LP3952RLSLASHNOPB datasheet(36/46 Pages) TI1

36 / 46 page

LP3952

SNVS518A – JULY 2007 – REVISED MARCH 2013

www.ti.com

BOOST_OUTPUT (0DH) – BOOST OUTPUT VOLTAGE CONTROL REGISTER

Boost[7:0]

rw-0

rw-1

Adjustment

Boost[7:0]

Typical boost output (V)

0000 0000

4.00

0000 0001

4.25

0000 0011

4.40

Boost[7:0]

Bits 7-0

0000 0111

4.55

0000 1111

4.70

0001 1111

4.85

0011 1111

5.00 (default)

0111 1111

5.15

1111 1111

5.30

BOOST_FRQ (0EH) – BOOST FREQUENCY CONTROL REGISTER

freq_sel[2:0]

r-0

rw-1

Adjustment

freq_sel[2:0]

Frequency

freq_sel[2:0]

Bits 7-0

1xx

2.00 MHz

01x

1.67 MHz

00x

1.00 MHz

PATTERN_GEN_CTRL (11H) – PATTERN GENERATOR CONTROL REGISTER

en_blink

rgb_start

loop

log

r-0

rw-0

0 - blinking sequences start bit disabled

en_blink

Bit 3

1 - blinking sequences start bit enabled

0 – pattern generator disabled

rgb_start

Bit 2

1 – execution pattern starting from command 1

0 – pattern generator loop disabled (single pattern)

loop

Bit 1

1 – pattern generator loop enabled (execute until stopped)

0 – color intensity mode 0

log

Bit 0

1 – color intensity mode 1

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