background image

1.

 

Over

 

View

OKRA

0750BNU790F30

 

is

 

an

 

Active

 

Matrix

 

Electrophoretic

 

Display

 

(AM

 

EPD),

 

with

 

interface

 

and

 

a

 

reference

 

system

 

design.

 

The

 

display

 

is

 

capable

 

to

 

display

 

images

 

at

 

1-bit

 

white,

 

black

 

full

 

display

 

capabilities.

 

The

 

7.5

 

inch

 

active

 

area

 

contains

 

480×800

 

pixels.

 

The

 

module

 

is

 

a

 

TFT-array

 

driving

 

electrophoresis

 

display,

 

with

 

integrated

 

circuits

 

including

 

gate

 

driver,

 

source

 

driver,

 

MCU

 

interface,

 

timing

 

controller,

 

oscillator,

 

DC-DC,

 

SRAM,

 

LUT,

 

VCOM.

 

Module

 

can

 

be

 

used

 

in

 

portable

 

electronic

 

devices,

 

such

 

as

 

Electronic

 

Shelf

 

Label

 

(ESL)

 

System.

2.

 

Features

480×800 pixels display

High contrast High reflectance

Ultra wide viewing angle Ultra low power consumption

Pure reflective mode

Bi-stable display

Commercial temperature range

Landscape portrait modes

Hard-coat antiglare display surface

Ultra Low current deep sleep mode

On chip display RAM

Waveform can stored in On-chip OTP or written by MCU

Serial peripheral interface available

On-chip oscillator

On-chip booster and regulator control for generating VCOM, Gate and Source driving

voltage

I

2

C signal master interface to read external temperature sensor

Built-in temperature sensor

Support partial update mode

EPD Module User Manual

2.5$7HFKQRORJLHV

5HY

1

5

41

Содержание OKRA0750BNU790F30

Страница 1: ...ification for 7 5 inch EPD Model NO OKRA0750BNU790F30 OKRA s Confirmation Prepared by Checked by Approved by Customer approval Customer Approved by Date EPD Module User Manual 2 5 7HFKQRORJLHV 5HY 1 1...

Страница 2: ...ory Version Content Date Producer 2 0 New release 2021 03 11 2 1 update 1 Over View 9 Typical Application Circuit with SPI Interface 11 Reliability Test 2021 4 27 EPD Module User Manual 2 5 7HFKQRORJL...

Страница 3: ...terface Selection 11 6 3 2 MCU Serial Interface 4 wire SPI 11 6 3 3 MCU Serial Interface 3 wire SPI 11 7 Command Table 14 8 Block Diagram 31 9 Typical Application Circuit with SPI Interface 32 10 Typi...

Страница 4: ...t method 36 12 6 Inspection standard 37 12 6 1 Electric inspection standard 37 12 6 2 Appearance inspection standard 38 13 Packaging 40 14 Handling Safety and Environment Requirements 41 EPD Module Us...

Страница 5: ...ectronic Shelf Label ESL System 2 Features 480 800 pixels display High contrast High reflectance Ultra wide viewing angle Ultra low power consumption Pure reflective mode Bi stable display Commercial...

Страница 6: ...on 800 H 480 V Pixel DPI 124 Active Area 163 2 97 92 mm Pixel Pitch 0 204 0 204 mm Pixel Configuration Rectangle Outline Dimension 170 2 H 111 2 V 1 20 D mm Weight 43 9 0 5 g Symbol Parameter Conditio...

Страница 7: ...m XX 0 20mm X 0 4mm ANGLES 5 RoHS EPD A 20 07 10 MODIFICATION REV DATE Confirmation 1 DISPLAY MODULE 7 5 ARRAY FOR EPD 2 DRIVER IC UC8179C NOTE 3 RESOLUTION 480gateX800source 4 PIXEL SIZE 0 204mmX0 20...

Страница 8: ...ow Note 5 3 11 D C I Data Command control pin Note 5 2 12 CS I Chip select input pin Note 5 1 13 SCL I Serial Clock pin SPI 14 SDA I O Serial Data pin SPI 15 VDDIO P Power Supply for interface logic p...

Страница 9: ...nt The chip would put Busy pin Low when Outputting display waveform Communicating with digital temperature sensor Note 5 5 Bus interface selection pin BS1 State MCU Interface L 4 lines serial peripher...

Страница 10: ...3V 0 003 mW Typical operating current Iopr_VCI VCI 3 3V 8 mA Image update time 25 C 4 sec Typical peak current Iopr_VCI 2 3V 3 6V 80 120 mA Sleep mode current Islp_VCI DC DC off No clock No input load...

Страница 11: ...ommand is recognized with DC pin Data are transferred in the unit of 8 bits To prevent malfunction due to noise it is recommended to set the CSB signal to HIGH every 8 bits The serial counter is reset...

Страница 12: ...The MSB bit of data will be output at SDA pin after the 1 st SCL falling edge if the 1 st input data at SDA is high 6 3 4 Interface Timing EPD Module User Manual 2 5 7HFKQRORJLHV 5HY 1 12 41...

Страница 13: ...Serial Interface Timing Characteristics EPD Module User Manual 2 5 7HFKQRORJLHV 5HY 1 13 41...

Страница 14: ...urce Shift Direction 0 Shift left First data to Last data Sn 1 Sn 2 Sn 3 S0 1 Shift right Default First data to Last data S0 S1 S2 Sn 1 SHD_N Booster Switch 0 Booster OFF 1 Booster ON Default When SHD...

Страница 15: ...VDHR pins 1 Internal DC DC function for generating VDHR Default VS_EN Source power selection 0 External source power from VDH VDL pins 1 Internal DC DC function for generating VDH VDL Default VG_EN Ga...

Страница 16: ...EPD Module User Manual 2 5 7HFKQRORJLHV 5HY 1 16 41...

Страница 17: ...WER MANAGEMENT section for the sequence This command will turn on booster controller regulators and temperature sensor will be activated for one time sensing before enabling booster When all voltages...

Страница 18: ...e C1 setting always is applied for booster phase C 1 Booster phase C2 enable If temperature temperature boundary phase C2 RE7h 7 0 phase C1 setting is applied for booster phase C If temperature temper...

Страница 19: ...DISPLAY REFRESH DRF R12H While user sent this command driver will refresh display data VCOM according to SRAM data and LUT After Display Refresh command BUSY_N signal will become 0 and the refreshing...

Страница 20: ...32 38 44 50 56 D 7 6 D 5 4 D 3 2 D 1 0 Level Selection 00b VCOM_DC 01b VDH VCOM_DC VCOMH 10b VDL VCOM_DC VCOML 11b Floating Bytes 3 6 9 12 15 18 21 24 27 30 33 36 39 42 45 48 51 54 57 60 Number of Fr...

Страница 21: ...es how many times that phase will repeat Bytes 2 8 14 20 26 32 38 Level Selection 00b GND 01b VDH 10b VDL 11b VDHR Bytes 3 6 9 12 15 18 21 24 27 30 33 36 39 42 Number of Frames 0000 0000b 0 frame 1111...

Страница 22: ...rame 1111 1111b 255 frames Bytes 7 13 19 25 31 37 43 49 55 61 Times to Repeat 0000 0000b 0 time 1111 1111b 255 times If KW R 0 KWR mode all 10 groups are used If KW R 1 KW mode only 7 groups are used...

Страница 23: ...hase will repeat Bytes 2 8 14 20 26 32 38 Level selection BD_EN 0 00b VCOM 01b VDH 10b VDL 11b VDHR BD_EN 1 00b VCOM 01b VBH VCOM VDL 10b VBL VCOM VDH 11b VDHR Bytes 3 6 9 12 15 18 21 24 27 30 33 36 3...

Страница 24: ...N 0 for state 1 STATE_XON 1 for state 2 00 0000 0000b no All Gate ON 00 0000 0001b State 1 All Gate ON 00 0000 0011b State 1 and State2 All Gate ON 18 PLL CONTROL PLL R30 H The command controls the PL...

