ADP5350ACPZ-1-R7 datasheet(51/63 Pages) AD

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Data Sheet

ADP5350

Rev. B | Page 51 of 63

Table 63. ILED5_SET, Register Address 0x2C Bit Descriptions

Bit No.

Mnemonic

Access

Default

Description

BL_LED5

R/W

This bit sets LED5 as the grouped backlight or individual current sink.

0 = set as individual current sink.

1 = set as grouped backlight.

Not used

Not used.

[5:0]

ILED5[5:0]

R/W

000000

Those bits set the individual LED current setting for LED5. This

setting is not effective if LED5 is configured as the grouped LED

backlight. A square law algorithm for 64 levels is used.

000000 = 0 mA.

000001 = 0.005 mA.

000010 = 0.020 mA.

…

111101 = 18.750 mA.

111110 = 19.370 mA.

111111 = 20 mA.

Table 64. BL_FR, Register Address 0x2D Bit Descriptions

Bit No.

Mnemonic

Access

Default

Description

[7:4]

BL_FO[3:0]

R/W

0000

These bits set the fade out timer for the grouped LED backlight. The

timer setting applies to the specific time starting from the maximum

LED current code fade out to zero. Therefore, the real fade out time is

shorter if the maximum LED current code is not being used.

0000 = fade-out disabled.

0001 = 0.3 sec.

0010 = 0.6 sec.

…

1101 = 3.9 sec.

1110 = 4.2 sec.

1111 = 4.5 sec.

[3:0]

BL_FI[3:0]

R/W

0000

These bits set the fade in timer for the grouped LED backlight. The

timer setting applies to the specific time starting from zero fading

into the maximum LED current code. Therefore, the real fade in time

is shorter if the maximum LED current code is not being used.

0000 = fade in disabled.

0001 = 0.3 sec.

0010 = 0.6 sec.

…

1101 = 3.9 sec.

1110 = 4.2 sec.

1111 = 4.5 sec.

Table 65. LED3_BLINK, Register Address 0x2E Bit Descriptions

Bit No.

Mnemonic

Access

Default

Description

[7:4]

LED3_OFF[3:0]

R/W

0000

These bits set the off timer for the LED3 blinking feature (not

effective if this LED channel is configured as the grouped LED

backlight).

0000 = the blinking feature is disabled.

0001 = 0.250 sec.

0010 = 0.500 sec.

0011 = 0.750 sec.

…

1110 = 3.500 sec.

1111 = 3.750 sec.

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