msp430寄存器.docx

1、msp430寄存器MSP430F149祥解对头文件做了比较详细的注释，记不清寄存器的人可以看看#ifndef _msp430x14x#define _msp430x14x/* STANDARD BITS*/#define BIT0 0x0001#define BIT1 0x0002#define BIT2 0x0004#define BIT3 0x0008#define BIT4 0x0010#define BIT5 0x0020#define BIT6 0x0040#define BIT7 0x0080#define BIT8 0x0100#define BIT9 0x0200#define

2、 BITA 0x0400#define BITB 0x0800#define BITC 0x1000#define BITD 0x2000#define BITE 0x4000#define BITF 0x8000/* STATUS REGISTER BITS*/#define C 0x0001#define Z 0x0002#define N 0x0004#define V 0x0100#define GIE 0x0008#define CPUOFF 0x0010#define OSCOFF 0x0020#define SCG0 0x0040#define SCG1 0x0080低功耗模式/

3、* Low Power Modes coded with Bits 4-7 in SR */#ifndef _IAR_SYSTEMS_ICC /* Begin #defines for assembler */#define LPM0 CPUOFF#define LPM1 SCG0+CPUOFF#define LPM2 SCG1+CPUOFF#define LPM3 SCG1+SCG0+CPUOFF#define LPM4 SCG1+SCG0+OSCOFF+CPUOFF/* End #defines for assembler */#else /* Begin #defines for C *

4、/#define LPM0_bits CPUOFF#define LPM1_bits SCG0+CPUOFF#define LPM2_bits SCG1+CPUOFF#define LPM3_bits SCG1+SCG0+CPUOFF#define LPM4_bits SCG1+SCG0+OSCOFF+CPUOFF进入低功耗和退出低功耗模#include #define LPM0 _BIS_SR(LPM0_bits) /* Enter Low Power Mode 0 */#define LPM0_EXIT _BIC_SR(LPM0_bits) /* Exit Low Power Mode 0

5、 */#define LPM1 _BIS_SR(LPM1_bits) /* Enter Low Power Mode 1 */#define LPM1_EXIT _BIC_SR(LPM1_bits) /* Exit Low Power Mode 1 */#define LPM2 _BIS_SR(LPM2_bits) /* Enter Low Power Mode 2 */#define LPM2_EXIT _BIC_SR(LPM2_bits) /* Exit Low Power Mode 2 */#define LPM3 _BIS_SR(LPM3_bits) /* Enter Low Powe

6、r Mode 3 */#define LPM3_EXIT _BIC_SR(LPM3_bits) /* Exit Low Power Mode 3 */#define LPM4 _BIS_SR(LPM4_bits) /* Enter Low Power Mode 4 */#define LPM4_EXIT _BIC_SR(LPM4_bits) /* Exit Low Power Mode 4 */#endif /* End #defines for C */* PERIPHERAL FILE MAP*/* 特殊功能寄存器地址和控制位*/*中断使能1*/#define IE1_ 0x0000 sf

7、rb IE1 = IE1_;#define WDTIE 0x01 /*看门狗中断使能*/ #define OFIE 0x02 /*外部晶振故障中断使能*/ #define NMIIE 0x10 /*非屏蔽中断使能*/#define ACCVIE 0x20 /*可屏蔽中断使能/flash写中断错误*/#define URXIE0 0x40 /*串口0接收中断使能*/#define UTXIE0 0x80 /*串口0发送中断使能*/*中断标志1*/#define IFG1_ 0x0002 sfrb IFG1 = IFG1_; #define WDTIFG 0x01 /*看门狗中断标志*/#defi

8、ne OFIFG 0x02 /*外部晶振故障中断标志*/#define NMIIFG 0x10 /*非屏蔽中断标志*/#define URXIFG0 0x40 /*串口0接收中断标志*/#define UTXIFG0 0x80 /*串口0发送中断标志*/* 中断模式使能1 */#define ME1_ 0x0004 sfrb ME1 = ME1_;#define URXE0 0x40 /* 串口0接收中断模式使能 */#define USPIE0 0x40 /* 同步中断模式使能 */#define UTXE0 0x80 /* 串口0发送中断模式使能 */* 中断使能2 */#define I

