**** FILE 76com.txt ****

This document gives the commmon hardware setup
for using an Epson SDU1376B0C evaluation board 
on a PCI bus PC, under windows, to demonstrate
various Kyocera color LCD modules.  You obtain
this board from Epson.  The KK5 interface
boards and the various cables are parts of a
Kyocera kit.  The color LCD modules are
available as products of Kyocera.  

A series of experiments were run at Kyocera to 
record the Epson SED1376 controller IC register 
settings during successful operation of various
Kyocera LCD modules.  The information in this
document is common to all these experiments. 

Each experiment has a specific document giving
specific setup information for that LCD module
and recording the resulting SED1376 register
settings.  These settings make minimum use of
SED1376 features and maximum use of supporting
features on the KK5 interface boards.  The idea
was to make the Kyocera LCD operate.  

People designing products can start with these 
register settings, and afterwards begin using
on-chip features such as MOD and voltage control
in place of the features on the KK5 boards.    

KEY POINTS
  Adjust the VDDH variable resistor as high as
    possible - all the way clockwise.  
  Set jumper JP6 for the logic voltage of 
    the LCD.  Current Kyocera 5.7 inch LCDs
    need 5V. Most other Kyocera LCDs need 3.3V


SDU1376BOC BOARD SWITCHES AND JUMPERS
  On the 10 position dip switch: 
      1,2,4 closed
      3,5,6,7,8,9,10 open.

  JP1 1-2 (only position)
  JP2 1-2 (lower position)
  JP3 1-2 (lower position)
  JP4 1-2 (left position)
  JP5 2-3 (upper position) VDDH control by
                           variable resistor
  JP6 x-x LCD logic voltage selection.
        1-2 provides 5.0V LCD logic for 5.7" panels
        2-3 provides 3.3V LCD logic and is used
           for most other panels.  Check KC specs.
  JP7 (open).
  
  VLCD variable resistor is irrelvant to Kyocera LCDs.
  
  VDDH variable resistor must be turned as far as
    possible clockwise to provide maximum LCD 
    voltage to the similar variable resistor "VOL1"
    on the Kyocera KK5 board, where actual adjustment
    is more convenmient.
  
   U6 socket happened to have a 6.000000 MHz crystal
   U7 socket happened to have a 40.000000 Mhz crystal
   U15 socket contained a device with a partially 
         legible white paper label, 1st line beginning 
         with "BE" and 2nd line saying "3.0"
       
CONNECTIONS
  Copy the eval board drivers (13xx) to an 
     out-of-the-way directory on the C: drive.
  Power-off.
  Connect a 40 pin ribbon cable to the board.
    (an standard IDE cable works fine).
  Connect the other end to the Kyocera KK-5
     board that you will be using, with
     display switch off and connect the LCD
     to the KK5 board.  
  Set the SDU board jumpers/switches as above.
  Insert the board in the PCI slot.
  Power-on.
  When prompted by Windows software, tell it
    where to find the 13xx drivers.  They
    seem to be good for all the SDU boards, 
    so you will only have to do this once.

KK5 BOARDS
  Consult the Kyocera demonstration kit manual,
     page 4-1, for a table of what KK-5 boards
     to use with what LCD modules.
  Note that all KK-5 boards are assumed to be
     for the Epson boards.  The difference is that 
     they must have the 40 pin connector on top,
     and not the 30 pin connector in the middle,
     as found on otherwise similar KK5 boards 
     intended for Kyocera demo controllers.
  All KK-5 boards have dip switches 2 and 5 on,
     others off to set a typical randomizing 
     frequency, generated on the KK-5 board.  
     The SED1376 also has this capability, but it 
     was not tested here.

REFERENCES
  Epson web site is www.erd.epson.com.
    It has up to date versions of the Epson manuals.
    There are separate manuals for the SDU1376BOC
    eval board, the SED1376 controller IC, and the
    various software programs. 
  The Kyocera LCD website is www.kyocera.com/lcd
     It has specifications for most LCD modules.
     Consult these specs for logic voltage,
     frame rate range, and pixel clock range,
     which you must set by jumper or configuration
     program.
     
     Consult these specs for required additional
     circuits such as "randomizing circuit"
     and bias voltage circuit.  If additional
     circuits are required by an LCD, then they 
     will be provided for demonstration on the
     KK5 interface board.  But the customer must
     provide them externally the final product.
     The MOD feature of the SED1376 IC can
     implement the requirement for a randomizing
     frequency, if you load its register properly.

1376CFG.exe
  This program is used to configure 1376BMP.exe
  for a specific LCD panel.  Then 1376BMP.exe
  is run to set the SED1376 IC registers and
  display the .bmp image you select.  Kyocera 
  has lots of LCDs, so I made lots of copies
  of 1376BMP.exe and renamed one for each
  specific LCD.  For example 76B-38.exe is
  a copy of 1376BMP.exe configured for Kyocera
  3.8 inch panels.

  There is no option for single/dual because the
  SED1376 IC only supports single.  640x480
  is not a realistic format, because the
  limited memory would limit it to 2 bit color.

  The first 9 rows of Kyocera's table 4-1 give
  settings that affect the signalling, so they
  must be set exactly by 1376CFG.  After that,
  you want the panel clock and the frame rate to
  be withing their ranges, as given in the Kyocera
  spec for the specific panel.  You probably want
  Non-Display-Period lines to be 1 or 2 or a small
  number.  Finally you will be forced to choose
  a Non-Display-Period number of pixels acceptable
  to 1376CFG.exe.  As you enter one number, the 
  program will change some other number that you
  already set, in order to be maintain the 
  relationship among the frame rate, pixel clock,
  and non-display periods.  Repeat this until
  all values are acceptable.

  1376CFG requires a default color depth, in bits
  per pixel.  Choose whatever makes it happy, 
  because 1376BMP will change the SDU board to 
  the actual color depth of the file that you
  are trying to display.

  I abbreviate 1376BMP.exe as 76B-xxxx.exe,
  where xxxx identifies a Kyocera LCD.

DISPLAYING AN IMAGE.
  Execute the MS-DOS program from the windows
  program menu.
  Enter CD /1376  or  CD (whatever) to get
  into the directory.
  Run the 1376BMP program that you configured.

  for example

       C:\1376>76B-38  CB4-3224.bmp

  or 
       C:\1376>76B-38  FL4-2432.bmp /r90

  The /r90, /r180 and /r270 switches will
  rotate the image.


PRINTING OUT REGISTER SETTINGS
   Within MS-DOS as above, enter:

          C:\1376>1376PLAY

      The program displays "=" as a prompt.
      At =, enter XA to display all the registers.
      At =, enter Q  to quit.
   Practice this until you can do it 
   without looking at the screen.
   Then run the program with MS-DOS 
      "I/O redirection".  The screen contents
      will go into the file, whose name you
      give each time.  For example:

          C:1376>1376play >test1.txt

   Accurately type in XA and Q as above,
      without the prompt.
      After Q, the MS-DOS prompt will re-appear.

   The file test1.txt will contain the 
      register settings, for use by engineers.
   You can quickly see its contents by entering

        C:\1376>type test1.txt

   I have made a set of register record files,
      to document each version of 1376BMP, for
      each Kyocera LCD module that I tested.
      For example 76B-389.txt records the
      the registers and my notes from running
      76B-38.exe /r90


To get out of MS-DOS, enter

         C:\1376>exit

Robert Joslyn
3/23/01
Kyocera Industrial Ceramics Corp.
360-992-1859
bob.joslyn@kyocera.com