MSP430寄存器详述知识讲解.doc
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1、Good is good, but better carries it.精益求精,善益求善。MSP430寄存器详述-/*中断*/*中断使能1*/#defineIE1_0x0000sfrbIE1=IE1_;#defineWDTIE0x01/*看门狗中断使能*/#defineOFIE0x02/*外部晶振故障中断使能*/#defineNMIIE0x10/*非屏蔽中断使能*/#defineACCVIE0x20/*可屏蔽中断使能/flash写中断错误*/#defineURXIE00x40/*串口0接收中断使能*/#defineUTXIE00x80/*串口0发送中断使能*/中断使能IE1UTXIE0URX
2、IE0ACCVIENMIIEOFIEWDTIE/*中断标志1*/#defineIFG1_0x0002sfrbIFG1=IFG1_;#defineWDTIFG0x01/*看门狗中断标志*/#defineOFIFG0x02/*外部晶振故障中断标志*/#defineNMIIFG0x10/*非屏蔽中断标志*/#defineURXIFG00x40/*串口0接收中断标志*/#defineUTXIFG00x80/*串口0发送中断标志*/中断标志IFG1UTXIFG0URXIFG0NMIIFGOFIFGWDTIFG/*中断模式使能1*/#defineME1_0x0004sfrbME1=ME1_;#define
3、URXE00x40/*串口0接收中断模式使能*/#defineUSPIE00x40/*同步中断模式使能*/#defineUTXE00x80/*串口0发送中断模式使能*/中断模式使能ME1UTXE0URXE0USPIE0/*中断使能2*/#defineIE2_0x0001sfrbIE2=IE2_;#defineURXIE10x10/*串口1接收中断使能*/#defineUTXIE10x20/*串口1发送中断使能*/中断使能IE2UTXIE1URXIE1/*中断标志2*/#defineIFG2_0x0003sfrbIFG2=IFG2_;#defineURXIFG10x10/*串口1接收中断标志*/
4、#defineUTXIFG10x20/*串口1发送中断标志*/中断标志IFG2UTXIFG1URXIFG1/*中断模式使能2*/#defineME2_0x0005sfrbME2=ME2_;#defineURXE10x10/*串口1接收中断模式使能*/#defineUSPIE10x10/*同步中断模式使能*/#defineUTXE10x20/*串口1发送中断模式使能*/中断模式使能ME2UTXE1URXE1USPIE1/*看门狗*/#defineWDTCTL_0x0120P145sfrwWDTCTL=WDTCTL_;#defineWDTIS00x0001/*选择WDTCNT的四个输出端之一*/#
5、defineWDTIS10x0002/*选择WDTCNT的四个输出端之一*/#defineWDTSSEL0x0004/*选择WDTCNT的时钟源*/#defineWDTCNTCL0x0008/*清除WDTCNT端:为1时从0开始计数*/#defineWDTTMSEL0x0010/*选择模式0:看门狗模式;1:定时器模式*/#defineWDTNMI0x0020/*选择NMI/RST引脚功能0:为RST;1:为NMI*/#defineWDTNMIES0x0040/*WDTNMI=1时.选择触发延0:为上升延1:为下降延*/#defineWDTHOLD0x0080/*停止看门狗定时器工作0:启动;
6、1:停止*/看门狗控制寄存器WDTCTL口令WDTHOLDWDTNMIESWDTNMIWDTTMSELWDTCNTCLWDTSSELWDTIS1WDTIS0注:口令(15-8):读取为69H,写为5AH。#defineWDTPW0x5A00/*写密码:高八位*/*SMCLK=1MHz定时器模式*/#defineWDT_MDLY_32WDTPW+WDTTMSEL+WDTCNTCL/*TSMCLK*2POWER15=32ms复位状态*/#defineWDT_MDLY_8WDTPW+WDTTMSEL+WDTCNTCL+WDTIS0/*TSMCLK*2POWER13=8.192ms*/#defineW
7、DT_MDLY_0_5WDTPW+WDTTMSEL+WDTCNTCL+WDTIS1/*TSMCLK*2POWER9=0.512ms*/#defineWDT_MDLY_0_064WDTPW+WDTTMSEL+WDTCNTCL+WDTIS1+WDTIS0/*TSMCLK*2POWER6=0.512ms*/*ACLK=32.768KHz定时器模式*/#defineWDT_ADLY_1000WDTPW+WDTTMSEL+WDTCNTCL+WDTSSEL/*TACLK*2POWER15=1000ms*/#defineWDT_ADLY_250WDTPW+WDTTMSEL+WDTCNTCL+WDTSSEL+
