PD70F3555 datasheet(10/88 Pages) RENESAS

10 / 88 page

R01DS0141ED0100

Data Sheet

Chapter 1

Overview

Chapter 1 Overview

1.1 Naming

1.1.1

Alternative function pins

Example:

– TAUB0I0, TAUB1I5

– URTE0TX, URTE0RX, URTE1TX, URTE1RX

– CSIG0SO, CSIG0SI, CSIG0SC, CSIG0RY

1.1.2

Power supply pins

Example:

– E0VDDn, REG0VSS

If not mentioned otherwise this document neglects suffixes for power supply

pins with same functions that can be treated as equal.

Peripheral

Prefix

Function

name

Suffix

Short-cut of

macro name

Consecutive number for

same peripheral modulea

This is an option that can be omitted if meaning is obvious

Peripheral

Macro pin

naming

Consecutive number

for same pin namesa

Function

Prefix

Kind of

supply

Suffix

Symbol

Consecutive number for

different functionsa

This is an option that can be omitted if meaning is obvious

VDD or VSS

Consecutive number

for different pins with

same meaninga

Table 1-1

Selection for Functions

Function

Explanation

Core supply

REG

Internal regulator supply

OSC

Oscillator supply

Flash module supply

Standard buffer supply (mainly 5V or up to 40Mhz)

Standard buffer supply (mainly 3.3V or beyond 40Mhz)

Analog module supply (e.g. ADC)

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