1、圖形點(diǎn)陣液晶顯示模塊使用手冊(cè)ZY12864D廣州市天河區(qū)車陂工業(yè)區(qū)11幢3樓:510660020 020 85549859E-m傳真目錄(一)概述(1)(二)外形尺寸圖(1)(三)模塊主要硬件說明(1)(四)模塊的外部接口(2)(五)指令說明(3)(六)讀寫操作時(shí)序(4)(七)應(yīng)用舉例(5)一概述ZY12864D 是一種圖形點(diǎn)陣液晶顯示器,它主要由行驅(qū)動(dòng)器/列驅(qū)動(dòng)器及128 64 全點(diǎn)陣液晶顯示器組成 可完成圖形顯示 也可以顯示8 4 個(gè)(16 16 點(diǎn)陣)漢字, EL背光源主要技術(shù)參數(shù)和性能100VAC, 400Hz電源VDD為+5V模塊內(nèi)自帶 -10V 負(fù)壓用于LCD 的驅(qū)動(dòng)電壓顯示內(nèi)容1

2、28(列) 64(行)點(diǎn)全屏幕點(diǎn)陣七種指令與CPU 接口采用8占空比1/64位數(shù)據(jù)總線并行輸入輸出和8 條控制線工作溫度-10+50溫度-20+70二外形尺寸圖外形尺寸圖12外形尺寸三模塊主要硬件說明1ITEM 項(xiàng)目NOMINAL DIMEN 標(biāo)稱尺寸UNIT模塊體積54.0W 50.0H 6.0Dmm視域43.5 29.0mm行列點(diǎn)陣數(shù)128 64dots點(diǎn)距離0.32W 0.0.39Hmm點(diǎn)大小0.28W 0.35Hmm注CSA 控制模塊的1 結(jié)構(gòu)框圖說明IC1為行驅(qū)動(dòng)器 IC2 IC3CSB 控制模塊的右半屏為列驅(qū)動(dòng)器 外部的CPU 通過13 根線對(duì)模塊進(jìn)行控制 其中DB7-DB0為8位

3、并行數(shù)據(jù)總線 E R/W D 均為控制信號(hào)線 CSA CSB 則為選屏信號(hào) 分別控制左 右半屏2 電源部分接口圖說明模塊及其LED背光源均由外部提供+5V電源通過調(diào)節(jié)外接的電位器VR的阻值用戶可以控制LCD模塊顯示圖形的清晰度J1J2 為控制LED 背光源工作狀態(tài)的兩個(gè)跳線當(dāng)J1J2接通時(shí)LED背光源處于發(fā)光狀態(tài)當(dāng)J13 電源部分接口圖J2 接通時(shí)LED背光源處于不發(fā)光狀態(tài)四模塊的外部接口外部接口信號(hào)如下表所示2管腳名稱電平管腳功能描述1VSS0V電源地2VDD+5V正電源3Vo-液晶顯示器驅(qū)動(dòng)電壓ZY12864D 的空腳不接4D/IH/LD/I= HD/I 為表示DB7 DB0 為顯示數(shù)據(jù)D

4、/I= LD/I 為低電平表示DB7 DB0 為顯示指令數(shù)據(jù)5R/WH/LR/W= LE= H L 時(shí)可將數(shù)據(jù)寫入模塊R/W= HE= H時(shí)可將DDRAM 數(shù)據(jù)讀到模塊DB7 DB06EH/L同R/W 管腳注釋7DB0H/LDB7-DB0 為8 位并行數(shù)據(jù)總線 DB7 為最DB0 為最低位8DB1H/L9Db2H/L10DB3H/L11DB4H/L12DB5H/L13DB6H/L14DB7H/L15CSAH/LH:擇ICA 即選擇后64 列 (半屏) 號(hào)16CSBH/LH:擇ICB 即選擇前64 列 (半屏) 號(hào)17/RESH/L18VEE-10VLCD 驅(qū)動(dòng)負(fù)電壓19BL+ACEL 背光板電

