Repair Nokia 3510i / 3530

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• this page deals with connecting an s1d 15g14-based display (found in nokia 3510i/3530 cellphones) to a parallel port and drive it using serdisplib
• i'm not responsible for the content of external web pages
• external web pages will generally open in separate browser windows or tabs
• english is not my native language. please keep that in mind (corrections of english grammar and formulations are very welcome!)
• email: mrwastl at users.sourceforge.net

s1d 15g14:

nota bene

colour-mode displays require a rather high throughput which isn't provided by parallel ports. because of this the update speed is not very fast!

description

s1d15g14-based displays used in nokia 3510i / 3530 cellphones.

specifications
resolution	97x65
colours	256, 4096
controller	S1D15G14
adjustable contrast	yes
name in serdisplib	"N3510I" , "N3530" (example: serdisp_init(sdcd, "N3510I", ""); )

some images

output generated by graphlcd (standard settings: white background, black drawing colour)	output generated by graphlcd (inverted, drawing colour yellow results in light blue when inverted)
shadow man (© by redhat) rendered by multidisplay	daggett from angry beavers (© by nickelodeon), rendered using multidisplay
image (gwen stefani) displayed using multidisplay	test output generated by multidisplay on a solaris 10 box

top ^

connecting a nokia 3510i / 3530 display to the parallel port:

intro

the wiring is based on the wiring of optrex 323 and pcd8544-based displays to the parallel port. as i didn't know of any other projects like this (with nokia 3510i/3530 displays connected to the parallel port) i had to chose a wiring-'standard' for myself.

wiring

signals:

                      +------------------------+
                   |     1 2 3 4 5 6 7 8    |
                   |     # # # # # # # #    |             1 .. /RES
                   |  ===#=#=#=#=#=#=#=#==  |             2 .. /CS
                   +--====================--+             3 .. GND
                   |                        |             4 .. SI (SDATA)
                   |                        |             5 .. SCLK
                   |        rear view       |             6 .. Vio
                   |  connector is visible  |             7 .. Vflash
                   |                        |             8 .. Vout
                   |         N3510i         |          
                   |                        |
                   +------------------------+


Signal name  PC            LCD     Signal name
---------------------------------------------------------
Data 0       2              4      SI     serial data input of LCD
Data 1       3              5      SCLK   serial clock line of LCD
Data 2       4              2      /CS    chip select
Data 5       7              1      /RES   active low reset
Data 7       9              -             Backlight (optional, not on display)
Ground      18              3      GND    Ground for printer port and display voltages
            --              6      Vio    1.8V chip power
            --              7      Vflash 2.8V display power
            --              8      Vout   output of display-internal dc/dc converter
                                          (Vout -> capacitor -> GND   to avoid noise)
 

circuits:

connecting n3510i/3530 displays to the parallel port

part list:

    Part#   Type                Value                  Annotation
 ---------------------------------------------------------------------------------------
 R1-R5   Resistor            1 kOhm
 R6      Var.Resistor        eg. 100 Ohm            or higher value if needed;
                                                    or simply a resistor with fixed value
 C1      Capacitor           eg. 0.1 uF             for stabilisation of display
                                                    (0.22 uF or other values are fine just as well)
 T1      Transistor          eg. BC547 
 D1      Diode               eg. 1N4148


 

remarks:

R5, R6, T1, D1 are needed in combination with LED background light only!
be warned: without background light the display is hardly readable!

V_io ought to be connected to 1.8V but I did quite well without even connecting it.
as always: just because it worked for me doesn't mean that it will work for you!

i used the original SMD-leds from the Nokia 3510i cellphone. they needed some value around 3.1V.
as i didn't like to generate two voltages, i also connected V_flash to 3.1V (rather than connecting it to the recommended 2.8V)

and one again: just because it worked for me doesn't mean that it will work for you!
if your display dies in flames don't blame me.

hardware reset vs. software reset:

to save one wire it is possible to replace the /RES-wire through a R/C-circuit.

part-list is the same as above with the following exceptions:

    Part#   Type                Value                  Annotation
 ---------------------------------------------------------------------------------------
 R4      Resistor            10 kOhm
 C2      Capacitor           10 uF

  

connecting n3510i/3530 displays using hardware reset

pro

one wire less

contra

display can no longer be reset by software