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[]MSP430ϵеƬ(TI)1996꿪ʼгһ16 λ͹ĵĻźŴ(Mixed Signal Processor)֮ΪźŴҪʵӦ󣬰ģ·ֵ·΢һоƬϣṩƬMSP43016λƬ518λƬ,MSP430RISCָʱھͿִһָͬٶȽ5112ƬԴҲMSPϷḻ

MSP430ϵеƬ(TI)1996꿪ʼгһ16 λ͹ĵĻźŴ(Mixed Signal Processor)֮ΪźŴҪʵӦ󣬰ģ·ֵ·΢һоƬϣṩ“Ƭ”MSP43016λƬ518λƬ,MSP430RISCָʱھͿִһָͬٶȽ5112ƬԴҲMSPϷḻ

кܶӦ򣬱DZԶ豸õȣ㼰ƹܵҪ󲻸ߣü򵥵ĿɴﵽĿЧһЩɱܺϸҪӦһĿѴﵽӦĿҪΪЩӦҪ󣬾о˵ƬƬһּʽ·оƬҪþгģļɵ·Խжݽд봦CPURAMROMI/Oжϵͳʱȸֹܼһ΢СĹƬϣӶγһԵ΢ͼϵͳ

msp430ϵеƬһ͵16λƬҪصǹСٶȿ죬Ҫciarɿ msp430ƬвͬϵУfϵУcϵСfϵmsp40f135ʾromflash͵ġõfϵе13ϵ14ϵС13ϵеmsp430f133msp430f135֡14ϵеmsp430f149ȡ c51Ƭںˣs52Ƭˡ

 

 

msp43051

Ҫǵںȫһ

MSP430ں˲RISCָṹ٣ոӳ̶ָڼʮٶ಻ȣִЧʸߣԼĴĶдɶԹģúеġ

51ھCISCָṹȽ϶࣬ӣָҲӣȵİٶൽڿѳ2ˣִЧʲRISCṹġ

ĻṹصRISCṹͬϵͳƵϣRISCṹıCISCṹЧʸߺٶȿ졣

MSP430RISCָʱھͿִһָͬٶȽ5112

ƬԴҲMSPϷḻ

ԣMSP430ǿٶȿ죬51ԣЩԵơ

ǣMSP430ΪźŴӦã๦δãٶҪҲǺܸߣ51ͬʤεĻͿֳ51ɱͣԴḻλѰַݵŵ㡣

MSP430Ƭ51ƬĿCֻǸⲿüڲʹöӦCMSP430Ƭ51ƬҪ¼棺

һֵƬλͬMSP430ƬλΪ16λ51ƬλΪ8λ

ڶֵƬƴںܴ51ƬҪƾϵͳڲӲ䶼һİλϵͳΪ“λ”“”51ƬλIJֻֽͨڶλ䲻ɴƬڵһЩ⹦ܵļĴλ紫͡㡢Եȣһɶλ߼㣬൱걸Ĺܣûʹá

ȻMSP430ƬƲdz͹ģһٶȿ졢ǿƬԴḻơ

89C51ϵеƬΪ8λƬȡָҪ“CISC”һַdzӵָܹ111ָ

ȻMSP430Ƭһ16λƬѭ“͸”ԭȡָǾָṹָֻܹ27dz࣬󲿷ָģָҲƷָڽмʱ󲿷ּĴλƬڵݴ洢ɲ룬ɽжļ㡣

Щںָһ־еԵָЩںָӦòʹMSP430ǿĹܣһٶȡ⣬89C51ϵеƬĵԴѹΪ5Vʵֵ͹ĵķʽҪд硣

ͨ£89C51ϵеƬĵ24mA;״̬ĵΪ3mA;ڵ״̬£89C51ϵеƬĵԴѹѹ2V仹Ҫṩ50uAҵĵʹڲRAMеݵԱ档ȻMSP430Ƭڵ͹ⷽиơ

MSP430оƬʵֹʽ

(1)ʽ(AM)봦CPUΧģʽѱֻ״̬;

(2)͹0(LPM0)봦CPUֹͣ״̬Χģʽ״̬ACLKSMCLCЧ״̬MCLKɶԻ·п;

(3)͹ķʽ1(LPM1)봦CPUֹͣ״̬Χģʽ״̬ACLKSMCLKЧ״̬MCLKܶԻ·п;

(4)͹ķʽ2(LPM2)봦CPUֹͣ״̬Χģʽ״̬ACLKЧ״̬SMCLKMCLKܶԻ·п;

(5)͹ķʽ3(LPM3)봦CPUֹͣ״̬Χģʽ״̬ACLKЧ״̬SMCLKMCLKܶԻ·пƣͬʱֿDCODCر״̬;

(6)͹ķʽ4(LPM4)봦CPUֹͣ״̬ϵͳṩⲿʱΧģʽ״̬ACLKźŽֹ״̬Ҿֹͣ״̬ SMCLKMCLKܶԻ·пƣͬʱֿDCODCر״̬

ֵƬģ⹦ϴ89C51ϵеƬΪڲΪ8λ󲿷ڲģҲ8λģʹоѼ˺ܶ๦ģ飬ڲѹ̶Ϊ8λṹƣ˺Ӹģ⹦ܲ

ȻMSP430ϵеƬ16λṹͬʱתڲȻ8λ;MSP430ϵеƬĻṹͣһֿʽļܹ˶MSP430ϵеƬ˵8λģ飬16λģ飬䶼ʵ֡

֮⣬MSP430ϵеƬʵģתģתҲMSP430ϵеƬܹ֮Ѹ١书ܲҪԭ֮һ

ڶоƬѡʱҲҪ֤󻯵оƬʣҪ֤ʹõıԡˣʵʵӦõУԵƬѡʱһҪϸͬƬص㼰֮ľѡȷĵƬʵоƬʵ󻯡

MSP430Ƭ51Ƭ䶼Ķص㣬ҲԵơͨ˵ʵʵӦõУƬѡͨȡĸӶȣΪ֤ƬѡȷԣͱҪԵƬܼصгֵ˽ϤԼͬƬ֮ϵ벻֮ͬ

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