SC204A ETC2 [List of Unclassifed Manufacturers], SC204A Datasheet
SC204A
Related parts for SC204A
SC204A Summary of contents
Page 1
... Physical data b) External dimensions 4. Electrical characteristics--------------------------------------------------------------------- characteristics b) AC characteristics c) EL backlight d) LED backlight 5. Operating Principles--------------------------------------------------------------------------7 a) Pin description b) Block diagram c) Instruction description 6. Operating Methods---------------------------------------------------------------------------13 a) Interface with MPU b) Power supply c) Operating example Akihabara Inc. www.akiba-tech.com SC204A CONTENT VER2.1 Page ...
Page 2
... SC204A, a dot-matrix character LCD module, design for displaying 4 line 20 row characters. Character font is 5X7 dots with cursor. The SC204A provides two types of interfaces to MPU: 4-bit and 8-bit interfaces. SC204A can includes EL or LED backlight for custom design. The custom can design for color LED backlight, viewing angle and LCD type. ...
Page 3
... Read Mode (Reading data from LCD module to MPU) Characteristics Symbol E Cycle Time tc E Pulse Width tw E Rise/Fall Time tR,tF Address Setup Time tsp-i Address Hold Time tHD1 Data Output Delay Time tD Data hold time tHD2 Akihabara Inc. www.akiba-tech.com SC204A Limit Unit Min. Typ. Max. 2.2 VDD V -0.3 0.6 V -2.0 2.0 uA -20 -50 -100 uA 2 ...
Page 4
... Voltage vs. Current Density 10 1KHZ 200 08 150 06 400HZ 100 50HZ 100 150 Voltage (Vrms) d) LED backlight Features (1) Low voltage driving (DC) is available without inverter. Akihabara Inc. www.akiba-tech.com SC204A Limit Unit Min. Typ. Max. ns 400 150 - - ...
Page 5
... Note : The above spec . are only for reference TIMING CHARACTERISICS Akihabara Inc. www.akiba-tech.com Page SC204A Wave Length vs. relative Light intensity 100 Relative (%) Intensity ( 50 0 70℃ 520 540 ...
Page 6
... Character Generator (CG)RAM: This RAM allows the user to rewrite the character patterns freely according to the program. f. Address Counter (AC): This address counter is used to give the address information of DD RAM and CG RAM. Akihabara Inc. www.akiba-tech.com SC204A Level Function 0V Ground 4.5V~5.5V Supply voltage for logic ...
Page 7
... T". That means character code (00)16, and (08)16 can display" T” character. 6. The bits 0-2 of the character code RAM is character pattern line position. The 8th line is the cursor position and display is formed by logical OR with the cursor Akihabara Inc. www.akiba-tech.com SC204A ...
Page 8
... LLLH LLHL LLHH LHLL LHLH LHHL LHHH HLLL HLLH HLHL HLHH HHLL HHLH HHHL HHHH Lower 4bit CG RAM LLLL (1) (2) LLLH (3) LLHL (4) LLHH (5) LHLL (6) LHLH (7) LHHL (8) LHHH (1) HLLL (2) HLLH (3) HLHL (4) HLHH (5) HHLL (6) HHLH (7) HHHL (8) HHHH Akihabara Inc. www.akiba-tech.com SC204A VER2.1 Page ...
Page 9
... N: It sets the number of the display line One-line display Two-line display sets the character font dots character font dots character font No. of Display Lines Akihabara Inc. www.akiba-tech.com SC204A ...
Page 10
... It reads data (dddddddd)2 from character generator RAM or display data RAM. To get the correct data readout is shown below: (ⅰ)Set the address of the character generator RAM or display data RAM or shift the cursor instruction. (ii) Send the “Read “instruction. Akihabara Inc. www.akiba-tech.com SC204A R ...
Page 11
... Busy Flag and Address Counter Write Data RAM Read Data from RAM Akihabara Inc. www.akiba-tech.com SC204A Description Write "20H" to DDRAM and set DDRAM address to "OOH" from Set DDRAM address to " ...
Page 12
... Operating Methods a) Interface with MPU Akihabara Inc. www.akiba-tech.com SC204A ...
Page 13
... Entry mode set Write data to CG RAM / DD RAM Akihabara Inc. www.akiba-tech.com SC204A Dual Supply Voltage Types - LCM 10k~20k GND VDD-VO:LCD driving voltage Display ...
Page 14
... Entry mode set Write data to CG RAM / DD RAM Akihabara Inc. www.akiba-tech.com SC204A LCOME • • COMPAMY COMPAMY COMPAMY OMPANY COMPANY ...
Page 15
... I/D S Initialization end Akihabara Inc. www.akiba-tech.com SC204A 8bits interface BF cannot be checked before this instruction Function set (interface is 8 bits length). BF cannot be checked before this instruction Function set (interface is 8 bits length). BF cannot be checked before this instruction Function set (interface is 8 bits length) ...
Page 16
... Initialization end Akihabara Inc. www.akiba-tech.com SC204A 4bits interface BF cannot be checked before this instruction 1 1 Function set (interface is 8 bits length). BF cannot be checked before this instruction 1 1 Function set (interface is 8 bits length). BF cannot be checked before this instruction ...