Характеристики:
- lcd type: fstn
- duty, bias: duty=1/64, bias=1/9
- 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)
| Parameter | symbol | Min | Max | Unit |
|---|---|---|---|---|
| Supply voltgage for logic | VDD | -0.3 | 3.2 | V |
| LCD driving voltage | V0-VSS | 8.3 | 8.7 | V |
| Operating temperature | Top | 0 | +50 | centigrade degree |
| Storage temperature | Tst | -10 | +60 | centigrade degree |
OPERATING PRINCIPLES & METHODS
INTERFACE PIN CONNECTIONS
| Pin No | Symbol | I/O | Function |
|---|---|---|---|
| 1 | LED+ | I | light+ |
| 2 | LED- | I | light- |
| 3 | IRS | I | IRS=H” use the intemal resistors;IRS=L” DO not use the intemal resistors. |
| 4 | P/S | I | This is the parallel data input/-4line SPL data input switch terminal |
| 5 | C68 | I | This is the MPU interfaces witch terminal .C68=H “ 6800 series; C68=L” 8080 series. |
| 6 | VR | I | IRS=l”theV0 voltage regulator intemal resistors are used IRS=H’ V0 voltage regulator intemal resistors are not used |
| 7 | V0 | I/O | LCD driver Power supply voltages |
| 8 | V4 | I/O | LCD driver Power supply voltages |
| 9 | V3 | I/O | LCD driver Power supply voltages |
| 10 | V2 | I/O | LCD driver Power supply voltages |
| 11 | V1 | I/O | LCD driver Power supply voltages |
| 12 | CAP2+ | O | Capacitor 2+ connected to the internal voltage converter. |
| 13 | CAP2- | O | Capacitor 2- connected to the internal voltage converter |
| 14 | CAP1+ | O | Capacitor 1+ connected to the internal voltage converter. |
| 15 | CAP1- | O | Capacitor 1- connected to the internal voltage converter |
| 16 | CAP3+ | O | Capacitor C3+ connected to the internal voltage converter |
| 17 | VOUT | O | Voltage converter output pin. |
| 18 | VDD | Supply | Power supply for logic. |
| 19~27 | D7~D0 | I/O | Data bus. |
| 28 | RD | I | Read/Write signal. “H”: read, “L”: write. |
| 29 | WR | I | Read/Write enable signal. |
| 30 | A0 | I | Register select pin. Command register is selected when “L”, Data register is selected when “H”. |
| 31 | RESETB | I | Hardware reset input pin. Active when “L”. |
| 32 | CS | I | Chip 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