D78044H 查看數據表（PDF） - NEC => Renesas Technology

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D78044H

8-BIT SINGLE-CHIP MICROCOMPUTER / UPD78044H

NEC => Renesas Technology 

µPD78044H, 78045H, 78046H

5.6 A/D CONVERTER

An 8-bit resolution 8-channel A/D converter is provided.

This A/D converter can be started in the following two modes:

• Hardware start

• Software start

ANI0/P10

ANI1/P11

ANI2/P12

ANI3/P13

ANI4/P14

ANI5/P15

ANI6/P16

ANI7/P17

Fig. 5-8 A/D Converter Block Diagram

Series resistor string

Sample-and-hold circuit

Voltage comparator

Successive approximation

register (SAR)

AVDD

AVREF

AVSS

INTP3/P03

Falling edge

detector

circuit

Control

circuit

A/D conversion result

register (ADCR)

INTAD

INTP3

Internal bus

21

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