LP3958 Datasheet, PDF (25/36 Pages) National Semiconductor (TI) – Lighting Management Unit with High Voltage Boost Converter

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ADDR
(HEX)
00
01
02
03
04
05
06
07
0B
0D
2B
REGISTER
Control Register
Keypad
Keypad Max Current
WLED Control
MAIN Current
SUB Current
GPIO Control
GPIO Data
Enables
Boost Output
PWM Enable
LP3958
Table 5. LP3958 Control Register Names and Default Values
D7
D6
D5
D4
D3
SNVS423C – JANUARY 2006 – REVISED MARCH 2013
D2
D1
D0
KEYP_PWM
0
0
0
0
EN_KEYP
0
0
0
0
NSTBY
0
0
CC_SW
K1SW
K2SW
1
0
0
BALANCE[2:0]
BRIGHT[2:0]
0
0
0
0
IK1[1:0]
IK2[1:0]
0
0
0
0
SLOPE
FADE_SEL
EN_FADE
DISPL
0
0
0
0
MAIN[7:0]
0
0
0
0
SUB[7:0]
0
0
0
0
EN_PWM_PIN
0
0
EN_BOOST
0
0
0
EN_AUTOLOA
D
1
BOOST[7:0]
0
1
0
EN_EXT_K1_P EN_EXT_K2_P EN_EXT_K3_P
WM
WM
WM
0
0
0
K3SW
0
OVL
0
0
IK3[1:0]
0
0
EN_MAIN
EN_SUB
0
0
0
0
0
0
OEN[2:0]
0
0
DATA[2:0]
0
0
0
0
EN_MAIN_PW EN_SUB_PWM
M
0
0
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