TMG3992 datasheet(69/96 Pages) OSRAM

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[v1-06] 2018-Feb-27

TMG3992 − Register Description

Configuration Register A0 (CONFIG_A0),

Gesture Mode

This register value is compared with Proximity value, PDATA, to

determine if the gesture state machine is entered. The

proximity persistence filter, PPERS, is not used to determine

gesture state machine entry.

Figure 73:

Configuration Register A0

Configuration Register A1 (CONFIG_A1),

Gesture Mode

The Gesture Exit Threshold Register value is compared all

non-masked gesture detection photodiodes (NSWE). Gesture

state machine exit is also governed by the value in the Gesture

Exit Persistence register, GEPERS.

Figure 74:

Configuration Register A1

765

432

GPENTH

Field

Bits

Description

GPENTH

7:0

Gesture Proximity Entry Threshold. This register sets the Proximity

threshold value used to determine a “gesture start” and subsequent entry

into the gesture state machine.

765

432

GEXTH

Field

Bits

Description

GEXTH

7:0

Gesture Exit Threshold. This register sets the threshold value used to

determine a “gesture end” and subsequent exit of the gesture state

machine. Setting GEXTH to 0x00 will prevent gesture exit until GMODE is

set to 0.

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