LCD 128*64

Характеристики:

  • lcd type: fstn
  • duty, bias: duty=164, bias=19
  • viewing direction 6 o’clock
  • module size (LxWxH) with FPC 32x19.2x1.8mm (max)
  • View area(LxW) 27.95x12.9mm
  • Dots matrix (segment * comment) 128*64 dots
  • dot size (LxW) 0.16x0.145mm
  • dot pitch(w*H) 0.19x0.175mm
  • lcd driver ic st7565 (sitronix)

absolute maximum ratings (Ta = 25 centigrade degree)

ParametersymbolMinMaxUnit
Supply voltgage for logicVDD-0.33.2V
LCD driving voltageV0-VSS8.38.7V
Operating temperatureTop0+50centigrade degree
Storage temperatureTst-10+60centigrade degree

OPERATING PRINCIPLES & METHODS

INTERFACE PIN CONNECTIONS

Pin NoSymbolI/OFunction
1LED+Ilight+
2LED-Ilight-
3IRSIIRS=H” use the intemal resistors;IRS=L” DO not use the intemal resistors.
4P/SIThis is the parallel data input/-4line SPL data input switch terminal
5C68IThis is the MPU interfaces witch terminal .C68=H “ 6800 series; C68=L” 8080 series.
6VRIIRS=l”theV0 voltage regulator intemal resistors are used IRS=H’ V0 voltage regulator intemal resistors are not used
7V0I/OLCD driver Power supply voltages
8V4I/OLCD driver Power supply voltages
9V3I/OLCD driver Power supply voltages
10V2I/OLCD driver Power supply voltages
11V1I/OLCD driver Power supply voltages
12CAP2+OCapacitor 2+ connected to the internal voltage converter.
13CAP2-OCapacitor 2- connected to the internal voltage converter
14CAP1+OCapacitor 1+ connected to the internal voltage converter.
15CAP1-OCapacitor 1- connected to the internal voltage converter
16CAP3+OCapacitor C3+ connected to the internal voltage converter
17VOUTOVoltage converter output pin.
18VDDSupplyPower supply for logic.
19~27D7~D0I/OData bus.
28RDIRead/Write signal. “H”: read, “L”: write.
29WRIRead/Write enable signal.
30A0IRegister select pin. Command register is selected when “L”, Data register is selected when “H”.
31RESETBIHardware reset input pin. Active when “L”.
32CSIChip select input. Active when “L”.

NOTE: PLEASE SEE THE DATA SHEET OF ST7565 TO GET MORE DETAIL, THE FOLLOWING IS COPIED FROM ST7565 DATA SHEET CAN NOT PROMISE VERY CORRECT . IT IS ONLY FOR REFERENCE WHEN YOU BUY NOT FOR DESIGN.

COMMAND                       COMMAND CODE                                FUNCTION
                              A0 /RD /WR     D7 D6 D5 D4 D3 D2 D1 D0   


(1) Display ON/OFF            0  1   0       1  0  1  0  1  1  1  0
                                                                  1     LCD DISPLAY ON OFF 1 ON 0 OFF
(2) Display start Line Set    0  1   0       0  1   DISPLAY START ADDRESS   SET THE DISPLAY RAM START LINE ADDRESS


(3)Page address set           0  1   0       1  0   1  1 PAGE ADDRESS       SET THE DISPLAY RAM PAGE ADDRESS
(4)Column address set         0  1   0       0  0   0  1 Most significant  Set most significant 4 bits of the display RAM column address.
   upper bit                                             column address
   Column address set                        0  0   0  1 Least significant Set the least significant 4 bits of the display RAM column address      
   lower bit                                             column address
(5) Status read               0  0   1       status     0  0  0  0        Reads the satus data
(6) Display data write        1  1   0       write data                  Writes to the display RAM
(7) Display data read         1  0   1       read data                   Reads frim the display RAM
(8) ADC select                0  1   0      1  0  1  0  0  0  0  0      Sets the display RAM address SEG output 
                                                                         correspondence
                                                                 1       o normal 1 reverse
(9) Display normal/reverse    0  1   0      1  0  1  0  0  1  1  0      set the display normal or reverse
                                                                 1       o normal 1 reverse


(10) Display all points       0  1   0      1  0  1  0  0  1  0  0      display all points
    ON/OFF                                                       1      0 notmal 1 all points on
(11) LCD bias set             0  1   0      1  0  1  0  0  0  1  0      set the display driver voltage bias ratio 
                                                                 1      0 1/9 bias , 1: 1/7 bias (st7565r)
(12) Read/modify/write        0  1   0      1  1  1  0  0  0  0  0      column address increment
                                                                        all write +1 all read 0
(13) End                      0  1   0      1  1  1  0  1  1  1  0      clear read/modify/write
(14) Reset                    0  1   0      1  1  1  0  0  0  1  0      internal reset
(15) Common output            0  1   0      1  1  0  0  0  x  x  x      select com out scan direction
    mode select                                         1               o normal direction 1 resver direction
(16) Power control set        0  1   0      0  0  1  0  1 operationg mode select internal power supply operation mode
(17) V0 voltage               0  1   0      0  0  1  1  0 resister ratio  select internal resister ratio (Rb/ Ra) mode
     regulator internal
     resistor ratio set
(18) Electronic volume        0  1   0      1  0  0  0  0  0  0  1        set the Vo output voltage electronic volume register 
     mode set                               0  0 electronic volume value 
     Electronic volume
     regsister set
(19) Static indicator         0   1  0      1  0  1  0  1  1  0   0      0 OFF 1 ON  Set the flashing mode
     ON/OFF                                                       1
     Static Indicator                       0  0  0  0  0  0  0  mode
     register set
(20) Booster radio set        0   1   0     1  1  1  1  1  0  0   0      select booster ratio 00 2x ,3x,4x
                                                              setup           01 5x
                                            0  0  0  0  0  0  value           11 6x
(21) Power save               0   1   0                                  diplay off and display all points on compound command
(22) NOP                      0   1   0     1  1  1  0  0  0  1   1      command for non-operation
(23) Test                     0   1   0     1  1  1  1  x  x  x   x      command for IC test . Do not use this test command

ST7565 LCD driver

 
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