DENSITRON DD-2832BE-1A with EVK board Application Notes
Contents
1. DENSITRON D TECHNOLOGIES ple OLED DISPLAY MODULE Application Notes PRODUCT NUMBER DD 2832BE 1A with EVK board Copyright 2006 DENSITRON TECHNOLOGIES plc All rights reserved Proprietary Data DENSITRON TECHNOLOGIES ble TABLE OF CONTENTS E EVE SCHEMATIC nia ao 4 2 SYMBOL DEFINITION orein A ENA EE TRUE SEN 5 3 TIMING CHARACTERISTICS cummins 7 4 CONNECTION BETWEEN OLED AND EVK eee ee eee eee eee eee eee eee eee eo noe 11 5 HOW TO USE THE DD 2832BE 1A ee eeee eese ee eee een eene ettet tno esee ette ense eese eee en Haee eee 13 5 1 RECOMMENDED INITIAL CODE 4424440464240404 64 0 0204060404466400 64 04 0400 cion 14 Copyright 2005 DENSITRON TECHNOLOGIES plc All rights reserved Proprietary Data DENSITRON TECHNOLOGIES npIc REVISION RECORD iind Copyright 2005 DENSITRON TECHNOLOGIES plc All rights reserved Proprietary Data DENSITRON 1 EVK Schematic PAL 125364 PTC tote iii IIIS D s GERE A D lt a s E 353 0230 D dm nm P4 O 0 OM Oo cup El Creo RES R 150K B DONE a RHEIN mano F9R9GR8ARARRARA Ls C3 Li C 019104 227882 5 1 015104 1229825 i SH DD 2832BE 1A REV A Copyright 2005 DENSITRON TECHNOLOGIES plc All rights reserved Proprietary Data DENSITRON 2 Symbol Definition D0 D7 These pins are 8 bit bi directional data bus to be connected to the MCU s data bus2. I S This is a serial interface selection input pin When it is pulled High and P S Pulled Low I2C interface is selected J1 PS This pin is a parallel interface selection input pin When it is pulled High parallel interface mode is selected When this pin and I S pin is pulled Low serial interface is selected J2 Note Read Data operation is only available in parallel mode CMPU This pin is MCU parallel interface selection input When the pin is pulled High 6800 serial interface is selected and when the pin is pulled Low 8080 serial interface is selected P S pulled Low The setting of this pin is ignored but must be connected to a known logic either High or Low J3 CCL the pin is internal clock enable When this pin is pulled High internal clock is enabled The internal clock is disabled when it is pulled Low An external clock source must be connected to CL pin for normal operation J4 M S This pin is the select input This pin must be pulled High the chip function is as master J5 E RD This pin is MCU interface input When interfacing to a 6800 series microprocessor this pin is used as the Enable E signal Read write operation is initiated when this pin is pulled high and the chip is selected When connecting to an 8080 microprocessor this pin receives the Read RD signal Data read operation is initiated when this pin is pulled low and the chip is selected When serial interface is sele
3. bol Parameter Min Typ Max Unito le Clock CycleTime 29 ns ss Address SetupTime 10 ns t AddressHoldfime 10 ns tess Chip Select Setup Time ERO D D E S ks ChipSelectHoldTme 60 ns lp Write Data Setuptime 100 n tow Write Data Hold Time 100 ns tam CokLOWTm 100 ns tas ClockHIGHTime Y 100 ns i RserTm 8 5 n t Fam j 15 nm Table 3 Serial Interface Timing Characteristics T_T NEREMI PH ED tas taH 0521 SS gt NZ CYCLE SCK b d tF eto tosw XT SDA T vaidData SDA LOTADEM DE X 04 X 23 XD2X DX DO Figure 3 Serial Interface Timing Characteristics iind Copyright 2005 DENSITRON TECHNOLOGIES plc All rights reserved Proprietary Data DENSITR N TECHNOLOGIES plIc Symbol Parameter Min Typ Max Unit _ twae ClockCycleTime us tisragr Start condition Hold Time 06 ps to DataHoldTime o 300 ns to DataSetupTime o o oa oa 100 ns t Start condition Setup Time Only relevant for a 06 B SSTART lrepeated Start condition H tssrop_ Stop condition Setup Time 06 us tr Riselimefordataandclockpn 300 ns t Fall T
4. cted this pin E RD must be connected to VSS R W This pin is MCU interface input When interfacing to a 6800 series microprocessor this pin is used as Read Write R W selection input Read mode will be carried out when this pin is pulled high and write mode when low When 8080 interface mode is selected this pin is the Write WR input Data write operation is initiated when this pin is pulled low and the chip is selected When serial interface is selected this pin R W must be connected to VSS RS This pin is Data Command control pin When the pin is pulled high the data at DO D7 is treated as display data When the pin is pulled low the data at DO D8 is transferred to the command register For detail relationship to MCU interface signals please refer to the timing characteristics diagrams at following pages and datasheet RES This pin is reset signal input When the pin is low initialization of the chip is executed ind Copyright 2005 DENSITRON TECHNOLOGIES plc All rights reserved Proprietary Data DENSITROEN gt TECHNOLOGIES ble CS This pin is the chip select input The chip is enabled for MCU communication only when CS is pulled low VCC This is the most positive voltage supply pin of the chip VDD3 3V Power supply pin for logic operation of the driver ind Copyright 2005 DENSITRON TECHNOLOGIES plc All rights reserved Proprietary Data DENSITR N TECHNOLOGIES pIc 3 Timing c
