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NCV74300V3GEVK

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NCV7430
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28
Get_LED_Control
This command reads the control bits conform a two byte in frame command structure.
Table 21. Get_LED_Control READING FRAME
Byte Content
Structure
Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
0 Identifier 0 0 1 0 0 0 0 0
1 Data 1 1 1 AD[5:0]
2 Data 2 8’hFF
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Get_LED In frame response 1
Byte Content
Structure
Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
0 Identifier 0 1 0 1 0 0 0 0
1 Data 1 1 1 AD[5:0]
2 Data 2 CAL_EN LED_MOD_
FREQ
LEDs
ON/OFF
TH CONT LED3
ENABLE
LED2
ENABLE
LED1
ENABLE
1
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Set_LED_Control
This command is the overall control command to switch the LEDs on and off.
Table 22. Set_LED_Control WRITING FRAME
Byte Content
Structure
Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
0 Identifier 1 0 1 0 0 0 1 1
1 Data 1 Broad 1 AD[5:0]
2 Data 2 GROUP[7:0]
3 Data 3 GROUP[15:8]
4 Data 4 CAL_EN LED_MOD_
FREQ
LEDs
ON/OFF
TH CONT LED3
ENABLE
LED2
ENABLE
LED1
ENABLE
1
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Where:
Broad: Broad = ‘0’ all the circuits connected to the LIN bus will only evaluate the GROUP[15:0] bits and will act if its
appropriate GROUP_ID bit indicated by OTP is matching . This command is executed immediately.
NCV7430
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29
Set_Color
When CAL_EN is set to ‘0’, the real value for the color setting is written into the LED modulation register. When CAL_EN is
set to ‘1’ the received 8 bit values are first corrected by the matrix calculation and then applied to the LED modulation registers.
Table 23. Set_Color WRITING FRAME
Byte Content
Structure
Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
0 Identifier 0 1 1 0 0 1 0 0
1 Data 1 Broad 1 AD[5:0]
2 Data 2 GROUP[7:0]
3 Data 3 GROUP[15:8]
4 Data 4 UPDATE
COLOR[1]
UPDATE
COLOR[0]
Fading time[5:0]
5 Data 5 FADING
ON/OFF
FADING*
SLOPE
LEDs
ON/OFF
1 Intensity[3:0]
6 Data 6 LED color value LED 1 [7:0]
7 Data 7 LED color value LED 2 [7:0]
8 Data 8 LED color value LED 3 [7:0]
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Where:
Broad: Broad = ‘0’ all the circuits connected to the LIN bus will only evaluate the GROUP[15:0] bits and will act if its
appropriate GROUP_ID bit indicated by OTP is matching.
The update of the LED colors is determined by UPDATECOLOR[1:0]
00 immediate update
01 store and do not update
10 update to the already stored values
11 discard
Set_Color_Short
The Set_Color_Short command is used to set the LED colors directly for the four groups that are indicated. This command
is short and does not contain all the parameters as used in the Set_Color command. Only four groups can be approached, so
the NCV7430 needs to be programmed as member of one of these groups:
(lowest two bits of GROUP_ID in OTP; GROUP_ID0 and GROUP_ID1; presenting 0 to 3 for color).
NOTE: This command is always acting towards groups. Individual node addresses are not implemented.
Table 24. Set_Color_Short WRITING FRAME
Byte Content
Structure
Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
0 Identifier 0 1 1 0 1 1 1 1
1 Data 1 LED color value LED 1 [7:0]
2 Data 2 LED color value LED 2 [7:0]
3 Data 3 LED color value LED 3 [7:0]
4 Data 4 1 1 1 1 COLOR_GROUP[3:0]
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*Fading Scope = 0 = logarithmic
= 1 = linear
Choose either 0 or 1 when setting control for intensity
Fading Slope must be set to ’1’ for color control (only Linear is allowed).
NCV7430
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30
Set_Intensity
The Set_Intensity command is used to set the LED colors directly for the groups that are indicated. Only four groups can
be approached, so the NCV7430 needs to be programmed as member of one of these groups:
(higher two bits of GROUP_ID in OTP; GROUP_ID2 and GROUP_ID3; presenting group 0 to 3 for intensity).
NOTE: This command is always acting towards groups. Individual node addresses are not implemented.
Table 25. Set_Intensity WRITING FRAME
Byte Content
Structure
Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
0 Identifier 0 0 1 0 1 1 1 0
1 Data 1 INTENSITY_GROUP[3:0] Intensity[3:0]
2 Data 2 1 1 Fading time[5:0]
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Set_ Primary _Cal_Param
Using a four byte command structure. These registers are updated as default from OTP after a power on reset.
Table 26. Set_Primary_Cal_ Param WRITING FRAME
Byte Content
Structure
Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
0 Identifier 0 0 1 0 0 1 0 1
1 Data 1 1 1 AD[5:0]
2 Data 2 LED modulation Calibration value a11[7:0]
3 Data 3 LED modulation Calibration value a22[7:0]
4 Data 4 LED modulation Calibration value a33[7:0]
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Set_ Secondary_Cal _Param
Using an eight byte command structure. These registers are updated as default from OTP after a power on reset.
Table 27. Set_ Secondary _Cal_Param WRITING FRAME
Byte Content
Structure
Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
0 Identifier 0 1 1 1 0 1 1 0
1 Data 1 1 1 AD[5:0]
2 Data 2 LED modulation Calibration value a12[7:0]
3 Data 3 LED modulation Calibration value a13[7:0]
4 Data 4 LED modulation Calibration value a21[7:0]
5 Data 5 LED modulation Calibration value a23[7:0]
6 Data 6 LED modulation Calibration value a31[7:0]
7 Data 7 LED modulation Calibration value a32[7:0]
8 Data 8 0xFF
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P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P30P31-P33

NCV74300V3GEVK

Mfr. #:
Buy NCV74300V3GEVK
Manufacturer:
ON Semiconductor
Description:
LED Lighting Development Tools LIN RGB HIGH CURRENT EVB
Lifecycle:
New from this manufacturer.
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