5、源20BL-ACEL 背光板電源五指令說明指令表1. 顯示開關(guān)控制(DISPLAYON/OFF)D=1 開顯示(DISPLAY ON)意即顯示器可以進(jìn)行各種顯示操作D=1 關(guān)顯示(DISPLAY OFF)意即不能對(duì)顯示器可以進(jìn)行各種顯示操作2. 設(shè)置顯示起始行前面在Z地址計(jì)數(shù)器一節(jié)已經(jīng)描述了顯示起始行是由Z地址計(jì)數(shù)器控制的自動(dòng)送入Z地址計(jì)數(shù)器起始行的地址可以是0 63 的任意一行A5A0的6 位地址例如選擇A5A0 是62 則起始行與DDRAM 63 0 1 2 32 3 4 5 6行的對(duì)應(yīng)關(guān)系如下DDRAM行6228 2931 32屏幕顯示行13. 設(shè)置頁(yè)地址所謂頁(yè)地址就是DDRAM 的行地

6、址,8行為一頁(yè),模塊共64行即8頁(yè), A2A0表示0 7頁(yè)讀寫數(shù)據(jù)對(duì)有影響頁(yè)地址由本指令或RST 信號(hào)改變復(fù)位后頁(yè)地址為0 頁(yè)地址與DDRAM 的對(duì)應(yīng)關(guān)系見DDRAM 地址表4. 設(shè)置Y 地址(SET Y ADDRESS)此指令的作用是將A5 A0 送入Y 地址計(jì)數(shù)器,作為DDRAM 的Y 地址指針 在對(duì)DDRAM 進(jìn)行讀寫操作后Y 地址指針自動(dòng)加1 指向下一個(gè)DDRAM 單元3代碼D/IR/WDB7DB6DB5DB4DB3DB2DB1DB0形式0001A5A4A3A2A1A0代碼D/IR/WDB7DB6DB5DB4DB3DB2DB1DB0形式0010111A2A1A0代碼D/IR/WDB7D

7、B6DB5DB4DB3DB2DB1DB0形式0011A5A4A3A2A1A0代碼D/IR/WDB7DB6DB5DB4DB3DB2DB1DB0形式000011111D指令指令碼功能D/IR/WDB7DB6DB5DB4DB3DB2DB1DB0顯示ON/OFF0000111111/0控制顯示器的開關(guān)不影響DDRAM 中數(shù)據(jù)和狀態(tài)0 OFF1 ON顯示起始行0011顯示起始行063指定顯示屏從DDRAM 中哪一行開始顯示數(shù)據(jù)設(shè)置X地址0010111X 07設(shè)置DDRAM 中的頁(yè)地址(X 地址)設(shè)置Y地址0001Y地址063設(shè)址(Y 地址)讀狀態(tài)01BUSY0ON/ OFFRST0000狀態(tài)BUSY 0

8、:準(zhǔn)備好 1: 忙 ON/OFF 1:顯示開 0:顯示關(guān) RST 1:復(fù)位 0:正常寫顯示數(shù)據(jù)10顯示數(shù)據(jù)將數(shù)據(jù)線上的數(shù)據(jù)DB7 DB0寫入DDRAM讀顯示數(shù)據(jù)11顯示數(shù)據(jù)將DDRAM 上的數(shù)據(jù)讀入線數(shù)據(jù)DB7 DB0DDRAM 地址表5. 讀狀態(tài)(SUS READ)當(dāng) R/W=1 并 D/I=0 時(shí) 在E 信號(hào)為 H 的作用下 控制IC 的狀態(tài)分別輸出到數(shù)據(jù)總線的相應(yīng)位DB7DB0BUSY ON/OFF RST0:準(zhǔn)備好 1:忙1:顯示開 0:顯示關(guān)RST=1 表示正在初始化此時(shí)組件不接受任何指令和數(shù)據(jù)6. 寫顯示數(shù)據(jù)(WRITE DISPLAY DATE)D7 D0 為顯示數(shù)據(jù),此指令把D

9、7 D0 寫入相應(yīng)的DDRAM7. 讀顯示數(shù)據(jù)(READ DISPLAY DATE)單元Y 地指針自動(dòng)加1此指令把DDRAM 的內(nèi)容D7D0 讀到數(shù)據(jù)總線DB7DB0Y地址指針自動(dòng)加1六讀寫操作時(shí)序1. 寫操作時(shí)序4代碼D/IR/WDB7DB6DB5DB4DB3DB2DB1DB0形式11D7D6D5D4D3D2D1D0代碼D/IR/WDB7DB6DB5DB4DB3DB2DB1DB0形式10D7D6D5D4D3D2D1D0代碼D/IR/WDB7DB6DB5DB4DB3DB2DB1DB0形式10BUSY0ON/OFFRST0000CS2=1CS1=1Y =126263016263行號(hào)X0 X7DB