Страница 25: ...tes the interval of VCOM and data output When setting the vertical back porch the total blanking will be kept 20 Hsync BDZ Border Hi Z control 0 Border output Hi Z disabled default 1 Border output Hi...

Страница 26: ...ata to OLD data disabled default 1 Copy NEW data to OLD data enabled DDX 1 0 Data polarity Under KWR mode KW R 0 DDX 1 is for RED data DDX 0 is for K W data Under KW mode KW R 1 DDX 1 0 is for KW mode...

Страница 27: ...21 TCON S ETTING TCON R60 H EPD Module User Manual 2 5 7HFKQRORJLHV 5HY 1 27 41...

Страница 28: ...9 0 272 272 1 271 Source First active source S0 Last active source S127 HRES 9 3 16 16 8 1 127 23 GATE SOURCE START SETTING GSST R65 H This command defines resolution start gate source position HST 9...

Страница 29: ...2 or 0x17E0 0x17E2 CHIP_REV 7 0 Chip Revision fixed at 00001100b 25 VCOM_DC SETTING VDCS R82 H 26 PROGRAM MODE PGM RA0 H After this command is issued the chip would enter the program mode After the pr...

Страница 30: ...The BUSY_N flag would fall to 0 until the programming is completed 28 READ OTP DATA ROTP RA2 H EPD Module User Manual 2 5 7HFKQRORJLHV 5HY 1 30 41...

Страница 31: ...8 Block Diagram EPD Module User Manual 2 5 7HFKQRORJLHV 5HY 1 31 41...

Страница 32: ...spare part C4 C6 1uF Voltage Rating 10v C1 C2 C3 C5 C7 C8 C9 4 7uF Voltage Rating 25v R1 0 47Ohm NO D1 D2D3 Diode MBR0530 VR 20V IR 500mA Ir 1mA VR 15V TA 100 Q1 NMOS Vishay Si1308EDL VDS 20V ID 500mA...

Страница 33: ...rating Sequence 10 1 LUT from OTP Operation Flow Load image data System power Reset the EPD driver IC Power on Display refresh Turn off Enter into deep sleep mode EPD Module User Manual 2 5 7HFKQRORJL...

Страница 34: ...USY High Deep sleep SPI 0x07 0xa5 Power off SPI 0x02 Check BUSY pin Data start transmission SPI 0x10 0x13 Transport B W data System power Reset the EPD driver IC Power on SPI 0x04 Display refresh SPI...

Страница 35: ...gh Temperature High Humidity Operation T 40 C RH 90 240h 6 High Temperature High Humidity Storage T 60 C RH 80 240h Test in white pattern 7 Temperature Cycle 1 cycle 25 C 30min 70 C 30 min 100 cycles...

Страница 36: ...e color ghosting is measured with following transition from horizontal 2 scale pattern to vertical 2 scale pattern The listed optical characteristics are only guaranteed under the controller waveform...

Страница 37: ...0 15mm W 0 5mm N 4 allowable L 4 0mm W 0 5mm is not allowed 4 Ghost image Allowed in switching process MI Visual inspection 5 Flash dot Multilateral Flash points are allowed when switching screens Mu...

Страница 38: ...irty Allowed if can be removed MI Zone A Zone B 4 Chips Scratch Edge crown X 3mm Y 0 5mm 2mm X or 2mm Y not Allow W 0 1mm L 5mm n 2 Edge crown X 0 3mm Y 3mm MI Visual Microscope Zone A Zone B 5 TFT Cr...

Страница 39: ...ot Allow PCB Curl 1 MI Visual Ruler Zone B 12 Edge glue height Edge glue bubble Edge Adhesives H PS surface Including protect film Edge adhesives seep in 1 2 Margin width Length excluding Edge adhesiv...

Страница 40: ...terials List List Model Materials Q ty Unit Piece Piece Piece Piece Piece Piece corrugate corrugate EPD PACKING INSTRUCTION Customer Code Ref P N P N Type GLASS PKG Method Blister BACK Marking Pull Ta...

Страница 41: ...ven are in accordance with the Absolute Maximum Rating System IEC 134 Stress above one or more of the limiting values may cause permanent damage to the device These are stress ratings only and operati...

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