beautypg.com

2 input pins – Renesas SH7641 User Manual

Page 849

background image

Section 21 A/D Converter

Rev. 4.00 Sep. 14, 2005 Page 799 of 982

REJ09B0023-0400

21.1.2 Input

Pins

Table 21.1 summarizes the A/D converter's input pins. The eight analog input pins are divided into
two groups: A/D0 (AN0 to AN3), and A/D1 (AN4 to AN7). AV

CC

and AV

SS

are the power supply

inputs for the analog circuits in the A/D converter. AV

CC

also functions as the A/D converter

reference voltage pin. AV

SS

also functions as the A/D converter reference ground pin.

Table 21.1 A/D Converter Pins

Pin Name

Abbreviation

I/O

Function

Analog power supply pin

AVcc

Input

Analog power supply and reference
voltage for A/D conversion

Analog ground pin

AVss

Input

Analog ground and reference ground
for A/D conversion

Analog input pin 0

AN0

Input

Analog input pin 1

AN1

Input

Analog input pin 2

AN2

Input

Analog input pin 3

AN3

Input

A/D0 analog inputs

Analog input pin 4

AN4

Input

Analog input pin 5

AN5

Input

Analog input pin 6

AN6

Input

Analog input pin 7

AN7

Input

A/D1 analog inputs

This manual is related to the following products: