Daewoo dsc-3220e-3220l 사용자 설명서

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4-9 CXA1315P

4-9-1 General description

The CXA1315M/P is developed as a 5-channel 8- bit D/A converter supporting with I 2 C bus.

4-9-2 Features

        -Serial control through I 

2

 C bus

        -5-channel 8-bit D/A converter
        -Built-in 4general-purpose I/O ports (Digital I/O)
        -I/O can be specified to respective ports independently
        -Selection of 8 slave addresses possible through address select pins (3 pins)

4-9-3 Block diagram

Level
Conversion

Level
Conversion

Power On
Reset

SAD2

SDA

I

2

C BUS

SCL

LATCH

DAC

REG

DAC4

GND

DAC3

DAC2

DAC1

DAC0

AMP

Vcc

Vcc

AMP

AMP

AMP

AMP

DAC

DAC

DAC

DAC

LATCH

LATCH

LATCH

LATCH

SAD1 SAD0

SW0 to 3

Open collector

Level
Conversion

LATCH

I

2

C Decoder