CAP1166 datasheet(63/79 Pages) MICROCHIP

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CAP1166

DS00001621B-page 63

 2015 Microchip Technology Inc.

Bits 3 - 0 - DIR_OFF_DLY[3:0] - Determines the turn-off delay, as shown in Table 6-65, for all LEDs that are configured

to operate in Direct behavior mode.

The Direct behavior operation is determined by the combination of programmed Rise Time, Fall Time, Min and Max Duty

cycles, Off Delay, and polarity. Figure 6-7 shows the behavior for non-inverted polarity (LEDx_POL = 1) while Figure 6-

8 shows the behavior for inverted polarity (LEDx_POL = 0).

TABLE 6-64:

BREATHE OFF DELAY SETTINGS

BR_OFF_DLY [2:0]

OFF Delay

0 (default)

0.25s

0.5s

0.75s

1.0s

1.25s

1.5s

2.0s

FIGURE 6-7:

Direct Behavior for Non-Inverted Polarity

FIGURE 6-8:

Direct Behavior for Inverted Polarity

Norm al –

untouched

operation

RISE_RATE

Setting (tRISE)

(100% - M ax D uty

C ycle) * B rightness

Touch

Detected

R elease

Detected

O ff D elay

(tOFF_DLY)

FA LL_R A T E

S etting (tFALL)

N orm al –

untouched

operation

(100% - M in D uty C ycle) *

Brightness

LE D

B rightness

Norm al –

untouched

operation

RISE _RATE

Setting (tRISE)

M in D uty C ycle * Brightness

Touch

Detected

R elease

Detected

O ff D elay

(tOFF_DLY)

FA LL_RA TE

S etting (tFALL)

Norm al –

untouched

operation

M ax D uty C ycle * Brightness

LED

Brightness

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