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ڵλãʮij_ٷ > 1602Һʾָƽ
1602Һʾָƽ
ԴLCDҺҵѶ         ʱ䣺2018/12/19
1602Һʾָƽ-LCDҺҵѶ

Һ΢ġСʾݷḻɵŵ㣬ڸDZ͵͹ϵͳеõ㷺ӦáʾݿԷΪַҺͼҺʾֿԷΪ16֣216֣20ֵȵȡҪܵ1602Һ16X2еַҺ飬1602ҺҺʹ÷Χ㣬гƷࡣ
Ʒ
1.λ࣬ʾ32λ32൱Ӵ
2.ʾݷḻʾʮij_ٷֺʹСдĸ
3.򵥣̬ܶʾռúܶʱˢʾ1602Զɴ˹ܡ
1602ҺŽӿ
1ţVSSΪصԴ
2ţVDD5VԴ
3ţV0ΪҺʾԱȶȵˣԴʱԱȶӵصԴʱԱȶߣԱȶȹʱӰʹʱͨһ10KĵλԱȶȣӵأŪʮij_ٷ᲻ʾ
4ţRSΪĴѡ񣬸ߵƽʱѡݼĴ͵ƽʱѡָĴ
5ţRWΪдźߣߵƽʱж͵ƽʱд
6ţEΪʹܶˣEɸߵƽɵ͵ƽʱҺִ
714ţD0D7Ϊ8λ˫ߡ
1516ţսţʮij_ٷӱ⣩
1602Һַ
1602Һڲַ洢CGROM)Ѿ洢˲ͬĵַͼΣЩַʮij_ٷ棬֡ӢĸĴСдõķšļȣÿһַʮij_ٷһ̶Ĵ룬ĸͬASCIIݡڲʮij_ٷԶַCGRAMҵ洢Ѷַ
1602Һָ
1602趨дƶָͨɣʮij_ٷ11ָ£
ָ1ʾ긴λַ00Hλá
ָ2긴λ귵صַ00H
ָ3ʾģʽI/Dƶ򣬸ߵƽƣ͵ƽƣS:Ļʮij_ٷǷƻơߵƽʾʮij_ٷЧ͵ƽЧ
ָ4ʾؿơDʾĿأߵƽʾʾ͵ƽʾʾCƹĿأߵƽʾʮij_ٷ꣬͵ƽʾ޹BƹǷ˸ߵƽ˸͵ƽ˸
ָ5ʾλS/Cߵƽʱƶʾ֣͵ƽʱƶꡣR/L󣬵ҡ
ָ6DLߵƽʱΪ4λߣ͵ƽʱΪ8λN͵ƽʱΪʾߵƽʱ˫ʾF:͵ƽʱʾ5x7ĵַߵƽʱʾ5x10ĵַʮij_ٷЩDLߵƽʱΪ8λߣ͵ƽʱΪ4λߣ
ָ7ַRAMַãַַַ*8+ַ(һֳַ5*8һдһУ8оһַ)
ָ8ʾַһΪ00H0FH,ڶΪ40H4FH
ָ9æźź͹ַBFΪæ־λߵƽʾæʱ鲻ܽݣΪ͵ƽʾæ
ָ10дݡ
ָ11ݡ
1602Һʾ
ҺĵڶеһַλʾĸAij
[KeiluVision2ͨAT89S51+12M+JHD162Aɹʾ]
MCS51Ƭ
ORG0000H
RSEQUP3.7;ȷӲӷʽ
RWEQUP3.6;ȷӲӷʽ
EEQUP3.5;ȷӲӷʽ
MOVP1,#00000001B;긴λ
ACALLENABLE;дӳ
MOVP1,#00111000B;ʾģʽ,8λ25X7
ACALLENABLE;дӳ
MOVP1,#00001111B;ʾ꿪˸
ACALLENABLE;дӳ
MOVP1,#00000110B;ֲԶ
ACALLENABLE;дӳ
MOVP1,#0C0H;дʾʼַڶеһλã
ACALLENABLE;дӳ
MOVP1,#01000001B;ĸAĴ
SETBRS;RS=1
CLRRW;RW=0;׼д
CLRE;E=0;ִʾ
ACALLDELAY;жҺǷæ?
SETBE;E=1;ʾ,ͣ
AJMP$
ENABLE:
CLRRS;дӳ
CLRRW
CLRE
ACALLDELAY
SETBE
RET
DELAY:
MOVP1,#0FFH;жҺʾǷæӳ
CLRRS
SETBRW
CLRE
NOP
SETBE
JBP1.7,DELAY;P1.7Ϊߵƽʾæѭȴ
RET
END

һƪ:    1602Һʾָƽ
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