CAP1133 datasheet(50/63 Pages) MICROCHIP

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CAP1133

DS00001625B-page 50

 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).

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

TABLE 6-65:

OFF DELAY DECODE

OFF Delay[3:0] Bit Decode

OFF Delay (tOFF_DLY)

250ms

500ms

750ms

TABLE 6-64:

BREATHE OFF DELAY SETTINGS (CONTINUED)

BR_OFF_DLY [2:0]

OFF Delay

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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