0/81/92/A3/B4/C5/D6/E7/FP7CHOFFHOF8HCCAPOHCCAPIHUn,n0000,00000000,00000000,0000OFOHBPWMCFGPWMCRPWMIFPWMFDCROF7HPCA_PWMOPCA_PWMI0000,00000000,00000000,00000000,00000000,00000000,00000000,0000CLOEFHOE8HP61CCAPOLCCAPILP251,Y0000,00000000,00000000,0000OEOHACCP7M0OE7HP7M1-CMPCRICMPCR20000.00000000,00000000,00000000.00000000,1001OD8HCCONCMODCCAPMOODFHCCAPMI0000,00000000,00000000,00000000,0000T4LT3HT3LT4HT2HT2LPSWOD7HODOHT4T3MRL_TH2RL _TL2RL_TH4RL_TL4RL_TH3RL_TL30000,01000000,00000000,00000000,00000000,00000000,00000000,00000000,0000POP5OC8HP5M1P5M01P6MIVP6MOSPSTATSPCTLSPDATOCFHxx11.1111xx00.0000xx00.00000000,00000000,000000xx,xxxx0000,11001.1OC7HOCOHP4VDTCONTRIAP DATAIAP CMDIAP TRIGIAP CONTRLAPADDRHIAPADDRLPOM1复习：1111,11110000.00000000,00000000,00000000,0000xxxx,xx000000,0000xxxX,xxxXOB8HIPOBFHSADENPSW2ADCCONTRADCRESADCRESLPOMO0000,00000000,00000000.00000000,00000000.00100000,0000SFROBOHP3P3M1P3MOP4M1P4M0-IP2IP2HIPHOB7H11,111000,00000000,00000011,01000000,00000000,00000000,00000000,0000列表WKTCLWKTCH..路0A8HIESADDRS3CONIE2OAFHS3BUFWKTCLCNTWKTCH CNT0000,00000100,00001111111101111111x000,0000xxxX,XXXXPnAUXRIP2OAOHBUS SPEEDOA7HP SWI1,11110000,00100000,0000Don't useDon't useDon'tuseDon't usePnM1S2BUF09FH098HSCONSBUFS2CONPIASF0100,00000000,00000000,0000Don'tuse0000,0000Don'tuseDon't useXXXX,XXXXPnMOCLKDIVPOMOLPIPIMI090HPIMOPOM1P2M1P2M0097HPCON21111,11111100,00000001,00011100,00000000,00001000,11100000,00000000,0000TLOINT CLKOTLITHOTHI08FH088HTCONTMODAUXRRLTLIRL THORLTHIRL TLOAUXR20000,00000000,00000000,00000000,00000000,00000000,0001000000000000,0000080HPOSSPDPLDPHS4CONS4BUFPCON087H0010,00110100,00001111,11110000,10100000,00000011,0000xxxx,xxxx0/81/92/A3/B4/C5/D6/E7/F4可位寻址不可位寻址注意：寄存器地址能够被8整除的才可以进行位操作，不能够被8整除的不可以进行位操作
单片机原理及应用 Principle and application of MCU P25 复习： SFR 列表 P0 P0M1 P0M0 . Pn PnM1 PnM0
单片机原理及应用Principleandapplication of MCUIO口:P0、P1、P2、P3、P4、P5POP1P2P0M1P1M1P2M1与10口P1M0POMOP2M0相关的特殊功能寄存P3P4P5器变量P3M1P4M1P5M1P3M0P4M0P5MO
单片机原理及应用 Principle and application of MCU P0 P0M1 P0M0 P3 P3M1 P3M0 P1 P1M1 P1M0 P4 P4M1 P4M0 P2 P2M1 P2M0 P5 P5M1 P5M0 IO口：P0、P1、P2、P3、P4、P5 与IO口 相关的 特殊功 能寄存 器变量
