LP3943_15 Datasheet, PDF (12/25 Pages) Texas Instruments – RGB, White, Blue 16-LED Fun Light Driver

LP3943
SNVS256C – NOVMEBER 2003 – REVISED OCTOBER 2015
7.6 Register Maps
Address (Hex)
0x00
0x01
0x02
0x03
0x04
0x05
0x06
0x07
0x08
0x09
Table 1. LP3943 Register Table
Register Name
Input 1
Input 2
PSC0
PWM0
PSC1
PWM1
LS0
LS1
LS2
LS3
Read/Write
Read Only
Read Only
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Register Function
LED0–7 Input Register
LED8–15 Input Register
Frequency Prescaler 0
PWM Register 0
Frequency Prescaler 1
PWM Register 1
LED0–3 Selector
LED4–7 Selector
LED8–11 Selector
LED12–15 Selector
7.6.1 Binary Format for Input Registers (Read-only)—Address 0x00 and 0x01
Bit #
Default value
7
X
LED7
6
X
LED6
Table 2. Address 0x00
5
X
LED5
4
X
LED4
3
X
LED3
2
X
LED2
1
X
LED1
Bit #
Default value
7
X
LED15
6
X
LED14
Table 3. Address 0x01
5
X
LED13
4
X
LED12
3
X
LED11
2
X
LED10
1
X
LED9
7.6.2 Binary Format for Frequency Prescaler and PWM Registers — Address 0x02 to 0x05
Table 4. Address 0x02 (PSC0)
Bit #
7
6
5
4
3
2
1
Default value
0
0
0
0
0
0
0
Table 5. Address 0x03 (PWM0)
Bit #
7
6
5
4
3
2
1
Default value
1
0
0
0
0
0
0
Table 6. Address 0x04 (PSC1)
Bit #
7
6
5
4
3
2
1
Default value
0
0
0
0
0
0
0
Table 7. Address 0x05 (PWM1)
Bit #
7
6
5
4
3
2
1
Default value
1
0
0
0
0
0
0
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0
X
LED0
0
X
LED8
0
0
0
0
0
0
0
0
12
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