R8C datasheet(2/106 Pages) RENESAS

2 / 106 page

R01DS0011EJ0100 Rev.1.00

Page 2 of 102

Dec 21, 2010

R8C/LA3A Group, R8C/LA5A Group, R8C/LA6A Group, R8C/LA8A Group

1. Overview

1.1.2

Differences between Groups

Table 1.1 lists the Differences between Groups, Tables 1.2 and 1.3 list the Programmable I/O Ports Provided for

Each Group, and Tables 1.4 and 1.5 list the LCD Display Function Pins Provided for Each Group.

Figures 1.9 to 1.12 show the pin assignment for each group, and Tables 1.9 to 1.12 list product information.

The explanations in the chapters which follow apply to the R8C/LA8A Group only. Note the differences shown

below.

Note:

I/O ports are shared with I/O functions, such as interrupts or timers.

Refer to Tables 1.13 to 1.17, Pin Name Information by Pin Number, for details.

Table 1.1

Differences between Groups

Item

Function

R8C/LA3A Group

R8C/LA5A Group

R8C/LA6A Group

R8C/LA8A Group

I/O Ports

Programmable I/O ports

26 pins

44 pins

56 pins

72 pins

High current drive ports

8 pins

10 pins

Interrupts

INT interrupt pins

5 pins

6 pins

8 pins

Timer RJ

Timer RJ0 output pin

None

1 pin

Timer RJ1 output pin

None

1 pin

Timer RJ2 I/O pin

None

1 pin

Timer RJ2 output pin

None

1 pin

Timer RH

Timer RH output pin

None

1 pin

Serial interface

UART2

None

1 pin

A/D Converter

Analog input pins

5 pins

7 pins

8 pins

12 pins

LCD Drive

Control Circuit

Segment output pins

Max. 11 pins

Max. 27 pins

Max. 32 pins

Max. 40 pins

Comparator B

Analog input voltage

1 pin

2 pins

Reference input voltage

1 pin

2 pins

Clock

XCIN pin

Shared with

XIN pin

Dedicated pin

XCOUT pin

Shared with

XOUT pin

Dedicated pin

Packages

32-pin LQFP

52-pin LQFP

64-pin LQFP

80-pin LQFP

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