9、E2_ 0x0001 sfrb IE2 = IE2_;#define URXIE1 0x10 /* 串口1接收中断使能 */#define UTXIE1 0x20 /* 串口1发送中断使能 */* 中断标志2 */#define IFG2_ 0x0003 sfrb IFG2 = IFG2_;#define URXIFG1 0x10 /* 串口1接收中断标志 */#define UTXIFG1 0x20 /* 串口1发送中断标志 */* 中断模式使能2 */#define ME2_ 0x0005 sfrb ME2 = ME2_;#define URXE1 0x10 /* 串口1接收中断模式使能

10、*/#define USPIE1 0x10 /* 同步中断模式使能 */#define UTXE1 0x20 /* 串口1发送中断模式使能 */* 看门狗定时器的寄存器定义*/#define WDTCTL_ 0x0120 sfrw WDTCTL = WDTCTL_;#define WDTIS0 0x0001 /*选择WDTCNT的四个输出端之一*/#define WDTIS1 0x0002 /*选择WDTCNT的四个输出端之一*/#define WDTSSEL 0x0004 /*选择WDTCNT的时钟源*/#define WDTCNTCL 0x0008 /*清除WDTCNT端: 为1时 从0开

11、始计数*/ #define WDTTMSEL 0x0010 /*选择模式 0: 看门狗模式; 1: 定时器模式*/ #define WDTNMI 0x0020 /*选择NMI/RST 引脚功能 0:为 RST; 1:为NMI*/#define WDTNMIES 0x0040 /*WDTNMI=1时.选择触发延 0:为上升延 1:为下降延*/ #define WDTHOLD 0x0080 /*停止看门狗定时器工作 0:启动;1:停止*/#define WDTPW 0x5A00 /* 写密码:高八位*/* SMCLK= 1MHz定时器模式 */#define WDT_MDLY_32 WDTPW+W

12、DTTMSEL+WDTCNTCL /* TSMCLK*2POWER15=32ms 复位状态 */#define WDT_MDLY_8 WDTPW+WDTTMSEL+WDTCNTCL+WDTIS0 /* TSMCLK*2POWER13=8.192ms */#define WDT_MDLY_0_5 WDTPW+WDTTMSEL+WDTCNTCL+WDTIS1 /* TSMCLK*2POWER9=0.512ms */#define WDT_MDLY_0_064 WDTPW+WDTTMSEL+WDTCNTCL+WDTIS1+WDTIS0 /* TSMCLK*2POWER6=0.512ms */* AC

13、LK=32.768KHz 定时器模式*/#define WDT_ADLY_1000 WDTPW+WDTTMSEL+WDTCNTCL+WDTSSEL /* TACLK*2POWER15=1000ms */#define WDT_ADLY_250 WDTPW+WDTTMSEL+WDTCNTCL+WDTSSEL+WDTIS0 /* TACLK*2POWER13=250ms */#define WDT_ADLY_16 WDTPW+WDTTMSEL+WDTCNTCL+WDTSSEL+WDTIS1 /* TACLK*2POWER9=16ms */#define WDT_ADLY_1_9 WDTPW+WDT

14、TMSEL+WDTCNTCL+WDTSSEL+WDTIS1+WDTIS0 /* TACLK*2POWER6=1.9ms */* SMCLK=1MHz看门狗模式 */#define WDT_MRST_32 WDTPW+WDTCNTCL /* TSMCLK*2POWER15=32ms 复位状态 */#define WDT_MRST_8 WDTPW+WDTCNTCL+WDTIS0 /* TSMCLK*2POWER13=8.192ms */#define WDT_MRST_0_5 WDTPW+WDTCNTCL+WDTIS1 /* TSMCLK*2POWER9=0.512ms */#define WDT

