图形点阵液晶显示模块使用手册.doc

图形点阵液晶显示模块使用手册CM12232-3SEYA目 录(一) 基本特性 (1)(二) 限定参数 (1)(三) 直流特性 (2)(四) 交流特性 (2)(五) 机械尺寸图 (3)(六) 原理图 (3)(七) DDRAM地址表 (4)(八) 指令表 (4)(九) 应用举例 (5)5一. 基本特征主要技术参数和性能：(1) 电源： +5V (2)STN 正视反射模式;(3)显示模式：黄绿膜、灰膜、蓝膜、黑白膜(4)显示角度:6点钟直视;(5)驱动方式:1/32 Duty,1/6 Bias(6)工作温度：-10+55，存储温度：-20+70(7)背光特性：LED背光（黄绿色、蓝色、白色、红色）(8)模块封装方式：COB(9)功耗：1mA2机械特性(1) 外观尺寸:见外观图;(2) 点阵:12232点;(3) 点尺寸:0.36(W)0.41(H) (MM);(4) 点间距:0.04(W)0.04(H) (MM)3.引脚特性：管脚号管脚名称LEVER管脚功能描述1VDD 5V电源电压2VSS0V电源地3VLCD0+5V OR0-5VLCD驱动电压(当VDD=+3V时,VLCD接0-5V负电压)4RESH/L复位信号(低电平有效)5E1H/L读写使能信号6E2H/L读写使能信号)7R/W H/L读写选择信号8A0H/LD/I=“H”，表示DB7DB0为显示数据D/I=“L”，表示DB7DB0为显示指令数据9DB0H/L数据线10DB1H/L数据线11DB2H/L数据线12DB3H/L数据线13DB4H/L数据线14DB5H/L数据线15DB6H/L数据线16DB7H/L数据线二.限定参数:ItemSymbolStandard ValueUnitConditionPower supply voltageVDD0+7.0VLCD driving voltageVDDVLCD0+12.0Input voltageVINVNDVINVDDOperating temperature rangeTop0+40No conditionStorage temperature rangeTst-10+60三. 直流特性：（Ta=040，VDD=2.74.5V）ItemSymbolStandard ValueUnitMINTYPMAXPower SupplyVDD2.45.06.0VLCD Driving VoltageVLCD-0-VInput High Voltage VIH0.8VDDVDDVOutput High VoltageVOH0.5VDDVInput Low VoltageVILGND0.2VDDVOutput Low VoltageVOL0.1VDDVPower Supply CurrentIDD-240uAI/0 Leak CurrentIL-3.03.0uAStand-by CurrentIDDQ0.0510.uA四. 交流特性:SignalParameterSymbolMINMAXUnitConditionSystem cycle timeTcyc2000-nsA0，/RWAddress setup timeTaw40-nsAddress hold time Tah20-nsData setup timeTds160-nsData hold timeTdh20-nsD0D7Output disable timeTch20120nsCL=100p FAccess timeTacc-180nsEEnable pulse width(Read)Tew200-Enable pulse width(Write)160-nsInput wave width rise timeTr-15nsBus Read /Write Operaion Sequence五. 机械尺寸图:六. 原理图:七DDRAM 地址表PageDataCom NoDriveD0 ：0 ： ： 15 Slave 2 ： ：D7122 X 16 PLXELSD0 ：3 ： ：D7122 X 16 PLXELSD0 ： 16 ： ： 31Master0 ： ：D7122 X 16 PLXELSD0 ：1： ：D7122 X 16 PLXELSColumn AddrADC=000H3C00H3CSeg No060060DriveSlaveMaster八. 指令表:INSTRCTIONCODEFUNCTIONR/WD/ID7D6D5D4D3D2D1D0DISPLAYON/OFF0010101111/0Switch the entire display ON or OFF，regardless of the display RAMs Data or the internal status.1: ON 0: OFFDisplay Start Line00110Display start Line(031)Determines the line of RAM data to be displayed at the displays top line (COM0)Page Address set00101110PAGE:(03)Sets the page of the Display in the Address register(X address) Column(seg) Address set000Column address(079)Sets the column of the Display in the column address register(Y address)StatusRead10BusyADCON/OFFRST0000Read status Busy 1:insternal operation 0:ReadyADC 1:Rightward output 0:LeftwardRST 1:Reseting 0:NormalON/OFF 1:Display off 0:Display on Write Display Data01Write dataWrites the data on the Data bus to RAMRead DisplayData11Read dataReads data from the Display RAM onto the Data BUSADC Select0010100000/1Determine the clockwise or Counterclockwise reading of the display Data RAM 0: Clockwise 1: CounterclockwiseStatic Drive ON/OFF0010100100/1Select the dynamic or static Driving.1:Static driving0: Dynamic drivingDuty Ratio Select0010101000/1Select the duty ratio 1:1/32 duty 0:1/16 dutyRead Modify Write0011100000Increment the column Address register when writing. But no-change when reading.End0011101110Release from the Read Modify Write Mode. Reset0011100010Set the Display Start Line Register to 1st line, column Address count to 0 and Page Add. Resister to 0.Power Save(dual command)00000011001100111001Set the power save mode by selecting display off and static driving on 九应用举例 CM1