8、WDTIS0/*TACLK*2POWER13=250ms*/#defineWDT_ADLY_16WDTPW+WDTTMSEL+WDTCNTCL+WDTSSEL+WDTIS1/*TACLK*2POWER9=16ms*/#defineWDT_ADLY_1_9WDTPW+WDTTMSEL+WDTCNTCL+WDTSSEL+WDTIS1+WDTIS0/*TACLK*2POWER6=1.9ms*/*SMCLK=1MHz看门狗模式*/#defineWDT_MRST_32WDTPW+WDTCNTCL/*TSMCLK*2POWER15=32ms复位状态*/#defineWDT_MRST_8WDTPW+WDTC
9、NTCL+WDTIS0/*TSMCLK*2POWER13=8.192ms*/#defineWDT_MRST_0_5WDTPW+WDTCNTCL+WDTIS1/*TSMCLK*2POWER9=0.512ms*/#defineWDT_MRST_0_064WDTPW+WDTCNTCL+WDTIS1+WDTIS0/*TSMCLK*2POWER6=0.512ms*/*ACLK=32.768KHz看门狗模式*/#defineWDT_ARST_1000WDTPW+WDTCNTCL+WDTSSEL/*TACLK*2POWER15=1000ms*/#defineWDT_ARST_250WDTPW+WDTCNTC
10、L+WDTSSEL+WDTIS0/*TACLK*2POWER13=250ms*/#defineWDT_ARST_16WDTPW+WDTCNTCL+WDTSSEL+WDTIS1/*TACLK*2POWER9=16ms*/#defineWDT_ARST_1_9WDTPW+WDTCNTCL+WDTSSEL+WDTIS1+WDTIS0/*TACLK*2POWER6=1.9ms*/*基本定时器*/#defineBTCTL_(0x0040)/*控制寄存器*/MSP430F4XX系列(P148)#defineBTIP0(0x01)#defineBTIP1(0x02)#defineBTIP2(0x04)/*B
11、TIP2-0:定时中断频率*/#defineBTFRFQ0(0x08)#defineBTFRFQ1(0x10)/*输出fLCD信号*/#defineBTDIV(0x20)/*fCLK2=ACLK:256*/#defineBTHOLD(0x40)/*0:启动;1:停止*/#defineBTSSEL(0x80)/*fBT=fMCLK(mainclock)*/基本计时器控制寄存器BTSSELBTHOLDBTDIVBTFRFQ1BTFRFQ0BTIP2BTIP1BTIP0#defineBTCNT1_(0x0046)/*BasicTimerCount1*/#defineBTCNT2_(0x0047)/*
12、BasicTimerCount2*/*FrequencyoftheBTCNT2codedwithBit5and7inBTCTL*/#defineBT_fCLK2_ACLK(0x00)#defineBT_fCLK2_ACLK_DIV256(BTDIV)/*256分频*/#defineBT_fCLK2_MCLK(BTSSEL)#defineBT_fCLK2_ACLK_DIV256(BTSSEL+BTDIV)/*很少使用吧*/*InterruptintervaltimefINTcodedwithBits0-2inBTCTL*/#defineBT_fCLK2_DIV2(0x00)/*fINT=fCLK
13、2:2(default)*/#defineBT_fCLK2_DIV4(BTIP0)/*fINT=fCLK2:4*/#defineBT_fCLK2_DIV8(BTIP1)/*fINT=fCLK2:8*/#defineBT_fCLK2_DIV16(BTIP1+BTIP0)/*fINT=fCLK2:16*/#defineBT_fCLK2_DIV32(BTIP2)/*fINT=fCLK2:32*/#defineBT_fCLK2_DIV64(BTIP2+BTIP0)/*fINT=fCLK2:64*/#defineBT_fCLK2_DIV128(BTIP2+BTIP1)/*fINT=fCLK2:128*/
14、#defineBT_fCLK2_DIV256(BTIP2+BTIP1+BTIP0)/*fINT=fCLK2:256*/*FrequencyofLCDcodedwithBits3-4*/#defineBT_fLCD_DIV32(0x00)/*fLCD=fACLK:32(default)*/#defineBT_fLCD_DIV64(BTFRFQ0)/*fLCD=fACLK:64*/#defineBT_fLCD_DIV128(BTFRFQ1)/*fLCD=fACLK:128*/#defineBT_fLCD_DIV256(BTFRFQ1+BTFRFQ0)/*fLCD=fACLK:256*/*LCDfr
15、equencyvalueswithfBT=fACLK*/#defineBT_fLCD_1K(0x00)/*fACLK:32(default)*/#defineBT_fLCD_512(BTFRFQ0)/*fACLK:64*/#defineBT_fLCD_256(BTFRFQ1)/*fACLK:128*/#defineBT_fLCD_128(BTFRFQ1+BTFRFQ0)/*fACLK:256*/*LCDfrequencyvalueswithfBT=fMCLK*/#defineBT_fLCD_31K(BTSSEL)/*fMCLK:32还是fMCLK?*/#defineBT_fLCD_15_5K(