15、_MRST_0_064 WDTPW+WDTCNTCL+WDTIS1+WDTIS0 /* TSMCLK*2POWER6=0.512ms */* ACLK=32KHz看门狗模式 */#define WDT_ARST_1000 WDTPW+WDTCNTCL+WDTSSEL /* TACLK*2POWER15=1000ms */#define WDT_ARST_250 WDTPW+WDTCNTCL+WDTSSEL+WDTIS0 /* TACLK*2POWER13=250ms */#define WDT_ARST_16 WDTPW+WDTCNTCL+WDTSSEL+WDTIS1 /* TACLK*2PO

16、WER9=16ms */#define WDT_ARST_1_9 WDTPW+WDTCNTCL+WDTSSEL+WDTIS1+WDTIS0 /* TACLK*2POWER6=1.9ms */* 硬件乘法器的寄存器定义*/#define MPY_ 0x0130 /* 无符号乘法 */sfrw MPY = MPY_;#define MPYS_ 0x0132 /* 有符号乘法*/sfrw MPYS = MPYS_;#define MAC_ 0x0134 /* 无符号乘加 */sfrw MAC = MAC_;#define MACS_ 0x0136 /* 有符号乘加 */sfrw MACS = MAC

17、S_;#define OP2_ 0x0138 /* 第二乘数 */sfrw OP2 = OP2_;#define RESLO_ 0x013A /* 低6位结果寄存器 */sfrw RESLO = RESLO_;#define RESHI_ 0x013C /* 高6位结果寄存器 */sfrw RESHI = RESHI_;#define SUMEXT_ 0x013E /*结果扩展寄存器 */const sfrw SUMEXT = SUMEXT_;/* DIGITAL I/O Port1/2 寄存器定义 有中断功能*/#define P1IN_ 0x0020 /* P1 输入寄存器 */const

18、 sfrb P1IN = P1IN_;#define P1OUT_ 0x0021 /* P1 输出寄存器 */sfrb P1OUT = P1OUT_;#define P1DIR_ 0x0022 /* P1 方向选择寄存器 */sfrb P1DIR = P1DIR_;#define P1IFG_ 0x0023 /* P1 中断标志寄存器*/sfrb P1IFG = P1IFG_;#define P1IES_ 0x0024 /* P1 中断边沿选择寄存器*/sfrb P1IES = P1IES_;#define P1IE_ 0x0025 /* P1 中断使能寄存器 */sfrb P1IE = P1

19、IE_;#define P1SEL_ 0x0026 /* P1 功能选择寄存器*/sfrb P1SEL = P1SEL_;#define P2IN_ 0x0028 /* P2 输入寄存器 */const sfrb P2IN = P2IN_;#define P2OUT_ 0x0029 /* P2 输出寄存器 */sfrb P2OUT = P2OUT_;#define P2DIR_ 0x002A /* P2 方向选择寄存器 */sfrb P2DIR = P2DIR_;#define P2IFG_ 0x002B /* P2 中断标志寄存器 */sfrb P2IFG = P2IFG_;#define

20、P2IES_ 0x002C /* P2 中断边沿选择寄存器 */sfrb P2IES = P2IES_;#define P2IE_ 0x002D /* P2 中断使能寄存器 */sfrb P2IE = P2IE_;#define P2SEL_ 0x002E /* P2 功能选择寄存器 */sfrb P2SEL = P2SEL_;/* DIGITAL I/O Port3/4寄存器定义 无中断功能*/#define P3IN_ 0x0018 /* P3 输入寄存器 */const sfrb P3IN = P3IN_;#define P3OUT_ 0x0019 /* P3 输出寄存器 */sfrb P3OUT = P3OUT_;#define P3DIR_ 0x001A /* P3 方向选择寄存器 */sfrb P3DIR = P3DIR_;#define P3SEL_ 0x001B /* P3 功能选择寄存器*/sfrb P3SEL = P3SEL_;#define P4IN_ 0x001C /* P4