jingjingtingyu的博客

******************************************************************/ void main (void) { SCON = 0x50; /* SCON: 模式 1, 8-bit UART, 使能接收 */ TMOD |= 0x20; /* TMOD: timer 1, mode 2, 8-bit reload */ TH1 = 0xFD; /* TH1: reload value for 9600 baud @ 11.0592MHz */ TR1 = 1; /* TR1: timer 1 run */ EA = 1; /*打开总中断*/ ES = 1; /*打开串口中断*/ while (1) /*主循环不做任何动作*/ { } }

sfr P0 = 0x80; /* PORT 0 LATCH */ sfr SP = 0x81; /* STACK POINTER */ sfr DPL = 0x82; /* DATA POINTER LOW */ sfr DPH = 0x83; /* DATA POINTER HIGH */ sfr PCON = 0x87; /* POWER CONTROL */ sfr TCON = 0x88; /* TIMER/COUNTER CONTROL */ sfr TMOD = 0x89; /* TIMER/COUNTER MODE */ sfr TL0 = 0x8A; /* TIMER/COUNTER 0 LOW */ sfr TL1 = 0x8B; /* TIMER/COUNTER 1 LOW */ sfr TH0 = 0x8C; /* TIMER/COUNTER 0 HIGH */ sfr TH1 = 0x8D; /* TIMER/COUNTER 1 HIGH */ sfr CKCON = 0x8E; /* CLOCK CONTROL */ sfr PSCTL = 0x8F; /* PROGRAM STORE R/W CONTROL */ sfr P1 = 0x90; /* PORT 1 LATCH */ sfr TMR3CN = 0x91; /* TIMER/COUNTER 3 CONTROL */ sfr TMR3RLL = 0x92; /* TIMER/COUNTER 3 RELOAD LOW */ sfr TMR3RLH = 0x93; /* TIMER/COUNTER 3 RELOAD HIGH */ sfr TMR3L = 0x94; /* TIMER/COUNTER 3 LOW */ sfr TMR3H = 0x95; /* TIMER/COUNTER 3 HIGH */ sfr IDA0L = 0x96; /* CURRENT MODE DAC0 LOW */ sfr IDA0H = 0x97; /* CURRENT MODE DAC0 HIGH */ sfr SCON0 = 0x98; /* UART0 CONTROL */ sfr SBUF0 = 0x99; /* UART0 DATA BUFFER */ sfr CPT0CN = 0x9B; /* COMPARATOR0 CONTROL */ sfr CPT0MD = 0x9D; /* COMPARATOR0 MODE SELECTION */ sfr CPT0MX = 0x9F; /* COMPARATOR0 MUX SELECTION */ sfr P2 = 0xA0; /* PORT 2 LATCH */ sfr SPI0CFG = 0xA1; /* SPI CONFIGURATION */ sfr SPI0CKR = 0xA2; /* SPI CLOCK RATE CONTROL */ sfr SPI0DAT = 0xA3; /* SPI DATA */ sfr P0MDOUT = 0xA4; /* PORT 0 OUTPUT MODE CONFIGURATION */ sfr P1MDOUT = 0xA5; /* PORT 1 OUTPUT MODE CONFIGURATION */ sfr P2MDOUT = 0xA6; /* PORT 2 OUTPUT MODE CONFIGURATION */ sfr IE = 0xA8; /* INTERRUPT ENABLE */ sfr CLKSEL = 0xA9; /* CLOCK SELECT */