16、BTSSEL+BTFRFQ0)/*fMCLK:64*/#defineBT_fLCD_7_8K(BTSSEL+BTFRFQ1+BTFRFQ0)/*fMCLK:256*/*withassumedvluesoffACLK=32KHz,fMCLK=1MHz*/*fBT=fACLKisthoughtforlongerintervaltimes*/#defineBT_ADLY_0_064(0x00)/*0.064msinterval(default)*/#defineBT_ADLY_0_125(BTIP0)/*0.125ms*/#defineBT_ADLY_0_25(BTIP1)/*0.25ms*/#de
17、fineBT_ADLY_0_5(BTIP1+BTIP0)/*0.5ms*/#defineBT_ADLY_1(BTIP2)/*1ms*/#defineBT_ADLY_2(BTIP2+BTIP0)/*2ms*/#defineBT_ADLY_4(BTIP2+BTIP1)/*4ms*/#defineBT_ADLY_8(BTIP2+BTIP1+BTIP0)/*8ms*/#defineBT_ADLY_16(BTDIV)/*16ms*/#defineBT_ADLY_32(BTDIV+BTIP0)/*32ms*/#defineBT_ADLY_64(BTDIV+BTIP1)/*64ms*/#defineBT_A
18、DLY_125(BTDIV+BTIP1+BTIP0)/*125ms*/#defineBT_ADLY_250(BTDIV+BTIP2)/*250ms*/#defineBT_ADLY_500(BTDIV+BTIP2+BTIP0)/*500ms*/#defineBT_ADLY_1000(BTDIV+BTIP2+BTIP1)/*1000ms*/#defineBT_ADLY_2000(BTDIV+BTIP2+BTIP1+BTIP0)/*2000ms*/*fCLK2=fMCLK(1MHz)isthoughtforshortintervaltimes*/*thetimingforshortintervals
19、ismoreprecisethanACLK*/*BesurethattheSCFQCTL-Registerissetto01FhsothatfMCLK=1MHz*/*Toolowintervaltimeresultsininterruptstoofrequentfortheprocessortohandle!*/#defineBT_MDLY_0_002(BTSSEL)/*0.002msinterval*intervaltimes*/#defineBT_MDLY_0_004(BTSSEL+BTIP0)/*0.004ms*tooshortfor*/#defineBT_MDLY_0_008(BTSS
20、EL+BTIP1)/*0.008ms*interrupt*/#defineBT_MDLY_0_016(BTSSEL+BTIP1+BTIP0)/*0.016ms*handling*/#defineBT_MDLY_0_032(BTSSEL+BTIP2)/*0.032ms*/#defineBT_MDLY_0_064(BTSSEL+BTIP2+BTIP0)/*0.064ms*/#defineBT_MDLY_0_125(BTSSEL+BTIP2+BTIP1)/*0.125ms*/#defineBT_MDLY_0_25(BTSSEL+BTIP2+BTIP1+BTIP0)/*0.25ms*/*Reset/H
21、oldcodedwithBits6-7inBT(1)CTL*/*thisisforBT*/#defineBTRESET_CNT1(BTRESET)/*BTCNT1isresetwhileBTRESETisset*/#defineBTRESET_CNT1_2(BTRESET+BTDIV)/*BTCNT1.AND.BTCNT2areresetwhileisset*/*thisisforBT1*/#defineBTHOLD_CNT1(BTHOLD)/*BTCNT1isheldwhileBTHOLDisset*/#defineBTHOLD_CNT1_2(BTHOLD+BTDIV)/*BT1CNT1.A
22、ND.BT1CNT2areheldwhileisset*/*INTERRUPTCONTROLBITS*/*#defineBTIE0x80*/*#defineBTIFG0x80*/*定时器A3*/#defineTAIV_(0x012E)/*TimerAInterruptVectorWord*/READ_ONLYDEFW(TAIV,TAIV_)#defineTACTL_(0x0160)/*TimerAControl*/DEFW(TACTL,TACTL_)#defineTACCTL0_(0x0162)/*TimerACapture/CompareControl0*/DEFW(TACCTL0,TACC
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