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SNAD02C

8-CHANNEL 10-BIT ADC

Sonix Technology Co., Ltd 

SNAD02C

8-CHANNEL 10-BIT ADC

9. EXAMPLE PROGRAMS

Host Controller: SNC500. Application circuit is identical to Figure11. P22: START. P21:

CLK. P20: DIO.

♦ Macro Programs: (def.h)

p2State equ m0

port_l

equ m1

port_h

equ m2

ad_out_l equ m3

ad_out_h equ m4

tmp

equ m5

tmp1

equ m6

ad_hh

equ m7

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

@ON_START macro

mov a #1011b

and a p2state

mov p2state a

mov p2 a

endm

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

@OFF_START macro

mov a #0100b

or a p2state

mov p2state a

mov p2 a

endm

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

@CLOCK macro

mov a #0010b

or a p2state

mov p2 a

mov a #1101b

and a p2state

mov p2state a

mov p2 a

endm

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

@Send_0 macro

mov a #1110b

and a p2state

mov p2state a

mov p2 a

endm

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

@Send_1 macro

mov a #0001b

or a p2state

mov p2state a

mov p2 a

endm

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

@Send macro data;

mov tmp data

mov a #1110b

and a p2state

or a tmp

mov p2state a

mov p2 a

endm

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

;;SET START=0

;;SET START=1

;;SET CLK LÆ H AND HÆ L

;;HOST SEND 0 Æ DIO

;;HOST SEND 1 Æ DIO

;HOST SEND 1-BIT CONSTANT (#1 OR #0) Æ DIO

Version: 1.3

16

July 31, 2003

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