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LP5521 Datasheet(PDF) 35 Page - Texas Instruments

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Part # LP5521
Description  LP5521 Programmable Three-Channel LED Driver
PDF  48 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

LP5521 Datasheet(HTML) 35 Page - Texas Instruments

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35
LP5521
www.ti.com
SNVS441H – JANUARY 2007 – REVISED MAY 2016
Product Folder Links: LP5521
Submit Documentation Feedback
Copyright © 2007–2016, Texas Instruments Incorporated
7.6.14 RESET Register
Address 0DH
Reset value 00H
Table 34. RESET Register
7
6
5
4
3
2
1
0
RESET
RESET
RESET
RESET
RESET
RESET
RESET
RESET
NAME
BIT
ACCESS
ACTIVE
DESCRIPTION
RESET
7:0
W
Reset all register values when FFH is written. No acknowledge from LP5521
after write.
7.6.15 GPO Register
Address 0EH
Reset value 00H
Table 35. GPO Register
7
6
5
4
3
2
1
0
INT_AS_GPO
GPO
INT
NAME
BIT
ACCESS
ACTIVE
DESCRIPTION
INT_AS_GPO
2
R/W
High
Enable INT pin GPO function
GPO
1
R/W
High
GPO pin state:
0 = LOW
1 = HIGH
INT
0
R/W
High
INT pin state (when INT_AS_GPO=1):
0 = LOW
1 = HIGH
7.6.16 Program Memory
Address 10H – 6FH
Reset values 00H
Please see LED Controller Programming Commands for further information.
Command
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Ramp
Wait
0
Pre-
scale
Step time
Sign
Increment
Set PWM
0
1
0
PWM Value
Go toStart
0
0
0
0
0
0
0
0
0
0
0
Branch
1
0
1
Loop Count
X
Step number
End
1
1
0
Int
Reset
X
Trigger
1
1
1
Wait for trigger on channels 5-0
Send trigger on channels 5-0
X



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