单片机原理及应用Principleandapplicationof MCU例1：P1.7如何实现D8发光二极管：亮与不亮U140P0.0/AD0/RXD3P4.5/ALE/CCP5239P0.1/AD1/TXD3P2.7/A15/CCP23338P0.2/AD2/RXD4P2.6/A14/CCP1 3437VCCP2.5/A13/CCP03P0.3/AD3/TXD4536P0.4/AD4/T4CLKOP2.4/A12/ECI3/SS2635P0.5/AD5/T4P2.3/A11/MOSI 231734P0.6/AD6/T3CLKOP2.2/A10/MISO 2833P0.7/AD7/T3P2.1/A9/SCLK 2LED329P1.0/ADC0/CCP1/RXD2P2.0/A8/RSTOUTLOW1031P1.1/ADC1/CCP0/TXD2P4.4/RD/CCP43011R1P1.2/ADC2/SS/ECI/CMPOP4.2/WR/CCP31229P1.3/ADC3/MOSIP4.1/MISO3J3.3K1328P1.4/ADC4/MISOP3.7/INT3/TXD2/CCP2/CCP221427P17P1.5/ADC5/SCLKP3.6/INT2/RXD 2/CCP122615P1.6/ADC6/RXD3/XTAL2/MCLKO2P3.5/T1/T0CLKO/CCP021625P1.7/ADC7/TXD3/XTAL1P3.4/T0/T1CLKO/ECI22417P5.4/RST/MCLKO/SS3/CMP-P3.3/INT12318+5VVCCP3.2/INTO1922P5.5/CMP+P3.1/TXD/T2022021GNDP3.0/RXD/INT4/T2CLKO0.luFSTC15W4K58S4
单片机原理及应用 Principle and application of MCU 例1：P1.7如何实现D8发光二极管：亮与不亮 P0.0/AD0/RXD3 1 P0.1/AD1/TXD3 2 P0.2/AD2/RXD4 3 P0.3/AD3/TXD4 4 P0.4/AD4/T4CLKO 5 P0.5/AD5/T4 6 P0.6/AD6/T3CLKO 7 P0.7/AD7/T3 8 P1.0/ADC0/CCP1/RXD2 9 P1.1/ADC1/CCP0/TXD2 10 P1.2/ADC2/SS/ECI/CMPO 11 P1.3/ADC3/MOSI 12 P1.4/ADC4/MISO 13 P1.5/ADC5/SCLK 14 P1.6/ADC6/RXD_3/XTAL2/MCLKO_2 15 P1.7/ADC7/TXD_3/XTAL1 16 P5.4/RST/MCLKO/SS_3/CMP- 17 VCC 18 P5.5/CMP+ 19 GND 20 P3.0/RXD/INT4/T2CLKO 21 P3.1/TXD/T2 22 P3.2/INT0 23 P3.3/INT1 24 P3.4/T0/T1CLKO/ECI_2 25 P3.5/T1/T0CLKO/CCP0_2 26 P3.6/INT2/RXD_2/CCP1_2 27 P3.7/INT3/TXD_2/CCP2/CCP2_2 28 P4.1/MISO_3 29 P4.2/WR/CCP3 30 P4.4/RD/CCP4 31 P2.0/A8/RSTOUT_LOW 32 P2.1/A9/SCLK_2 33 P2.2/A10/MISO_2 34 P2.3/A11/MOSI_2 35 P2.4/A12/ECI_3/SS_2 36 P2.5/A13/CCP0_3 37 P2.6/A14/CCP1_3 38 P2.7/A15/CCP2_3 39 P4.5/ALE/CCP5 40 U1 STC15W4K58S4 VCC D1 LED P17 R1 3.3K +5V 47uF C1 0.1uF C2
单片机原理及应用Principle and application of MCU#include<stc15.h>void Delay(void)kunsigned chari,j,k,for(i=20;i>0;i--)延时子程序for(j=20;j>0;j--)for(k=248;k>0;k--);void main(void)LP1M1=0X00:P1M0=0X00这是一个条件恒为真的无尽循环结构。while(1)主程序P17=0;DelayO;P17=1;Delay();
单片机原理及应用 Principle and application of MCU #include <stc15.h> void Delay(void) { unsigned char i,j,k; for(i=20;i>0;i-) for(j=20;j>0;j-) for(k=248;k>0;k-); } void main(void) { P1M1=0X00; P1M0=0X00; while(1) { P17=0; Delay(); P17=1; Delay(); } } 主程序 延时子程序 这是一个条件恒为真的无尽循环结构
单片机原理及应用Principle and application of MCU#include<stc15.h>void Delay(void)Lunsigned char i,j,k延时子程序for(i=20;i>0;i--)for(j=20;j>0;j--)for(k=248;k>0;k--);void main(void)1P1M1=0X00;P1M0=0X00;while(1)主程序(P17=P17;Delay();7
单片机原理及应用 Principle and application of MCU #include <stc15.h> void Delay(void) { unsigned char i,j,k; for(i=20;i>0;i-) for(j=20;j>0;j-) for(k=248;k>0;k-); } void main(void) { P1M1=0X00; P1M0=0X00; while(1) { P17=~P17； Delay(); } } 主程序 延时子程序