10、0DB7DB0DB7DB0DB7DB0DB7DB0DB7DB0DB7DB0DB7DB0DB7DB0DB7DB0DB707DB0DB7DB0DB7DB0DB7DB0DB7DB0DB7DB0DB7DB0DB7DB0DB7DB0DB7DB0DB7855DB0DB7DB0DB7DB0DB7DB0DB7DB0DB7DB0DB7DB0DB7DB0DB7DB0DB7DB0DB756632.讀操作時(shí)序3.接口信號(hào)讀寫時(shí)序參數(shù)表七應(yīng)用舉例ZY12864D 液晶模塊與PhilipsP8751 單片機(jī)的一種簡(jiǎn)單接口如下圖所示下面給出基于上圖的一段實(shí)用源程序作為指令表的補(bǔ)充說明該程序包括了指令表中所有指令的運(yùn)用方法這

11、DIE RW CSA CSB當(dāng)按上圖連接好電路后可以運(yùn)行此時(shí)將在模塊 ZY12864D 上顯示您好致遠(yuǎn)電子公司字樣EQU EQU EQU EQU EQUP3.3 P3.0 P3.1 P3.4 P3.55名稱符號(hào)最小值典型值最大值E 周期時(shí)間Tcyc1000-nSE 信號(hào)寬度Pweh450-nSE 信號(hào)低電平寬度Pwel450-nSE 信號(hào)上升時(shí)間Tr-25nSE 信號(hào)下降時(shí)間Tf-25nS地址建立時(shí)間Tas140-nS地址保持時(shí)間Tah10-nS數(shù)據(jù)建立時(shí)間Tdsw200-nS數(shù)據(jù)延遲時(shí)間Tddr-320nS寫數(shù)據(jù)保持時(shí)間Tdhw10-nS讀數(shù)據(jù)保持時(shí)間Tdhw20-nS0000H LJMP

12、MAIN0100Hclr ea clr csA CLR E CLR RWlcall initMAIN:;選擇MOV 34H,#0ffH LCALL DISPLAY_ALLlcall dly100MOV 34H,#00H LCALL DISPLAY_ALLlcall plybw lcall dly100MOV 34H,#00H LCALL DISPLAY_ALLMOV R1,#0C0H LCALL WRI;START = 0mov 31h,#0 mov 30h,#0MOV 30H, #0MOV 31H, #8 MOV DPTR,#HZI7LCALL outhz;x;y;您MOV 30H,#0 M

13、OV 31H,#40 MOV DPTR,#HZI8LCALL outhz;好MOV 30H,#4 MOV 31H,#16 MOV DPTR,#HZI1LCALL outhz;致MOV 30H,#4 MOV 31H,#32 MOV DPTR,#HZI2LCALL outhz;遠(yuǎn)MOV 30H,#6 MOV 31H,#0 MOV DPTR,#HZI3LCALL outhz;電MOV 30H,#66MOV 31H,#16 MOV DPTR,#HZI4LCALL outhz;子MOV 30H,#6 MOV 31H,#32 MOV DPTR,#HZI5LCALL outhz;公MOV 30H,#6 MO

14、V 31H,#48 MOV DPTR,#HZI6LCALL outhz;司LCALL DLY100 LJMP MAININIT:CLR LCALL LCALL LCALL LCALLsetb MOV LCALL MOV LCALL MOV LCALL RETRST DLY50 DLY50 DLY50 DLY50rst R1,#3FH WRI R1,#0C0H WRI 34H,#00H;RESET初始化子程序;DISPLAY ON;START = 0DISPLAY_ALLDISPLAY_ALL:MOV R1,#0C0H LCALL WRI;START = 0全黑屏子程序MOV MOV MOV M

15、OV LCALL MOV LCALL MOV MOV LCALL DJNZ INC DJNZ RETR7,#8 R2,#0B8H A,R2R1,A ; X+1 WRI;DISPLAY DATA=34HLOP1:R1,#40H WRI R5,#64 R1,34H WRD R5,LOP11 R2 R7,LOP1; YLOP11:OUTHZ:NOP NOPMOV R1,#0C0H LCALL WRI MOV R7,#2 MOV A,#0B8H顯示漢字子程序;30h=x (0-6) 31h=y(0-63-16);START = 07ADD A,30H MOV 30H,A MOV A,R2 MOV R1

