SNAD02C Просмотр технического описания (PDF) - Sonix Technology Co., Ltd

Номер в каталоге

Компоненты Описание

производитель

SNAD02C

8-CHANNEL 10-BIT ADC

Sonix Technology Co., Ltd 

SNAD02C

8-CHANNEL 10-BIT ADC

@Read_DIO macro

mov a p2

mov tmp #0001b

and a tmp

endm

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

@P20_Out_Mode macro

mov a #0000b

mov p2s a

endm

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

@P20_In_Mode macro

mov a #0001b

mov p2s a

mov a #1110b

and a p2state

mov p2state a

mov p2 a

endm

;;READ DIO Æ A.0 (1-BIT)

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

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

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

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

;; y7 Æ Ch7. y6 Æ Ch6. y5 Æ 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

@Clock

@Send_0

@Clock

@Send_1

@Clock

;; SEND COMMAND (001)

@Send y7

@Clock

@Send y6

@Clock

@Send y5

@Clock

@Send y4

@Clock

@Send y3

@Clock

@Send y2

@Clock

@Send y1

@Clock

@Send y0

@Clock

;; SEND y7 TO y0

@OFF_START ;; SET START=1

@P20_In_mode ;; SWITCH P2.0 TO INPUT MODE

endm

Version: 1.3

17

July 31, 2003

Share Link: