Texas Instruments TMS570LC4357

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1069
SPNU563A–March 2018
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High-End Timer (N2HET) Module
else
{
Register B = 0;
Data Field Register = 0;
If (ACF == 0) DCF = 1;
}
}
Z = 0;
If (Data field register == GapStart)
{
GPF = 1;
If (Target Edge condition is true)
{
ACF = 0;
If ((specified edge is not detected on pin HET[2]) AND (data
field register != 0) AND (ACF == 0) AND (angle increment condition
is true))
DCF = 1;
}
If (specified edge is detected on pin HET[2])
{
DCF = 0;
If ((target_edge_field != 0) AND (DCF == 0)) ACF = 1;
If (GPF == 1)
{
GPF = 0;
Z = 1;
If (Interrupt Enable == 1)
HETFLG[n] = 1; /* n depends on address */
If ([C28:C27] == 01)
Generate request on request line [P25:P23];;
If ([C28:C27] == 11)
Generate quiet request on request line
[P25:P23];
}
}
}
If ((target_edge_field != 0) and (pin_edge_cond == 1))
{
pin_update = 0;
}
else if (target_edge_field == 0)
{
pin_update = 1;
}
If (pin_update is true in next loop clock cycle)
{
Prv bit = Current Lx value of HET[2] pin;
}
Jump to next program address;
The specific interrupt flag that is triggered depends on the address from which the instruction is executed,
see Section 23.2.7.