R8CL3AB datasheet(4/89 Pages) RENESAS

4 / 89 page

1. Overview

REJ03B0243-0030 Rev.0.30

Jan 21, 2009

Page 2 of 76

R8C/L35A Group, R8C/L36A Group, R8C/L38A Group, R8C/L3AA Group,

R8C/L35B Group, R8C/L36B Group, R8C/L38B Group, R8C/L3AB Group

Under development Preliminary specification

Specifications in this manual are tentative and subject to change.

1.1.2

Differences between Groups

Tables 1.1 and 1.2 list the differences between the groups, Table 1.3 lists the I/O ports provided for each group,

and Table 1.4 lists the LCD Display Function Pins Provided for Each Group. Figures 1.13 to 1.17 show the pin

assignment for each group, and Tables 1.8 to 1.15 list product information.

The explanations in the chapters which follow apply to the R8C/L3AA 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 1.16 to 1.18, Pin Name Information by Pin Number, for details.

Table 1.1

Differences between Groups (1)

Item

Function

R8C/L35A Group, R8C/L36A Group

R8C/L38A Group, R8C/L3AA Group

R8C/L35B Group, R8C/L36B Group

R8C/L38B Group, R8C/L3AB Group

Data

flash

1 KB × 4 blocks with BGO

(background operation) function

Provided

Not provided

Table 1.2

Differences between Groups (2)

Item

Function

R8C/L35A Group

R8C/L35B Group

R8C/L36A Group

R8C/L36B Group

R8C/L38A Group

R8C/L38B Group

R8C/L3AA Group

R8C/L3AB Group

I/O Ports

Programmable I/O ports

41 pins

52 pins

68 pins

88 pins

High current drive ports

5 pins

8 pins

16 pins

Interrupts

INT interrupt pins

5 pins

8 pins

Key input interrupt pins

4 pins

8 pins

Timers

Timer RA pins

(I/O: 1, output: 1)

1 pin

(I/O pin only)

2 pins

Timer RB pin (output: 1)

None

1 pin

Timer RD pin (I/O: 8)

None

8 pins

Timer RE pin (output: 1)

None

1 pin

Timer RG pin

(I/O: 2, output: 2)

None

4 pins

A/D Converter

Analog input pin

10 pins

16 pins

20 pins

LCD Drive

Control Circuit

LCD power supply

3 pins

(VL1, VL2, VL4)

4 pins

(VL1 to VL4)

4 pins

(VL1 to VL4)

4 pins

(VL1 to VL4)

Common output pins

Max. 4 pins

Max. 8 pins

Segment output pins

Max. 24 pins

Max. 32 pins

Max. 48 pins

Max. 56 pins

Other Pin

Function

WKUP1

Not supported

Supported

Packages

52-pin LQFP

64-pin LQFP

80-pin LQFP

100-pin LQFP/

100-pin QFP

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