【正文】 RST輸入復(fù)位信號(hào)復(fù)位信號(hào)有效時(shí)，關(guān)閉液晶顯示，使顯示起始行為0，RST可跟MPU相連，由MPU控制；也可直接接VDD，使之不起作用。 列地址（Y Address）設(shè)置指令R/W RSDB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0 0 0 0 1 顯示列地址（063）設(shè)置了頁(yè)地址和列地址，就唯一確定了顯示RAM中的一個(gè)單元，這樣MPU就可以用讀、寫指令讀出該單元中的內(nèi)容或向該單元寫進(jìn)一個(gè)字節(jié)數(shù)據(jù)。/CSA跟HD61202（1）的/CS1相連；/CSB跟HD61202（2）的CS1相連，因此/CSA、/CSB選通組合信號(hào)為/CSA，/CSB=01選通（1），/CSA，/CSB=10選通（2）。”=06H DB 000H,000H,005H,003H,000H,000H,000H,000H ；“185。HY19264也只有兩個(gè)片選端CSA和CSB引出供MPU接口選通，如下圖所示： VDD 61103A 64 LCD：VGLS19264 VSS 19264 DOT S VO 64 64 64 /SCA 61102 61202 61102 /CBS DB0 DB7 D/I R/W E 由圖中可以看出，/CSA，/CSB選通組合信號(hào)為/CSA，/CSB=00選通HD61202（1）；/CSA，/CSB=01選通HD61202（2）；/CSA，/CSB=10選通HD61203（3）無論對(duì)于HY12864還是對(duì)于HY19264，都只要供給VDD、VSS和V0即可，HD61202和HD61203所需的電源將有模塊內(nèi)部電路在VDD和V0、VSS的作用下產(chǎn)生。第二章HY12864和HY19264的電路結(jié)構(gòu)特點(diǎn)HY12864和HY19264均是使用HD61202作為列驅(qū)動(dòng)器，同時(shí)使用HD61203作為行驅(qū)動(dòng)器的液晶模塊?，F(xiàn)分別介紹如下。本手冊(cè)將有選擇的介紹HD61202,詳細(xì)的敘述內(nèi)置HD61202的液晶顯示模塊HY12864和HY19264的應(yīng)用方法。以上為與微處理器的接口信號(hào)。 讀狀態(tài)指令R/W RSDB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0 1 0BUSY 0 ON/OFF REST 0 0 0 0該指令用來查詢HD61202的狀態(tài)，各參量含義如下： BUSY：1內(nèi)部在工作 0正常狀態(tài) ON/OFF：1顯示關(guān)閉 0顯示打開 REST： 1復(fù)位狀態(tài) 0正常狀態(tài)在BUSY和REST狀態(tài)時(shí)，除讀狀態(tài)指令外，其它指令均不對(duì)HD61202產(chǎn)生作用。HY19264中共有三片HD61202和一片HD61203?！?07H DB 000H,000H,01CH,022H,041H,000H,000H,000H ；“（”=08H DB 000H,000H,041H,022H,01CH,000H,000H,000H ；“）”=09H DB 000H,014H,008H,03EH,008H,014H,000H,000H ；“*”=0AH DB 000H,008H,008H,03EH,0H08,008H,000H,000H ；“+”=0BH DB 000H,000H,050H,030H,000H,000H,000H,000H ；“；”=0CH DB 000H,008H,008H,008H,008H,000H,000H,000H ；“”=0DH DB 000H,000H,060H,060H,000H,000H,000H,000H ；“.”=0EH DB 000H,020H,010H,008H,004H,002H,000H,000H ；“/”=0FH DB 000H,03EH,051H,049H,045H,03EH,000H,000H ；“0”=10H DB 000H,000H,042H,07FH,040H,000H,000H,000H ；“1”=11H DB 000H,042H,061H,051H,049H,046H,000H,000H ；“2”=12H DB 000H,021H,041H,045H,04BH,031H,000H,000H ；“3”=13H DB 000H,018H,014H,012H,07FH,010H,000H,000H ；“4”=14H DB 000H,027H,045H,045H,045H,039H,000H,000H ；“5”=15H DB 000H,03CH,04AH,049H,049H,030H,000H,000H ；“6”=16H DB 000H,001H,001H,079H,005H,003H,000H,000H ；“7”=17H DB 000H,036H,049H,049H,049H,036H,000H,000H ；“8”=18H DB 000H,006H,049H,049H,029H,01EH,000H,000H ；“9”=19H DB 000H,000H,036H,036H,000H,000H,000H,000H ；“：”=1AH DB 000H,000H,056H,036H,000H,000H,000H,000H ；“；”=1BH DB 000H,008H,014H,022H,041H,000H,000H,000H ；“”=1CH DB 000H,014H,014H,014H,014H,014H,000H,000H ；“=”=1DH DB 000H,000H,041H,022H,014H,008H,000H,000H ；“”=1EH DB 000H,002H,001H,051H,009H,006H,000H,000H ；“？”