SNAD02C 데이터 시트보기 (PDF) - Sonix Technology Co., Ltd

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SNAD02C

8-CHANNEL 10-BIT ADC

Sonix Technology Co., Ltd 

SNAD02C

8-CHANNEL 10-BIT ADC

6. Functional Descriptions

VDD

Host CPU

Output Port1

Output Port2

I/O port

START

CLK

DIO

SNAD02

VDD

START

AVDD

CLK

REF

DIO

VSS

AVSS

0.1uF

CH[0]

CH[1]

CH[7]

Analog/Digital

Signal

Figure-2 Interface with Host CPU

6.1. Interface Format

START

CLK

Channel Setting

HiZ

DIO

CM2 CM1 CM0 CH[7] CH[6] CH[5] CH[4] CH[3] CH[2] CH[1] CH[0] X

X

X

X

X

Port Input

Control Register Setting

HiZ

DIO

CM2 CM1 CM0

PH PL RF MB

X

X

X

X

X

X

X

X

X

Port Input

Digital Input Reading

HiZ

DIO

CM2

CM1 CM0

DI[7] DI[6] DI[5] DI[4] DI[3] DI[2] DI[1] DI[0] DI[7] DI[6] DI[5] DI[4] DI[3]

Port Input

Port Output

Power Down

HiZ

DIO

CM2 CM1 CM0

PDS PDS PDS PDS PDS PDS PDS PDS PDS PDS PDS PDS PDS

Port Input

Port Output

Figure-3 Timing Diagram of Whole Commands

Version: 1.3

5

July 31, 2003

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