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C-Berry28 Dataheets PDF



Part Number C-Berry28
Manufacturers admatec
Logo admatec
Description LCD Module
Datasheet C-Berry28 DatasheetC-Berry28 Datasheet (PDF)

LCD Module C-Berry28 DATA SHEET Product specification V 1.0 This product complies to EU directive 2002/95/EC (RoHS) of January 27th, 2003. admatec GmbH Wendenstrasse 29, 20097 Hamburg, Germany Tel.: +49-40-238533-0, Fax: +49-40-238533-11 Internet: www.admatec.de , Email: [email protected] C-Berry28 Product specification Version 1.0 Revision record Table 0.1: Revision record Rev. 1.0 Date 2014-08-14 Chapter all initial release Description 2/18 C-Berry28 Product specification Version.

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LCD Module C-Berry28 DATA SHEET Product specification V 1.0 This product complies to EU directive 2002/95/EC (RoHS) of January 27th, 2003. admatec GmbH Wendenstrasse 29, 20097 Hamburg, Germany Tel.: +49-40-238533-0, Fax: +49-40-238533-11 Internet: www.admatec.de , Email: [email protected] C-Berry28 Product specification Version 1.0 Revision record Table 0.1: Revision record Rev. 1.0 Date 2014-08-14 Chapter all initial release Description 2/18 C-Berry28 Product specification Version 1.0 Table of content Subject 1 2 General data Absolute maximum ratings 2.1 2.2 Electrical absolute maximum ratings Environmental absolute maximum ratings Electrical characteristics of C-Berry28 Electrical characteristics of backlight Page 4 5 5 5 3 Electrical characteristics 3.1 3.2 6 6 6 4 5 6 7 Optical characteristics of TFT Block diagram Interface description 6.1 7.1 7.2 Interface of C-Berry28 connector X2 and X3 Schematic of C-Berry28 PCB of C-Berry28 C-Berry28 example Additional software Timing characteristics Test condition 7 8 9 9 Hardware 10 10 11 8 Software 8.1 8.2 8.3 12 12 14 14 9 Reliability data for TFT 9.1 15 15 10 Assembly 11 Drawing 11.1 Drawing of TFT Module with TFT Adapter 16 17 17 12 LCM handling 18 3/18 C-Berry28 Product specification Version 1.0 1 General data Table 1.1: General data No. 1. 2. 3. 4. 5. 6. 7. 8. 9. Item module size active area pixel size number of dots LCD typ backlight graphic controller interface weight Content 85.0 mm (W) * 56.0 mm (H) * 17 mm (D) 43.2 mm (W) * 57.6 mm (H) 0.18 mm (W) * 0.18 mm (H) 240 * 3 (RGB) (W) * 320 (H) TFT color 262k, transmissive LED white ST7789 4-wire SPI 36g (approx.) 4/18 C-Berry28 Product specification Version 1.0 2 Absolute maximum ratings Within this specification all voltages are referred to ground (GND). Absolute maximum ratings are defined ratings, which when being exceeded may cause permanent damage to the device. Moreover, this device is not guaranteed to operate properly at the maximum ratings. These are stress ratings only and functional operation of the device at these or any other condition beyond those indicated under '3 Electrical characteristics' is not implied. 2.1 Electrical absolute maximum ratings Table 2.1: Electrical absolute maximum ratings Symbol power supply Vcc input voltage VI static electricity -Note: LCM should be grounded during handling. Item Min. -0.3 -0.5 -Max. 4.0 VCC+0.3 -Unit V V -Comment --see note 2.2 Environmental absolute maximum ratings Table 2.2: Environmental absolute maximum ratings Item Symbol operating temperature TOP storage temperature TST Note: Background color might change That phenomenon is reversible. Min. Max. Unit Comment -20 70 °C --30 80 °C -slightly depending on ambient temperature (Ta). 5/18 C-Berry28 Product specification Version 1.0 3 Electrical characteristics 3.1 Electrical characteristics of C-Berry28 Table 3.1: Electrical characteristic of C-Berry28 Ta=25°C Item power supply for logic input voltage power supply current Symbol Vcc VIH VIL ICC Condition -H-level L-level VCC=2.8V Min. 2.6 0.8VCC GND -Typ. 2.8 --10 Max. 3.3 VCC 0.2VCC -Unit V V mA 3.2 Electrical characteristics of backlight Table 3.2: Electrical characteristics of backlight Item applied forward voltage applied forward current Symbol VAC IAC Min. 3.0 -Typ. 3.2 80 Max. 3.3 -Unit V mA Condition at 100%PWM 6/18 C-Berry28 Product specification Version 1.0 4 Optical characteristics of TFT Table 4.1: Optical characteristics Ta=25°C Item viewing angle Cr≥10 contrast ratio surface luminance of LCM Symbol Condition Min. ------Typ. 65 55 60 60 250 270 Max. ------Unit ° ° ° ° ° cd/m² Θ ( ( ( ( ) ) ) ) Cr LI -at 100% PWM Note 1: Definition of viewing angle ( ) Note 2: Definition of contrast ratio (Cr) The brightness is measured with a TOPCON BM-7 at the center point of the TFT. The contrast is defined by the following equation: 7/18 C-Berry28 Product specification Version 1.0 5 Block diagram 2.8" TFT LCD 240 (RGB) x 320 LED Backlight Controller IC GND VCC /CS RS SDA SCLK /RST Figure 5.1 : Block diagram of C-Berry28 8/18 BL_PWM VCC_5V C-Berry28 Product specification Version 1.0 6 Interface description 6.1 Interface of C-Berry28 connector X2 and X3 Table 6.1: LCD interface description power supply 3.3V power supply 5V raspberry pi GPIO port power supply 5V raspberry pi GPIO port ground raspberry pi GPIO port raspberry pi GPIO port ground raspberry pi GPIO port raspberry pi GPIO port PWM for backlight control raspberry pi GPIO port ground register select RS 15 I 'H' = control word 'L' = display data GPIO23 16 I/O raspberry pi GPIO port VCC 17 PWR power supply 3.3V GPIO24 18 I/O raspberry pi GPIO port SDA 19 I/O serial data GND 20 PWR ground GPIO9 21 I/O raspberry pi GPIO port /RST 22 I reset SCLK 23 I serial clock /CS 24 I chip select GND 25 PWR ground GPIO7 26 I/O raspberry pi GPIO port Female connector: 2x13 pin, 2.54 mm pitch connect it to Raspberry Pi© Model B port P.


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