Master Bug: PWM panel support and spec sheets for DP32020A DP3264S DP3269S DP3364S DP3367S_CN DP3369S FM6373 iCN2038S ICN2053 MBI5038 MBi5152 MBI5153 MBI5253 MBI5264 MBI5353

[kbateam]

Does anybody sucessfull make control led matrix 64x32 with mbi5153 (icn2053) led driver ic
New matrix P5 64x32 comes with new IC led driver (Same as P2.5 matrix)
P5 Matrix with mbi5038 (icn2038) ic led driver works fine on this project (only transform passed)
Any idea ?
Thanks.

[hzeller]

I have not seen such panels yet. Do you have a link to a source ?

[kbateam]

I can make photo pcb of this matrix.
So. i parsed some datatsheet of mbi IC
Signal OE is not use. It's replaced by GCLK,
this ic led driver has hardware 14bit (or 13bit) PWM GrayCycle on each other output (0..15)
As I understand chip need to be preload configuration every time as power up. (load some parameters such scan rate 1/4, 1/8 e.t.c)
also every time after load data on SDI cycle, need load PWM data for each output(0..15)
and after that need send vsync command to latch data to output pins.
P.S Can upload some datasheet which i found on internet.

[kbateam]

Photo of new P5 64x32 module
Photo of old P5 64x32 module
Photo both old and new P5 64x32 module

Here is some datasheets
MBI5038.pdf
icn2038s.pdf
ICN2053.pdf
MBI5153.pdf
mbi5152.pdf
mbi5152_appnote.pdf

Comments
mbi5153 same as mbi5152 difference mbi5153 support 1/32 scan and has 16Kbits SRAM
mbi5152_appnote is common algorithm to initialize chip
mbi5038 and icn2038 led drivers used on old led matrix and they works fine with this project

Updated this post (upload datasheet ICN2053 led driver chip)

[raphaelfacredyn]

Hi @kbateam this is off topic but I would like to know if the old p5 display you bought was this one or an equivalent? This is because I want to buy this one. The drivers are the same so I think they are the same but I am not sure.

Also, what does only "transform passed" mean in your first post?

I am sorry this is off topic but I could not find your email or any other way of contacting you :|

Thank you for your help in advance

[kbateam]

To @raphy1234
Follow by your link is different hardware P5 outdor matrix module that i have.
With china production is difficult to buy right matrix module.
(Be shure , and ask your seller to send real photos of pcb matrix module)
On offical site macroblock owner MBI tm is not present MBI5154 ic chip.
It seems to be MBI5153 ic chip.

Also, what does only "transform passed" mean in your first post?

It means for right working this led matrix module on project which wrote hzeller need wrtie
logical transofrmation procedure, cause matrix module splited on logical submodules (for expample 2x(32x32), 4x(16x32) e.t.c)

Here is my transform for modules that i have P5 64x32 1/8scan outdoor based on icn2038 ic led driver (MBI5038)
transformer.cc
led-matrix.cc

[kbateam]

Countinue for my theme
If someone have any idea, will very grateful.

[hzeller]

Interestingly, on this document http://pmod86499.pic35.websiteonline.cn/upload/Q4F32V1.pdf there is a
CS mentioned on pin 16. It doesn't say if it is high or low logic. According to Google translate, the 消隐信号 label next to it mean "Blanking Signal".

Can someone who has such a panel try to pull 16 high, by connecting that pin with 5V ?

[hzeller]

@birdtechstep can you try if changing the logic level on Pin 16 changes anything ?

[birdtechstep]

@hzeller chip select (cs pin) active low

[birdtechstep]

@hzeller My friend dev. on stm32 said SetBits strobe hi on columns_-4 (led_width-4)

[hzeller]

can you elaborate? The only place where things are strobed is already high logic.

[birdtechstep]

add lib/framebuffer.cc (line 587 ) work.

582      for (int col = 0; col < columns_; ++col) {
583        const gpio_bits_t &out = *row_data++;
584        io->WriteMaskedBits(out, color_clk_mask);  // col + reset clock
585        io->SetBits(h.clock);               // Rising edge: clock color in.
586
587        if (col == columns_-4) io->SetBits(h.strobe); // ICN2038S : Bird Techstep
588      }
589      io->ClearBits(color_clk_mask);    // clock back to normal.

[hzeller]

Interesting. This looks like it requires further digging in the datasheet what they actually need there because it looks like if it works that it is by accident. If we have decoded the full thing we can recreate it by making a new RowAddressSetter for this kind of panel.

Can others confirm that this improves the situation ?