psd8xx.c

来自「电力变电站RTU监控软件（80C196NT单片机） 遥控」· C语言 代码 · 共 26 行

#include <CLASS.h>
xdata REG_8XX PSD8xx_reg;

void psd_init(void)
{
   PSD8xx_reg.VM = 0x12;	     // EEPROM(BOOT) = program, FLASH(MAIN) = data
   PSD8xx_reg.CONTROL_A=0x03;	  // 1=latched address out, 0=genernal I/O
   PSD8xx_reg.DIRECTION_A=0x03; // 1= ouput mode, 0 = input mode
   PSD8xx_reg.PMMR0=0x38;	     // power-on default = 0x00
				       // bit 5 - CLKIN input to MCell (1=off)
				       // bit 4 - CLKIN input to PLD array (1=off)
				       // bit 3 - PLD turbo mode (ZPSD only) (1=disable)
				       // bit 1 - APD unit (1=enable)
   PSD8xx_reg.PMMR2=0x70;	       // power-on default = 0x00
				       // bit 6 - DBE input to PLD array (1=off)
				       // bit 5 - ALE input to PLD array (1=off)
				       // bit 4 - CNTL2 input to PLD array (1=off)
				       // bit 3 - CNTL1 input to PLD array (1=off)
				       // bit 2 - CNTL0 input to PLD array (1=off)
}