MSP430寄存器中文注释

MSP430寄存器中文注释---P1/2口（带中断功能） /************************************************************ * 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 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 = P1IE_; #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 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_; MSP430寄存器中文注释---P3/4口 （无中断功能） /************************************************************ * 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 输入寄存器 */ const sfrb P4IN = P4IN_; #define P4OUT_ 0x001D /* P4 输出寄存器 */ sfrb P4OUT = P4OUT_; #define P4DIR_ 0x001E /* P4 方向选择寄存器 */ sfrb P4DIR = P4DIR_; #define P4SEL_ 0x001F /* P4 功能选择寄存器 */ sfrb P4SEL = P4SEL_; /************************************************************ * DIGITAL I/O Port5/6 I/O口寄存器定义PORT5和6 无中断功能 ************************************************************/ #define P5IN_ 0x0030 /* P5 输入寄存器 */ const sfrb P5IN = P5IN_; #define P5OUT_ 0x0031 /* P5 输出寄存器*/ sfrb P5OUT = P5OUT_; #define P5DIR_ 0x0032 /* P5 方向选择寄存器*/ sfrb P5DIR = P5DIR_; #define P5SEL_ 0x0033 /* P5 功能选择寄存器*/ sfrb P5SEL = P5SEL_; #define P6IN_ 0x0034 /* P6 输入寄存器 */ const sfrb P6IN = P6IN_; #define P6OUT_ 0x0035 /* P6 输出寄存器*/ sfrb P6OUT = P6OUT_; #define P6DIR_ 0x0036 /* P6 方向选择寄存器*/ sfrb P6DIR = P6DIR_; #define P6SEL_ 0x0037 /* P6 功能选择寄存器*/ sfrb P6SEL = P6SEL_; MSP430寄存器中文注释--- 硬件乘法器 /************************************************************ 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 = MACS_; #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_; MSP430寄存器中文注释---看门狗和定时器 /************************************************************ * 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+WDTTMSEL+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 " */ /* ACLK=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+WDTTMSEL+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_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*2POWER9=16ms " */ #define WDT_ARST_1_9 WDTPW+WDTCNTCL+WDTSSEL+WDTIS1+WDTIS0 /* TACLK*2POWER6=1.9ms " */ MSP430寄存器中文注释---A/D采样寄存器定义 /************************************************************ * ADC12 A/D采样寄存器定义 ************************************************************/ /*ADC12转换控制类寄存器*/ #define ADC12CTL0_ 0x0;' /* ADC12 Control 0 */ sfrw ADC12CTL0 = ADC12CTL0_; #define ADC12CTL1_ 0x01A2 /* ADC12 Control 1 */ sfrw ADC12CTL1 = ADC12CTL1_; /*ADC12中断控制类寄存器*/ #define ADC12IFG_ 0x01A4 /* ADC12 Interrupt Flag */ sfrw ADC12IFG = ADC12IFG_; #define ADC12IE_ 0x01A6 /* ADC12 Interrupt Enable */ sfrw ADC12IE = ADC12IE_; #define ADC12IV_ 0x01A8 /* ADC12 Interrupt Vector Word */ sfrw ADC12IV = ADC12IV_; /*ADC12存贮器类寄存器*/ #define ADC12MEM_ 0x0140 /* ADC12 Conversion Memory */ #ifndef __IAR_SYSTEMS_ICC #define ADC12MEM ADC12MEM_ /* ADC12 Conversion Memory (for assembler) */ #else #define ADC12MEM ((int*) ADC12MEM_) /* ADC12 Conversion Memory (for C) */ #endif #define ADC12MEM0_ ADC12MEM_ /* ADC12 Conversion Memory 0 */ sfrw ADC12MEM0 = ADC12MEM0_; #define ADC12MEM1_ 0x0142 /* ADC12 Conversion Memory 1 */ sfrw ADC12MEM1 = ADC12MEM1_; #define ADC12MEM2_ 0x0144 /* ADC12 Conversion Memory 2 */ sfrw ADC12MEM2 = ADC12MEM2_; #define ADC12MEM3_ 0x0146 /* ADC12 Conversion Memory 3 */ sfrw ADC12MEM3 = ADC12MEM3_; #define ADC12MEM4_ 0x0148 /* ADC12 Conversion Memory 4 */ sfrw ADC12MEM4 = ADC12MEM4_; #define ADC12MEM5_ 0x014A /* ADC12 Conversion Memory 5 */ sfrw ADC12MEM5 = ADC12MEM5_; #define ADC12MEM6_ 0x014C /* ADC12 Conversion Memory 6 */ sfrw ADC12MEM6 = ADC12MEM6_; #define ADC12MEM7_ 0x014E /* ADC12 Conversion Memory 7 */ sfrw ADC12MEM7 = ADC12MEM7_; #define ADC12MEM8_ 0x0150 /* ADC12 Conversion Memory 8 */ sfrw ADC12MEM8 = ADC12MEM8_; #define ADC12MEM9_ 0x0152 /* ADC12 Conversion Memory 9 */ sfrw ADC12MEM9 = ADC12MEM9_; #define ADC12MEM10_ 0x0154 /* ADC12 Conversion Memory 10 */ sfrw ADC12MEM10 = ADC12MEM10_; #define ADC12MEM11_ 0x0156 /* ADC12 Conversion Memory 11 */ sfrw ADC12MEM11 = ADC12MEM11_; #define ADC12MEM12_ 0x0158 /* ADC12 Conversion Memory 12 */ sfrw ADC12MEM12 = ADC12MEM12_; #define ADC12MEM13_ 0x015A /* ADC12 Conversion Memory 13 */ sfrw ADC12MEM13 = ADC12MEM13_; #define ADC12MEM14_ 0x015C /* ADC12 Conversion Memory 14 */ sfrw ADC12MEM14 = ADC12MEM14_; #define ADC12MEM15_ 0x015E /* ADC12 Conversion Memory 15 */ sfrw ADC12MEM15 = ADC12MEM15_; /*ADC12存贮控制类寄存器*/ #define ADC12MCTL_ 0x0080 /* ADC12 Memory Control */ #ifndef __IAR_SYSTEMS_ICC #define ADC12MCTL ADC12MCTL_ /* ADC12 Memory Control (for assembler) */ #else #define ADC12MCTL ((char*) ADC12MCTL_) /* ADC12 Memory Control (for C) */ #endif #define ADC12MCTL0_ ADC12MCTL_ /* ADC12 Memory Control 0 */ sfrb ADC12MCTL0 = ADC12MCTL0_; #define ADC12MCTL1_ 0x0081 /* ADC12 Memory Control 1 */ sfrb ADC12MCTL1 = ADC12MCTL1_; #define ADC12MCTL2_ 0x0082 /* ADC12 Memory Control 2 */ sfrb ADC12MCTL2 = ADC12MCTL2_; #define ADC12MCTL3_ 0x0083 /* ADC12 Memory Control 3 */ sfrb ADC12MCTL3 = ADC12MCTL3_; #define ADC12MCTL4_ 0x0084 /* ADC12 Memory Control 4 */ sfrb ADC12MCTL4 = ADC12MCTL4_; #define ADC12MCTL5_ 0x0085 /* ADC12 Memory Control 5 */ sfrb ADC12MCTL5 = ADC12MCTL5_; #define ADC12MCTL6_ 0x0086 /* ADC12 Memory Control 6 */ sfrb ADC12MCTL6 = ADC12MCTL6_; #define ADC12MCTL7_ 0x0087 /* ADC12 