setupad9851.asm

AD9851子程序 愿程序 驱动程序和实现步进控制的子程序 方便程序的扩张

;================================================
;在程序一开始就运行这段程序，用来初始化AD9851的输入方式
;运行一次即可
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NAME SETUP
?PR?SETUP_AD9851?SETUP SEGMENT CODE
;?DT?SETUP_AD9851?SETUP SEGMENT DATA OVERLAYABLE 
;?BI?SETUP_AD9851?SETUP SEGMENT BIT OVERLAYABLE

PUBLIC SETUP_AD9851



?SETUP_AD9851?BIT:
      W_CLK BIT P0.5
 	   FQ_UD BIT P0.6


RSEG ?PR?SETUP_AD9851?SETUP
SETUP_AD9851:
                CLR     W_CLK   ;初始化信号脚
                CLR     FQ_UD

                SETB    W_CLK   ;设置为串行输入
                CLR     W_CLK
                SETB    FQ_UD
                CLR     FQ_UD
                RET
		          END
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