16、,30H LCALL WRI MOV A,#40H ADD A,31H MOV 31H,A MOV R1,A LCALL WRI MOV R5,#16 MOV A,#00H MOVC A, MOV R1,A LCALL WRD LCALL DLY10 INC DPTR DJNZ R5,HZ1 INC 30H DJNZ R7,HZ2 RET;B8+X;A30HHZ2:; X+1; Y;40+YHZ1:TRPLYBW:NOPMOV R1,#0C0H LCALL WRImov 30h,#0 mov 31h,#0 mov dptr,#bw MOV R7,#8 MOV A,#0B8H顯示黑白相間塊的子程

17、序;START = 0ADD A,30H MOV 30H,A MOV R1,30H LCALL WRImov R1,#40h LCALL WRI MOV R5,#64 MOV A,#00H MOVC A, MOV R1,A LCALL WRD LCALL DLY10 INC DPTR;B8+X;A30H; X+1HZ2bw:HZ1bw:TRDJNZ R5,HZ1bw INC 30HDJNZ R7,HZ2bw RETWRI: CLR ECLR DI MOV P1, R1lcall DLY10 CLR E LCALL DLY10 SETB E寫指令子程序8LCALL DLY10 CLR E LCA

18、LL DLY10 LCALL DLY10 LCALL DLY10 RETWRD:CLR SETB MOVE DIP1, R1寫數(shù)據(jù)子程序lcall DLY10CLRELCALL DLY10SETBELCALL DLY10 CLR E LCALL DLY10 LCALL DLY10 LCALL DLY10 RETDLY10:MOV R3,#01H DL1:MOV R4,#01H DL2:MOV R6,#0FH DL3:DJNZ R6,DL3 DJNZ R4,DL2 DJNZ R3,DL1RET DLY50:MOV R3,#04H DL111:MOV R4,#0FH DL222:MOV R6,#0

19、AFHDL333:DJNZ R6,DL333DJNZ R4,DL222 DJNZ R3,DL111 RETDLY100:MOV R3,#06H DL11:MOV R4,#0FFH DL22:MOV R6,#0FFH DL33:DJNZ R6,DL33DJNZ R4,DL22 DJNZ R3,DL11 RET; 延時(shí)子程序1; 延時(shí)子程序2; 延時(shí)子程序30340HHZI1: ;致DB 00H, 22H, 32H, 2EH,0E2H, 2AH, 72H, 22H, 30H,0DFH, 12H, 10H,0F0H, 10H, 10H, 00H DB 00H, 21H, 21H, 21H, 3FH,

20、 11H, 91H, 51H, 20H, 13H, 0CH, 12H, 21H, C0H, 40H, 00H HZI2: ;遠(yuǎn)DB 40H, 42H, 4CH,0C4H, 20H, 22H, 22H,0E2H, 22H, 22H,0E2H, 22H, 22H, 20H, 20H, 00H,DB 00H, 40H, 20H, 1FH, 20H, 48H, 44H, 43H, 40H, 40H, 47H, 48H, 48H, 48H, 4EH, 00H, HZI3: ;電DB 00H,0f8H, 48H, 48H, 48H, 48H,0ffH, 48H, 48H, 48H, 48H,0fcH, 0

21、8H, 00H, 00H, 00HDB 00H, 07H, 02H, 02H, 02H, 02H, 3fH, 42H, 42H, 42H, 42H, 47H, 40H, 70H, 00H, 00H HZI4: ;子DB 80H, 80H, 82H, 82H, 82H, 82H, 82H,0e2H,0a2H, 92H, 8aH, 86H, 80H,0c0H, 80H, 00H9DB 00H, HZI5: ;公 DB 00H,DB 01H, HZI6: ;司 DB 10H,DB 00H, HZI7: ;您 DB 40H,DB 40H, HZI8: ;好 DB 10H,DB 40H,00H, 00H

22、, 00H, 00H, 40H, 80H, 7fH, 00H, 00H, 00H, 00H, 00H, 00H,00H,00H00H, 80H, 40H, 30H, 0cH, 00H,0c0H, 06H, 18H, 20H, 40H, 80H, 80H,01H, 00H, 30H, 28H, 24H, 23H, 20H, 20H, 28H, 30H, 60H, 00H, 01H,80H,00H,00H00H10H, 92H, 92H, 92H, 92H, 92H, 92H,0d2H, 9aH, 12H, 02H,0ffH, 02H,00H, 3fH, 10H, 10H, 10H, 10H, 1