5. haracteristics VDD 2 4 to 3 5V TA 40to 85 C aye Item Signal Symbol Condition Address hold time ue Mn System cycle time stem cycle time Dee 300 ws 15 DO to D7 ccs 120 Access time Output disable time Tn CL 100pF mt Read oe 120 enone Write te lEWHW dalla Read lEWLR 120 Enable L pulse time Write uM es MOFA L EN Rise Time te ns P a a e Table 1 6800 Series MPU Parallel Interface Timing Characteristics RS 4 S A B NHI NI TEWLR tEWLW IH tDH6 Write DO to D7 Read tccs Figure 1 6800 series MPU parallel interface characteristics dini Copyright 2005 DENSITRON TECHNOLOGIES plc All rights reserved Proprietary Data DENSITR N TECHNOLOGIES pIc Item Signal Symbol Condition pi Mak Units e setup time taws 20 s mie 7 7 He pir ps L pulse width WR ns Control L pulse width RD ns Control H pulse width WR ns Control H pulse width CCHR ns ns ns RD access time ns Output disable time ns Rise Time o e ns Fale Les Table 2 8080 Series MPU Parallel Interface Timing Characteristics ICS1 CS2 1 tcyca IWR IRD H d tecHR CCHW N n VENI ions tF DO to D7 Write tACCS m tons DO to D7 Read Figure 2 8080 series MPU parallel interface characteristics e Rai Copyright 2005 DENSITRON TECHNOLOGIES plc All rights reserved Proprietary Data DENSITR N TECHNOLOGIES pIc Sym
6. ime for data and clock pin 300 ns xe Jidle Time before a new transmission can stat 1 3 ps Table 4 I2C Interface Timing Characteristics SDA SSTART SCL tCYCLE SDA SCL DATALINE CHANGE STABLE OF DATA DATAVALID ALLOWED Figure 4 I2C Interface Characteristics a Copyright 2005 DENSITRON TECHNOLOGIES plc All rights reserved Proprietary Data DENSITR N TECHNOLOGIES plIc Connection Between OLED and EVK o x MAMMA h bA 11 1 e uh i a ta RR P Figure 5 EVK PCB and DD 2832BE 1A Module Figure 6 the DD 2832BE 1A and EVK assembled Top view dial Copyright 2005 DENSITRON TECHNOLOGIES plc All rights reserved Proprietary Data DENSITR N TECHNOLOGIES pIc As the package is TCP the connector pads are double sided When assembling the OLED make sure it in the right direction as shown in Figure 6 and tightened with the two hexagonal bolts d Figure 7 control MCU not supplied connected with EVK Note 1 It is the external most positive voltage supply In this sample is connected to power supply ia Copyright 2005 DENSITRON TECHNOLOGIES plc All rights reserved Proprietary Data DENSITRON TECHNOLOGIES npIc 4 How to use the DD 2832BE 1A Reset Set RES 0 Delay 10ms RES 1 Initial IC code Suggest all registers set again Start se
7. nding data Product No ie REVA Page 13 14 Copyright 2005 DENSITRON TECHNOLOGIES plc All rights reserved Proprietary Data DENSITR N TECHNOLOGIES pIc 4 1 Recommended Initial code write 1command OxE2 Reset write_1command 0x00 Display Start Line 0 write_2command 0xA8 0x3F Duty 63 write 2command OxAA 0x42 Frame Freq Fos 6 DF write_1command 0xC8 Com output scan Reverse write_1command 0xA0 0x00 gt Rightward write_1command 0xa4 Static Drive off write_2command 0x81 0xff Brightness Level 255 write 1command OxD0 con mode off write 1command 0xA6 Data Normal write 2command OxDA 0x10 Current mode half range write 2command 0xD9 0xA8 Precharge amp Zero Period write 2command OxAB 0x88 Bias Current Normal write 2command 0xD3 0x00 OffsetLine 0 write 2command 0xD8 0x00 LOW Power Display Normal write 1command OxAF Display ON Sub Function of write 1command and write 2command void write 1command unsigned char Command IOCLR 0x0000000ff reset DO D7 IOCLR RS IOSET Command IOCLR CS IOCLR WR IOSET2WR IOSET CS1 IOSET RS void write_2command unsigned char comm1 unsigned char comm2 write 1command comm 1 write 1command comm2 Product No DDS022BZIA REY A nidi Copyright 2005 DENSITRON TECHNOLOGIES plc All rights reserved Proprietary Data
Download Pdf Manuals
Related Search
DENSITRON DD 2832BE 1A with EVK board Application Notes