H8SLASH3003 datasheet(503/715 Pages) RENESAS

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14.1.3 Input Pins

Table 14-1 summarizes the A/D converter’s input pins. The eight analog input pins are divided

into two groups: group 0 (AN0 to AN3), and group 1 (AN4 to AN7). AVCC and AVSS are the

power supply for the analog circuits in the A/D converter. VREF is the A/D conversion reference

voltage.

Table 14-1 A/D Converter Pins

Abbrevi-

Pin Name

ation

I/O

Function

Analog power supply pin

AVCC

Input

Analog power supply

Analog ground pin

AVSS

Input

Analog ground and reference voltage

Reference voltage pin

VREF

Input

Analog reference voltage

Analog input pin 0

AN0

Input

Group 0 analog inputs

Analog input pin 1

AN1

Input

Analog input pin 2

AN2

Input

Analog input pin 3

AN3

Input

Analog input pin 4

AN4

Input

Group 1 analog inputs

Analog input pin 5

AN5

Input

Analog input pin 6

AN6

Input

Analog input pin 7

AN7

Input

A/D external trigger input pin

ADTRG

Input

External trigger input for starting A/D conversion

485

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