51单片机特殊功能寄存器SFR地址影像表

D7D6D5D4D3D2D1B寄存器BF7HF6HF5HF4HF3HF2HF1HE7HE6HE5HE4HE3HE2HE1HACC.7ACC.6ACC.5ACC.4ACC.3ACC.2ACC.1D7HD6HD5HD4HD3HD2HD1HCYACF0RS1RS00VF1PSW.7PSW.6PSW.5PSW.4PSW.3PSW.2PSW.1BFHBEHBDHBCHBBHBAHB9HPSPT1PX1PT0B7HB6HB5HB4HB3HB2HB1HP3.7P3.6P3.5P3.4P3.3P3.2P3.1AFHAEHADHACHABHAAHA9HEAESET1EX1ET0A7HA6HA5HA4HA3HA2HA1HP2.7P2.6P2.5P2.4P2.3P2.2P2.19FH9EH9DH9CH9BH9AH99HSM0SM1SM2RENTB8RB8TI97H96H95H94H93H92H91HP1.7P1.6P1.5P1.4P1.3P1.2P1.18FH8EH8DH8CH8BH8AH89HTF1TR1TF0TR0IE1IT1IE0堆栈指针SP87H86H85H84H83H82H81HP0.7P0.6P0.5P0.4P0.3P0.2P0.1SFR名称符号位地址/位定义名/位编号ACC累加器APSW程序状态字寄存器中断优先级控制寄存器IPP3I/O端口3I/O端口2P2IE中断允许控制寄存器串行数据缓冲器SUBFSCON串行控制寄存器I/O端口1P1定时/计数器1（高8位）定时/计数器1（低8位）定时/计数器0（低8位）TH1TH0TL1TL0定时/计数器0（高8位）GATEC/TM1M0GATEC/TM1I/O端口0P0PCONTCON定时/计数器控制寄存器电源控制及波特率选择数据指针（高字节）DPH数据指针（低字节）DPLSMODTMOD定时/计数器方式选择GF1GF0PDD0F0HF0HE0HACC.0D0HPPSW.0B8HPX0B0HP3.0A8HEX0A0HP2.098HRI90HP1.088HIT081H80HP0.0位地址/位定义名/位编号字节地E0HD0HB8HB0HA0HA8H99H98H90H8DH8CH8DH8AH89HM088H87H83H82H80HIDL