=1FH DB 000H,032H,049H,079H,041H,03EH,000H,000H ；“”=20H DB 000H,07EH,011H,011H,011H,07EH,000H,000H ；“A”=21H DB 000H,041H,07FH,049H,049H,036H,000H,000H ；“B”=22H DB 000H,03EH,041H,041H,041H,022H,000H,000H ；“C”=23H DB 000H,041H,07EH,041H,041H,003H,000H,000H ；“D”=24H DB 000H,07EH,049H,049H,049H,049H,000H,000H ；“E”=25H DB 000H,07FH,009H,009H,009H,001H,000H,000H ；“F”=26H DB 000H,03EH,041H,041H,049H,07AH,000H,000H ；“G”=27H DB 000H,07FH,008H,008H,008H,07FH,000H,000H ；“H”=28H DB 000H,000H,041H,07FH,041H,000H,000H,000H ；“I”=29H DB 000H,020H,040H,041H,03FH,001H,000H,000H ；“J”=2AH DB 000H,07FH,008H,014H,022H,041H,000H,000H ；“K”=2BH DB 000H,07FH,040H,040H,040H,040H,000H,000H ；“L”=2CH DB 000H,07FH,002H,00CH,002H,07FH,000H,000H ；“M”=2DH DB 000H,07FH,006H,008H,030H,07FH,000H,000H ；“N”=2EH DB 000H,03EH,041H,041H,041H,03EH,000H,000H ；“O”=2FH DB 000H,07FH,009H,009H,009H,006H,000H,000H ；“P”=30H DB 000H,03EH,041H,051H,021H,05EH,000H,000H ；“Q”=31H DB 000H,07FH,009H,019H,029H,046H,000H,000H ；“R”=32H DB 000H,026H,049H,049H,049H,032H,000H,000H ；“S”=33H DB 000H,001H,001H,07FH,001H,001H,000H,000H ；“T”=34H DB 000H,03FH,040H,040H,040H,03FH,000H,000H ；“U”=35H DB 000H,01FH,020H,040H,020H,01FH,000H,000H ；“V”36H DB 000H,07FH,020H,018H,020H,07FH,000H,000H ；“W”=37H DB 000H,063H,014H,008H,014H,063H,000H,000H ；“X”=38H DB 000H,007H,008H,070H,008H,007H,000H,000H ；“Y”=39H DB 000H,061H,051H,049H,045H,043H,000H,000H ；“Z”=3AH DB 000H,000H,07FH,041H,041H,000H,000H,000H ；“[”=3BH DB 000H,002H,004H,008H,010H,020H,000H,000H ；“\”=3CH DB 000H,000H,041H,041H,07FH,000H,000H,000H ；“]”=3DH DB 000H,004H,002H,001H,002H,004H,000H,000H ；“?”=3EH DB 000H,040H,040H,000H,040H,040H,000H,000H ；“”=3FH DB 000H,001H,002H,004H,000H,000H,000H,000H ；“185。三片HD61202中，引腳ADC和RST的接法也同HY12864，所以在使用HY19264時(shí)也不必考慮這兩個(gè)引腳的影響。 寫數(shù)據(jù)指令R/W RSDB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0 0 1 寫 數(shù) 據(jù) 讀數(shù)據(jù)指令R/W RSDB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0 1 1 讀 顯 示 數(shù) 據(jù)讀、寫數(shù)據(jù)指令每執(zhí)行完一次讀、寫操作，列地址就自動(dòng)增一，必須注意的是，進(jìn)行讀操作之前，必須有一次空讀操作，緊接著再讀才會(huì)讀出所要讀的單元中的數(shù)據(jù)。Y1Y64液晶顯示驅(qū)動(dòng)端VDD，VSS內(nèi)部邏輯電源VEE1，VEE2液晶顯示驅(qū)動(dòng)電路的電源常令VEE1=VEE2V1LV