SM18512PS Protocol and datasheet
Time:2023-05-02
Views:2039
1.SM18512PS, DMX512 RGB/ RGBW Driver IC Feature:
2.Pin Define and description:
3. The protocol Please check SM18512PS datasheet
■ SOP10 package,Four channel constant current output,default current 18mA/CH
■ Compatible with DMX512 (1990) Protocol
■ Differential signal data rate 200-750kbps
■ The PWM scanning frequency 4KHz
■ Max 4096 channel are addressable
■ First chip output red color and other chips output green color once writing address successfully.
■ First chip output red color and other chips output setting color once writing parameter successfully.
■ First chip output red color and other chips output yellow color once writing current gain successfully.
■ First chip output red color and other chips output purple color auto addressable successfully.
■ Chip address wire self inspection when it is open.
■ No signal input over 2 second, Display last frame effect or default effect.
■ Built-in channel 1/2/3/4 selection function
■ The R/G/B/W output ports withstand value max 40V
■Out R/G/B/W, 5bit current gain adjustable.
2.Pin Define and description:
|
No. |
Symbol |
Function description |
|
1 |
GND |
Ground |
|
2 |
ADRO |
Address enable signal output |
|
3-6 |
OUTW/R/G/B |
R/G/B/W Constant current output |
|
7 |
B |
Differential signal”-” input |
|
8 |
A |
Differential signal”+” input |
|
9 |
ADRI |
Address enable signal input |
|
7 |
VDD |
Power supply |
3. The protocol Please check SM18512PS datasheet
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