lp5526tlx National Semiconductor Corporation, lp5526tlx Datasheet - Page 30

• Manufacturer Part Number: lp5526tlx
• Description: Lighting Management Unit With High Voltage Boost Converter With Up To 150ma Serial Flash Led Driver
• Manufacturer: National Semiconductor Corporation

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LP5526 Register Bit Explanations
MAIN CURRENT (04H) – MAIN CURRENT CONTROL REGISTER
SUB CURRENT (05H) – SUB CURRENT CONTROL REGISTER
GPIO CONTROL (06H) – GPIO CONTROL REGISTER
GPIO DATA (07H) – GPIO DATA REGISTER
RW - 0
RW - 0
R - 0
R - 0
D7
D7
D7
D7
R - 0
D6
R - 0
RW - 0
RW - 0
EN_PWM_PIN
OEN[2:0]
D6
D6
D6
R - 0
DATA[2:0]
D5
R - 0
RW - 0
RW - 0
D5
D5
D5
Bit 4
Bits 2-0
MAIN[7:0],
0000 0000
0000 0001
0000 0010
0000 0011
0000 0100
1111 1101
1111 1110
1111 1111
SUB[7:0]
…
EN_PWM_PIN
MAIN, SUB current adjustment
Bits 2-0
RW - 0
R - 0
0 – External PWM pin disabled
1 – External PWM pin enabled
0 – GPIO pin set as a input
1 – GPIO pin set as a output
D4
RW - 0
RW - 0
D4
D4
D4
MAIN[7:0]
Typical driver current (mA)
SUB[7:0]
(Continued)
GPIO data register bits
30
R - 0
D3
RW - 0
RW - 0
R - 0
D3
D3
25.3
25.4
25.5
D3
0.1
0.2
0.3
0.4
…
0
RW - 0
D2
RW - 0
RW - 0
RW - 0
D2
D2
D2
DATA[2:0]
RW - 0
OEN[2:0]
RW - 0
RW - 0
RW - 0
D1
D1
D1
D1
RW - 0
RW - 0
RW - 0
RW - 0
D0
D0
D0
D0