SNAD01C datasheet(17/27 Pages) SONIX

17 / 27 page

SNAD01C

8-CHANNEL 8-BIT ADC

@Read_DIO macro

;;READ DIO

A.0 (1-BIT)

mov

tmp

#0001b

and

tmp

endm

;;********************************

@P20_Out_Mode macro

;;SWITCH ALL 4-BIT OF P2 TO OUTPUT MODE

mov

#0000b

mov

p2s

endm

;;********************************

@P20_In_Mode macro

;;SWITCH P2.0 (DIO) TO INPUT MODE

mov

#0001b

mov

p2s

mov

#1110b

and

p2state

mov

p2state a

mov

endm

;;**************************************************************************

;; Set Analog/Digital Mode to each channel (1:Analog, 0:Digital) *

;; y7

Ch7. y6

Ch6. y5

Ch5, …

;;**************************************************************************

@Set_Attrib macro y7,y6,y5,y4,y3,y2,y1,y0

@P20_Out_mode

;; SWITCH P2 TO OUTPUT MODE

@ON_START

;; SET START=0

@Send_0

;; SEND COMMAND (001)

@Clock

@Send_0

@Clock

@Send_1

@Clock

@Send y7

;; SEND y7 TO y0

@Clock

@Send y6

@Clock

@Send y5

@Clock

@Send y4

@Clock

@Send y3

@Clock

@Send y2

@Clock

@Send y1

@Clock

@Send y0

@Clock

@OFF_START ;; SET START=1

@P20_In_mode ;; SWITCH P2.0 TO INPUT MODE

endm

Version: 1.5

July 31, 2003

SNAD01C Datasheet(PDF) 17 Page - SONiX Technology Company

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