AN3393 datasheet(61/103 Pages) STMICROELECTRONICS

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AN3393

Operation codes

103

This command affects or is affected by the following registers:

–

PRy: Program and Reset pointer addresses;

–

THRS1_y: Threshold 1 limit value.

6.2.9

OUTC (88h)

OUTC stands for output command. This command sets the outputs to the output registers.

The OUTC command has no parameters and it is an “Immediately executed” type.

An interrupt is triggered when the OUTC command is performed.

Actions:

OUTSy is updated to the selected temporary mask value.

Set output signal: STAT, bit INT_SMy = 1.

If SETTy, bit P_DET = 1: PEAKy = 0.

This command affects or is affected by the following registers:

–

MASKy_A and MASKy_B: Axis mask filter values;

–

OUTSy: Output value of State Machine y;

–

STAT, bit INT_SMy: Interrupt indicator of State Program y;

–

SETTy, bit P_DET: Peak detection settings;

–

PEAKy: Peak output value;

–

PRy: Program and Reset pointer addresses.

6.2.10

OUTW (99h)

OUTW stands for “output command and acknowledge from host”.

This command performs output actions (like the OUTC command) generating an interrupt.

After that, the command waits for a host action before continuing the state machine

execution.

The host action is the reading of register OUTSy (5Fh / 7Fh).

This command has no parameters and it is an “Executed after trigger” type.

Actions;

OUTSy is updated to selected temporary mask value.

Set output signals:

–

STAT, bit INT_SMy = 1;

–

STAT, bit SYNCW = 1.

Stop and wait\;

Waits for reading of OUTSy register for release of interrupt information:

–

If OUTSy > 0 then wait for the releasing of the OUTSy register (State Machine y

waits for host actions).

If OUTSy released, OUTSy == 0:

–

STAT, bit SYNCW = 0;

–

STAT, bit INT_SMy = 0.

If SETTy, bit P_DET = 1: PEAKy = 0.

Continue State Machine y execution.

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