LP3954 Datasheet, PDF (45/56 Pages) National Semiconductor (TI) – Advanced Lighting Management Unit

ENABLES (0BH) – ENABLES REGISTER
D7
D6
D5
D4
pwm_sync
nstby
en_boost
rw-0
rw-0
rw-0
r-0
D3
D2
D1
D0
en_autoload
rgb_sel[1:0]
r-0
rw-1
rw-0
rw-0
pwm_sync
nstby
en_boost
en_autoload
rgb_sel[1:0]
Bit 7
Bit 6
Bit 5
Bit 2
Bits 1-0
0 – synchronization to external clock disabled
1 – synchronization to external clock enabled
0 – LP3954 standby mode
1 – LP3954 active mode
0 – boost converter disabled
1 – boost converter enabled
0 – internal boost converter active load off
1 – internal boost converter active load on
Color LED control mode selection
rgb_sel[1:0]
Audio sync
Pattern generator
connected to
connected to
00
none
RGB1 & RGB2
01
RGB1
RGB2
10
RGB2
RGB1
11
RGB1 & RGB2
none
ADC_OUTPUT (0CH) – ADC DATA REGISTER
D7
D6
D5
D4
D3
D2
D1
D0
data[7:0]
r-0
r-0
r-0
r-0
r-0
r-0
r-0
r-0
data[7:0]
Bits 7-0 Data register ADC (Audio input, light or temperature sensors)
45
www.national.com