SNAD01B datasheet(21/31 Pages) SONIX

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SNAD01B

8-CHANNEL 8-BIT ADC

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

;; Let SNAD01B Enter Power-Down mode 1

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

@Power_Down_1 macro

@P20_Out_mode

;; SWITCH P2 TO OUTPUT MODE

@ON_START

;; SET START=0

@Send_1

;; SEND COMMAND (111)

@Clock

@Send_1

@Clock

@Send_1

@Clock

@P20_In_mode ;; SWITCH P2.0 TO INPUT MODE

@Clock

;; SNAD01B ENTERS POWER-DOWN AT THE 8-th CLOCK EDGE.

endm

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

;; Read ADC from Channel n (n=n2,n1,n0)

;; e.g.: Ch 5 (n2, n1, n0= #1, #0, #1

;; 8-bit Data

(ad_out_h, ad_out_l)

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

@Read_ADC

macro n0, n1, n2

@P20_Out_mode

;; SWITCH P2 TO OUTPUT MODE

@ON_START

;; SET START=0

@Send_1

;; SEND COMMAND (100)

@Clock

@Send_0

@Clock

@Send_0

@Clock

@Send n2

;; SEND CHANNEL NUMBER

@Clock

@Send n1

@Clock

Version: 1.3

July 31, 2003

SNAD01B Datasheet(PDF) 21 Page - SONiX Technology Company

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