23、0H, 3fH, 00H, 40H, 80H, 7fH, 00H,00H,00H,00H00H20H, 10H,0fcH, 23H, 10H, 8cH, 67H, 04H,0f4H, 04H, 44H, 94H, 8cH,00H,60H,00H00H30H, 00H, 77H, 80H, 81H, 88H, 92H,0b4H, 83H, 80H,0e0H, 00H, 11H,10H,0f0H, 1fH, 10H,0f0H, 80H, 82H, 82H, 82H,0e2H, 92H, 8aH,0c6H,22H, 15H, 08H, 14H, 63H, 00H, 00H, 40H, 80H, 7f

24、H, 00H, 00H, 00H,80H,00H,00H00Hbw:DB DB DB DB0ffH,0ffH,0ffH,0ffH,0ffH,0ffH,0ffH,0ffH, 00H, 00H, 00h, 00H, 00H, 00H,0ffH,0ffH,0ffH,0ffH,0ffH,0ffH,0ffH,0ffH, 00H, 00H, 00h, 00H, 00H, 00H,0ffH,0ffH,0ffH,0ffH,0ffH,0ffH,0ffH,0ffH, 00H, 00H, 00h, 00H, 00H, 00H,0ffH,0ffH,0ffH,0ffH,0ffH,0ffH,0ffH,0ffH, 00H,

25、 00H, 00h, 00H, 00H, 00H,00H,00H,00H,00H,00H00H00H00HDB DB DB DB00H, 00H, 00H, 00H, 00H, 00H, 00H, 00H,0ffh,0ffH,0ffH,0ffH,0ffH,0ffH,0ffH,0ffH00H, 00H, 00H, 00H, 00H, 00H, 00H, 00H,0ffH,0ffH,0ffH,0ffH,0ffH,0ffH,0ffH,0ffH00H, 00H, 00H, 00H, 00H, 00H, 00H, 00H,0ffh,0ffH,0ffH,0ffH,0ffH,0ffH,0ffH,0ffH00

26、H, 00H, 00H, 00H, 00H, 00H, 00H, 00H,0ffH,0ffH,0ffH,0ffH,0ffH,0ffH,0ffH,0ffHDB DB DB DB0ffH,0ffH,0ffH,0ffH,0ffH,0ffH,0ffH,0ffH, 00H, 00H, 00h, 00H, 00H, 00H, 00H, 00H0ffH,0ffH,0ffH,0ffH,0ffH,0ffH,0ffH,0ffH, 00H, 00H, 00h, 00H, 00H, 00H, 00H, 00H0ffH,0ffH,0ffH,0ffH,0ffH,0ffH,0ffH,0ffH, 00H, 00H, 00h,

27、 00H, 00H, 00H, 00H, 00H0ffH,0ffH,0ffH,0ffH,0ffH,0ffH,0ffH,0ffH, 00H, 00H, 00h, 00H, 00H, 00H, 00H, 00HDB DB DB DB00H, 00H, 00H, 00H, 00H, 00H, 00H, 00H,0ffh,0ffH,0ffH,0ffH,0ffH,0ffH,0ffH,0ffH00H, 00H, 00H, 00H, 00H, 00H, 00H, 00H,0ffH,0ffH,0ffH,0ffH,0ffH,0ffH,0ffH,0ffH00H, 00H, 00H, 00H, 00H, 00H,

28、00H, 00H,0ffh,0ffH,0ffH,0ffH,0ffH,0ffH,0ffH,0ffH00H, 00H, 00H, 00H, 00H, 00H, 00H, 00H,0ffH,0ffH,0ffH,0ffH,0ffH,0ffH,0ffH,0ffHDB DB DB DB0ffH,0ffH,0ffH,0ffH,0ffH,0ffH,0ffH,0ffH, 00H, 00H, 00h, 00H, 00H, 00H, 00H, 00H0ffH,0ffH,0ffH,0ffH,0ffH,0ffH,0ffH,0ffH, 00H, 00H, 00h, 00H, 00H, 00H, 00H, 00H0ffH,0ffH,0ffH,0ffH,0ffH,0ffH,0ffH,0ffH, 00H, 00H, 00h, 00H, 00H, 00H, 00H, 00H0ffH,0ffH,0ffH,0ffH,0ffH,0ffH,0ffH,0ffH, 00H, 00H, 00h, 00H, 00H, 00H, 00H, 00HDB DB DB DB00H, 00H, 00H,