LP3952 Datasheet, PDF (32/46 Pages) National Semiconductor (TI) – 6-Channel Color LED Driver with Audio Synchronization

LP3952
SNVS518A – JULY 2007 – REVISED MARCH 2013
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ADDR
(HEX)
0B
0C
0D
0E
10
11
12
13
2A
2B
50
51
52
53
54
55
56
57
58
59
5A
5B
5C
Table 6. LP3952 Control Register Names and Default Values (continued)
REGISTER
Enables
ADC
output
Boost
output
Boost_frq
Pattern gen
ctrl
RGB1 max
current
RGB2 max
current
Audio sync
CTRL1
Audio sync
CTRL2
Command
1A
Command
1B
Command
2A
Command
2B
Command
3A
Command
3B
Command
4A
Command
4B
Command
5A
Command
5B
Command
6A
Command
6B
Command
7A
D7
D6
nstby
0
0
0
0
0
gain_sel[2:0]
0
0
r[2:0]
0
0
cet[1:0]
0
0
r[2:0]
0
0
cet[1:0]
0
0
r[2:0]
0
0
cet[1:0]
0
0
r[2:0]
0
0
cet[1:0]
0
0
r[2:0]
0
0
cet[1:0]
0
0
r[2:0]
0
0
cet[1:0]
0
0
r[2:0]
0
0
D5
D4
D3
D2
D1
D0
en_
boost
0
0
1
data[7:0]
0
0
boost[7:0]
1
1
en_
autoload
1
0
1
Do not use
ir1[1:0]
0
0
ir2[1:0]
0
0
sync_mode
0
0
en_avg
0
0
0
b[2:0]
0
0
0
0
b[2:0]
0
0
0
0
b[2:0]
0
0
0
0
b[2:0]
0
0
0
0
b[2:0]
0
0
0
0
b[2:0]
0
0
0
0
1
rgb_start
0
ig1[1:0]
0
0
ig2[1:0]
0
0
en_agc
en_sync
0
0
mode_ctrl[1:0]
0
0
g[2:0]
0
0
0
0
g[2:0]
0
0
0
0
g[2:0]
0
0
0
0
g[2:0]
0
0
0
0
g[2:0]
0
0
0
0
g[2:0]
0
0
0
0
g[2:0]
0
0
rgb_sel[1:0]
0
0
0
0
1
1
freq_sel[2:0]
1
1
loop
log
0
0
ib1[1:0]
0
0
ib2[1:0]
0
0
input_sel[1:0]
1
1
speed_ctrl[1:0]
0
0
cet[3:2]
0
0
tt[2:0]
0
0
cet[3:2]
0
0
tt[2:0]
0
0
cet[3:2]
0
0
tt[2:0]
0
0
cet[3:2]
0
0
tt[2:0]
0
0
cet[3:2]
0
0
tt[2:0]
0
0
cet[3:2]
0
0
tt[2:0]
0
0
cet[3:2]
0
0
32
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