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LM4970 Datasheet(PDF) 8 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor. Click here to check the latest version.
Part # LM4970
Description  Audio Synchronized Color LED Driver
PDF  15 Pages
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Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

LM4970 Datasheet(HTML) 8 Page - National Semiconductor (TI)

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Application Information
TABLE 1. Color LED Driver Chip Address
A7
A6
A5
A4
A3
A2
A1
A0
Chip Address
111101
EC
0
ADR = 0
1111010
0
ADR = 1
1111011
0
EC - externally configured by ADR pin
TABLE 2. Color LED Driver Control Registers
Register Name
D7
D6
D5
D4
D3
D2
D1
D0
Mode Select
0
0
0
MS4
MS3
MS2
MS1
MS0
Frequency Select
0
1
0
FS4
FS3
FS2
FS1
FS0
Pattern Select
1
1
1
PS4
PS3
PS2
PS1
PS0
Current Select
1
0
CS5
CS4
CS3
CS2
CS1
CS0
Gain Select
1
1
GS5
GS4
GS3
GS2
GS1
GS0
201212F4
FIGURE 2. I
2C Timing Diagram
201212F5
FIGURE 3. I
2C Bus Format
www.national.com
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