level, PTGSWT = | ||
1011 | Wait for the software trigger (positive edge,
PTGSWT = 0 to 1 ). | ||
1100 | Copy the PTGC0LIM register contents to the strobe output. | ||
1101 | Copy the PTGC1LIM register contents to the strobe output. | ||
1110 | Copy the PTGL0 register contents to the strobe output. | ||
1111 | Generate the triggers indicated in the PTGBTE register. | ||
PTGADD (1) | 0000 | Add the PTGADJ register contents to the PTGC0LIM register. | |
0001 | Add the PTGADJ register contents to the PTGC1LIM register. | ||
0010 | Add the PTGADJ register contents to the PTGT0LIM register. | ||
0011 | Add the PTGADJ register contents to the PTGT1LIM register. | ||
0100 | Add the PTGADJ register contents to the PTGSDLIM register. | ||
0101 | Add the PTGADJ register contents to the PTGL0 register. | ||
0110 | Reserved; do not use. | ||
0111 | Reserved; do not use. | ||
PTGCOPY (1) | 1000 | Copy the PTGHOLD register contents to the PTGC0LIM register. | |
1001 | Copy the PTGHOLD register contents to the PTGC1LIM register. | ||
1010 | Copy the PTGHOLD register contents to the PTGT0LIM register. | ||
1011 | Copy the PTGHOLD register contents to the PTGT1LIM register. | ||
1100 | Copy the PTGHOLD register contents to the PTGSDLIM register. | ||
1101 | Copy the PTGHOLD register contents to the PTGL0 register. | ||
1110 | Reserved; do not use. | ||
1111 | Reserved; do not use. | ||
PTGWHI (1) or
PTGWLO (1) | 0000 | PTGI0 (see Table 24-3 for input assignments). | |
••• |
••• | ||
1111 | PTGI15 (see Table 24-3 for input assignments). | ||
PTGIRQ (1) | 0000 | Generate PTG Interrupt 0. | |
••• |
••• | ||
0111 | Generate PTG Interrupt 7. | ||
1000 | Reserved; do not use. | ||
••• |
••• | ||
1111 | Reserved; do not use. | ||
PTGTRIG | 0000 | PTGO0 (see Table 24-4 for input assignments). | |
0001 | PTGO1 (see Table 24-4 for input assignments). | ||
••• |
••• | ||
1110 | PTGO30 (see Table 24-4 for input assignments). | ||
1111 | PTGO31 (see Table 24-4 for input assignments). | ||
PTGWHI (1) or
PTGWLO (1) | 0000 | PTGI0 (see specific device data sheet for interrupt assignments). | |
••• |
••• | ||
1111 | PTGI15 (see specific device data sheet for interrupt assignments). | ||
PTGIRQ (1) | 0000 | Generate PTG Interrupt 0 (see specific device data sheet for interrupt assignments). | |
••• |
••• | ||
0111 | Generate PTG Interrupt 7 (see specific device data sheet for interrupt assignments). | ||
1000 | Reserved; do not use. | ||
••• |
••• | ||
1111 | Reserved; do not use. | ||
PTGTRIG | 0000 | PTGO0 (see specific device data sheet for interrupt assignments). | |
0001 | PTGO1 (see specific device data sheet for interrupt assignments). | ||
Note:
|
PTG Input Number | PTG Input Description |
---|---|
PTG Trigger Input 0 | Trigger Input from PWM1 ADC Trigger 2 |
PTG Trigger Input 1 | Trigger Input from PWM2 ADC Trigger 2 |
PTG Trigger Input 2 | Trigger Input from PWM3 ADC Trigger 2 |
PTG Trigger Input 3 | Trigger Input from PWM4 ADC Trigger 2 |
PTG Trigger Input 4 | Reserved |
PTG Trigger Input 5 | Trigger Input from PWM6 ADC Trigger 2 |
PTG Trigger Input 6 | Reserved |
PTG Trigger Input 7 | Trigger Input from SCCP4 OCMP Output |
PTG Trigger Input 8 | Trigger Input from SCCP5 OCMP Output |
PTG Trigger Input 9 | Trigger Input from Comparator 1 |
PTG Trigger Input 10 | Trigger Input from Comparator 2 |
PTG Trigger Input 11 | Trigger Input from Comparator 3 |
PTG Trigger Input 12 | Trigger Input from CLC1 |
PTG Trigger Input 13 | Trigger Input ADC Done Group Interrupt |
PTG Trigger Input 14 | Trigger Input from CLC2 |
PTG Trigger Input 15 | Trigger Input from INT2 PPS |
PTG Output Number | PTG Output Description |
---|---|
PTGO0 to PTGO11 | Reserved |
PTGO12 | ADC TRGSRC[30] |
PTGO13 to PTGO23 | Reserved |
PTGO24 | PPS Output RP46 |
PTGO25 | PPS Output RP47 |
PTGO26 | PPS Input RP6 |
PTGO27 | PPS Input RP7 |
PTGO28 to PTGO31 | Reserved |