Memory Control 7 */ sfrb ADC12MCTL7 = ADC12MCTL7_; #define ADC12MCTL8_ 0x0088 /* ADC12 Memory Control 8 */ sfrb ADC12MCTL8 = ADC12MCTL8_; #define ADC12MCTL9_ 0x0089 /* ADC12 Memory Control 9 */ sfrb ADC12MCTL9 = ADC12MCTL9_; #define ADC12MCTL10_ 0x008A /* ADC12 Memory Control 10 */ sfrb ADC12MCTL10 = ADC12MCTL10_; #define ADC12MCTL11_ 0x008B /* ADC12 Memory Control 11 */ sfrb ADC12MCTL11 = ADC12MCTL11_; #define ADC12MCTL12_ 0x008C /* ADC12 Memory Control 12 */ sfrb ADC12MCTL12 = ADC12MCTL12_; #define ADC12MCTL13_ 0x008D /* ADC12 Memory Control 13 */ sfrb ADC12MCTL13 = ADC12MCTL13_; #define ADC12MCTL14_ 0x008E /* ADC12 Memory Control 14 */ sfrb ADC12MCTL14 = ADC12MCTL14_; #define ADC12MCTL15_ 0x008F /* ADC12 Memory Control 15 */ sfrb ADC12MCTL15 = ADC12MCTL15_; /* ADC12CTL0 内8位控制寄存器位*/ #define ADC12SC 0x001 /*采样/转换控制位*/ #define ENC 0x002 /* 转换允许位*/ #define ADC12TOVIE 0x004 /*转换时间溢出中断允许位*/ #define ADC12OVIE 0x008 /*溢出中断允许位*/ #define ADC12ON 0x010 /*ADC12内核控制位*/ #define REFON 0x020 /*参考电压控制位*/ #define REF2_5V 0x040 /*内部参考电压的电压值选择位 '0'为1.5V; '1'为2.5V*/ #define MSH 0x080 /*多次采样/转换位*/ #define MSC 0x080 /*多次采样/转换位*/ /*SHT0 采样保持定时器0 控制ADC12的结果存贮器MEM0~MEM7的采样周期*/ #define SHT0_0 0*0x100 /*采样周期=TADC12CLK*4 */ #define SHT0_1 1*0x100 /*采样周期=TADC12CLK*8 */ #define SHT0_2 2*0x100 /*采样周期=TADC12CLK*16 */ #define SHT0_3 3*0x100 /*采样周期=TADC12CLK*32 */ #define SHT0_4 4*0x100 /*采样周期=TADC12CLK*64 */ #define SHT0_5 5*0x100 /*采样周期=TADC12CLK*96 */ #define SHT0_6 6*0x100 /*采样周期=TADC12CLK*128 */ #define SHT0_7 7*0x100 /*采样周期=TADC12CLK*192 */ #define SHT0_8 8*0x100 /*采样周期=TADC12CLK*256 */ #define SHT0_9 9*0x100 /*采样周期=TADC12CLK*384 */ #define SHT0_10 10*0x100 /*采样周期=TADC12CLK*512 */ #define SHT0_11 11*0x100 /*采样周期=TADC12CLK*768 */ #define SHT0_12 12*0x100 /*采样周期=TADC12CLK*1024 */ #define SHT0_13 13*0x100 /*采样周期=TADC12CLK*1024 */ #define SHT0_14 14*0x100 /*采样周期=TADC12CLK*1024 */ #define SHT0_15 15*0x100 /*采样周期=TADC12CLK*1024 */ /*SHT1 采样保持定时器1 控制ADC12的结果存贮器MEM8~MEM15的采样周期*/ #define SHT1_0 0*0x100 /*采样周期=TADC12CLK*4 */ #define SHT1_1 1*0x100 /*采样周期=TADC12CLK*8 */ #define SHT1_2 2*0x100 /*采样周期=TADC12CLK*16 */ #define SHT1_3 3*0x100 /*采样周期=TADC12CLK*32 */ #define SHT1_4 4*0x100 /*采样周期=TADC12CLK*64 */ #define SHT1_5 5*0x100 /*采样周期=TADC12CLK*96 */ #define SHT1_6 6*0x100 /*采样周期=TADC12CLK*128 */ #define SHT1_7 7*0x100 /*采样周期=TADC12CLK*192 */ #define SHT1_8 8*0x100 /*采样周期=TADC12CLK*256 */ #define SHT1_9 9*0x100 /*采样周期=TADC12CLK*384 */ #define SHT1_10 10*0x100 /*采样周期=TADC12CLK*512 */ #define SHT1_11 11*0x100 /*采样周期=TADC12CLK*768 */ #define SHT1_12 12*0x100 /*采样周期=TADC12CLK*1024 */ #define SHT1_13 13*0x100 /*采样周期=TADC12CLK*1024 */ #define SHT1_14 14*0x100 /*采样周期=TADC12CLK*1024 */ #define SHT1_15 15*0x100 /*采样周期=TADC12CLK*1024 */ /* ADC12CTL1 内8位控制寄存器位*/ #define ADC12BUSY 0x0001 /*ADC12忙标志位*/ #define CONSEQ_0 0*2 /*单通道单次转换*/ #define CONSEQ_1 1*2 /*序列通道单次转换*/ #define CONSEQ_2 2*2 /*单通道多次转换*/ #define CONSEQ_3 3*2 /*序列通道多次转换*/ #define ADC12SSEL_0 0*8 /*ADC12内部时钟源*/ #define ADC12SSEL_1 1*8 /*ACLK*/ #define ADC12SSEL_2 2*8 /*MCLK*/ #define ADC12SSEL_3 3*8 /*SCLK*/ #define ADC12DIV_0 0*0x20 /*1分频*/ #define ADC12DIV_1 1*0x20 /*2分频*/ #define ADC12DIV_2 2*0x20 /*3分频*/ #define ADC12DIV_3 3*0x20 /*4分频*/ #define ADC12DIV_4 4*0x20 /*5分频*/ #define ADC12DIV_5 5*0x20 /*6分频*/ #define ADC12DIV_6 6*0x20 /*7分频*/ #define ADC12DIV_7 7*0x20 /*8分频*/ #define ISSH 0x0100 /*采样输入信号反向与否控制位*/ #define SHP 0x0200 /*采样信号(SAMPCON)选择控制位*/ #define SHS_0 0*0x400 /*采样信号输入源选择控制位 ADC12SC*/ #define SHS_1 1*0x400 /*采样信号输入源选择控制位 TIMER_A.OUT1*/ #define SHS_2 2*0x400 /*采样信号输入源选择控制位 TIMER_B.OUT0*/ #define SHS_3 3*0x400 /*采样信号输入源选择控制位 TIMER_B.OUT1*/ /*转换存贮器地址定义位*/ #define CSTARTADD_0 0*0x1000 /*选择MEM0首地址*/ #define CSTARTADD_1 1*0x1000 /*选择MEM1首地址*/ #define CSTARTADD_2 2*0x1000 /*选择MEM2首地址*/ #define CSTARTADD_3 3*0x1000 /*选择MEM3首地址*/ #define CSTARTADD_4 4*0x1000 /*选择MEM4首地址*/ #define CSTARTADD_5 5*0x1000 /*选择MEM5首地址*/ #define CSTARTADD_6 6*0x1000 /*选择MEM6首地址*/ #define CSTARTADD_7 7*0x1000 /*选择MEM7首地址*/ #define CSTARTADD_8 8*0x1000 /*选择MEM8首地址*/ #define CSTARTADD_9 9*0x1000 /*选择MEM9首地址*/ #define CSTARTADD_10 10*0x1000 /*选择MEM10首地址*/ #define CSTARTADD_11 11*0x1000 /*选择MEM11首地址*/ #define CSTARTADD_12 12*0x1000 /*选择MEM12首地址*/ #define CSTARTADD_13 13*0x1000 /*选择MEM13首地址*/ #define CSTARTADD_14 14*0x1000 /*选择MEM14首地址*/ #define CSTARTADD_15 15*0x1000 /*选择MEM15首地址*/ /* ADC12MCTLx */ #define INCH_0 0 /*选择模拟量通道0 A0 */ #define INCH_1 1 /*选择模拟量通道0 A1*/ #define INCH_2 2 /*选择模拟量通道0 A2*/ #define INCH_3 3 /*选择模拟量通道0 A3*/ #define INCH_4 4 /*选择模拟量通道0 A4*/ #define INCH_5 5 /*选择模拟量通道0 A5*/ #define INCH_6 6 /*选择模拟量通道0 A6*/ #define INCH_7 7 /*选择模拟量通道0 A7*/ #define INCH_8 8 /*VEREF+*/ #define INCH_9 9 /*VEREF-*/ #define INCH_10 10 /*片内温度传感器的输出*/ #define INCH_11 11 /*(AVCC-AVSS)/2*/ #define INCH_12 12 /*(AVCC-AVSS)/2*/ #define INCH_13 13 /*(AVCC-AVSS)/2*/ #define INCH_14 14 /*(AVCC-AVSS)/2*/ #define INCH_15 15 /*(AVCC-AVSS)/2*/ /*参考电压源选择位*/ #define SREF_0 0*0x10 /*VR+ = AVCC; VR- = AVSS*/ #define SREF_1 1*0x10 /*VR+ = VREF+; VR- = AVSS*/ #define SREF_2 2*0x10 /*VR+ = VEREF+; VR- = AVSS*/ #define SREF_3 3*0x10 /*VR+ = VEREF+; VR- = AVSS*/ #define SREF_4 4*0x10 /*VR+ = AVCC; VR- = VREF-*/ #define SREF_5 5*0x10 /*VR+ = VREF+; VR- = VREF-*/ #define SREF_6 6*0x10 /*VR+ = VEREF+; VR- = VREF-*/ #define SREF_7 7*0x10 /*VR+ = VEREF+; VR- = VREF-*/ #define EOS 0x80 /*序列结束选择位*/ MSP430寄存器中文注释----串口寄存器 /************************************************************ * USART 串口寄存器"UCTL","UTCTL","URCTL"定义的各个位可串口1 串口2公用 ************************************************************/ /* UCTL 串口控制寄存器*/ #define PENA 0x80 /*校验允许位*/ #define PEV 0x40 /*偶校验 为0时为奇校验*/ #define SPB 0x20 /*停止位为2 为0时停止位为1*/ #define CHAR 0x10 /*数据位为8位为0时数据位为7位*/ #define LISTEN 0x08 /*自环模式(发数据同时在把发的数据接收回来)*/ #define SYNC 0x04 /*同步模式 为0异步模式*/ #define MM 0x02 /*为1时地址位多机协议(异步) 主机模式(同步);为0时线路空闲多机协议(异步) 从机模式(同步)*/ #define SWRST 0x01 /*控制位*/ /* UTCTL 串口发送控制寄存器*/ #define CKPH 0x80 /*时钟相位控制位(只同步方式用)为1时时钟UCLK延时半个周期*/ #define CKPL 0x40 /*时钟极性控制位 为1时异步与UCLK相反;同步下降延有效*/ #define SSEL1 0x20 /*时钟源选择位:与SSEL0组合为0,1,2,3四种方式*/ #define SSEL0 0x10 /*"0"选择外部时钟,"1"选择辅助时钟,"2","3"选择系统子时钟 */ #define URXSE 0x08 /*接收触发延控制位(只在异步方式下用)*/ #define TXWAKE 0x04 /*多处理器通信传送控制位(只在异步方式下用)*/ #define STC 0x02 /*外部引脚STE选择位为0时为4线模式 为1时为3线模式*/ #define TXEPT 0x01 /*发送器空标志*/ /* URCTL 串口接收控制寄存器 同步模式下只用两位:FE和OE*/ #define FE 0x80 /*帧错标志*/ #define PE 0x40 /*校验错标志位*/ #define OE 0x20 /*溢出标志位*/ #define BRK 0x10 /*打断检测位*/ #define URXEIE 0x08 /*接收出错中断允许位*/ #define URXWIE 0x04 /*接收唤醒中断允许位*/ #define RXWAKE 0x02 /*接收唤醒检测位*/ #define RXERR 0x01 /*接收错误标志位*/ /************************************************************ * USART 0 串口0寄存器定义 ************************************************************/ #define U0CTL_ 0x0070 /* UART 0 Control */ sfrb U0CTL = U0CTL_; #define U0TCTL_ 0x0071 /* UART 0 Transmit Control */ sfrb U0TCTL = U0TCTL_; #define U0RCTL_ 0x0072 /* UART 0 Receive Control */ sfrb U0RCTL = U0RCTL_; #define U0MCTL_ 0x0073 /* UART 0 Modulation Control */ sfrb U0MCTL = U0MCTL_; #define U0BR0_ 0x0074 /* UART 0 Baud Rate 0 */ sfrb U0BR0 = U0BR0_; #define U0BR1_ 0x0075 /* UART 0 Baud Rate 1 */ sfrb U0BR1 = U0BR1_; #define U0RXBUF_ 0x0076 /* UART 0 Receive Buffer */ const sfrb U0RXBUF = U0RXBUF_; #define U0TXBUF_ 0x0077 /* UART 0 Transmit Buffer */ sfrb U0TXBUF = U0TXBUF_; /* Alternate register names */ #define UCTL0_ 0x0070 /* UART 0 Control */ sfrb UCTL0 = UCTL0_; #define UTCTL0_ 0x0071 /* UART 0 Transmit Control */ sfrb UTCTL0 = UTCTL0_; #define URCTL0_ 0x0072 /* UART 0 Receive Control */ sfrb URCTL0 = URCTL0_; #define UMCTL0_ 0x0073 /* UART 0 Modulation Control */ sfrb UMCTL0 = UMCTL0_; #define UBR00_ 0x0074 /* UART 0 Baud Rate 0 */ sfrb UBR00 = UBR00_; #define UBR10_ 0x0075 /* UART 0 Baud Rate 1 */ sfrb UBR10 = UBR10_; #define RXBUF0_ 0x0076 /* UART 0 Receive Buffer */ const sfrb RXBUF0 = RXBUF0_; #define TXBUF0_ 0x0077 /* UART 0 Transmit Buffer */ sfrb TXBUF0 = TXBUF0_; #define UCTL_0_ 0x0070 /* UART 0 Control */ sfrb UCTL_0 = UCTL_0_; #define UTCTL_0_ 0x0071 /* UART 0 Transmit Control */ sfrb UTCTL_0 = UTCTL_0_; #define URCTL_0_ 0x0072 /* UART 0 Receive Control */ sfrb URCTL_0 = URCTL_0_; #define UMCTL_0_ 0x0073 /* UART 0 Modulation Control */ sfrb UMCTL_0 = UMCTL_0_; #define UBR0_0_ 0x0074 /* UART 0 Baud Rate 0 */ sfrb UBR0_0 = UBR0_0_; #define UBR1_0_ 0x0075 /* UART 0 Baud Rate 1 */ sfrb UBR1_0 = UBR1_0_; #define RXBUF_0_ 0x0076 /* UART 0 Receive Buffer */ const sfrb RXBUF_0 = RXBUF_0_; #define TXBUF_0_ 0x0077 /* UART 0 Transmit Buffer */ sfrb TXBUF_0 = TXBUF_0_; /************************************************************ * USART 1 串口1寄存器定义 ************************************************************/ #define U1CTL_ 0x0078 /* UART 1 Control */ sfrb U1CTL = U1CTL_; #define U1TCTL_ 0x0079 /* UART 1 Transmit Control */ sfrb U1TCTL = U1TCTL_; #define U1RCTL_ 0x007A /* UART 1 Receive Control */ sfrb U1RCTL = U1RCTL_; #define U1MCTL_ 0x007B /* UART 1 Modulation Control */ sfrb U1MCTL = U1MCTL_; #define U1BR0_ 0x007C /* UART 1 Baud Rate 0 */ sfrb U1BR0 = U1BR0_; #define U1BR1_ 0x007D /* UART 1 Baud Rate 1 */ sfrb U1BR1 = U1BR1_; #define U1RXBUF_ 0x007E /* UART 1 Receive Buffer */ const sfrb U1RXBUF = U1RXBUF_; #define U1TXBUF_ 0x007F /* UART 1 Transmit Buffer */ sfrb U1TXBUF = U1TXBUF_; #define UCTL1_ 0x0078 /* UART 1 Control */ sfrb UCTL1 = UCTL1_; #define UTCTL1_ 0x0079 /* UART 1 Transmit Control */ sfrb UTCTL1 = UTCTL1_; #define URCTL1_ 0x007A /* UART 1 Receive Control */ sfrb URCTL1 = URCTL1_; #define UMCTL1_ 0x007B /* UART 1 Modulation Control */ sfrb UMCTL1 = UMCTL1_; #define UBR01_ 0x007C /* UART 1 Baud Rate 0 */ sfrb UBR01 = UBR01_; #define UBR11_ 0x007D /* UART 1 Baud Rate 1 */ sfrb UBR11 = UBR11_; #define RXBUF1_ 0x007E /* UART 1 Receive Buffer */ const sfrb RXBUF1 = RXBUF1_; #define TXBUF1_ 0x007F /* UART 1 Transmit Buffer */ sfrb TXBUF1 = TXBUF1_; #define UCTL_1_ 0x0078 /* UART 1 Control */ sfrb UCTL_1 = UCTL_1_; #define UTCTL_1_ 0x0079 /* UART 1 Transmit Control */ sfrb UTCTL_1 = UTCTL_1_; #define URCTL_1_ 0x007A /* UART 1 Receive Control */ sfrb URCTL_1 = URCTL_1_; #define UMCTL_1_ 0x007B /* UART 1 Modulation Control */ sfrb UMCTL_1 = UMCTL_1_; #define UBR0_1_ 0x007C /* UART 1 Baud Rate 0 */ sfrb UBR0_1 = UBR0_1_; #define UBR1_1_ 0x007D /* UART 1 Baud Rate 1 */ sfrb UBR1_1 = UBR1_1_; #define RXBUF_1_ 0x007E /* UART 1 Receive Buffer */ const sfrb RXBUF_1 = RXBUF_1_; #define TXBUF_1_ 0x007F /* UART 1 Transmit Buffer */ sfrb TXBUF_1 = TXBUF_1_;