R8C datasheet(15/106 Pages) RENESAS

Il numero della parte	R8C

Spiegazioni elettronici	Household appliances, office equipment, audio equipment, consumer products

PDF	106 Pages

Scroll/Zoom	100%

Produttore elettronici	RENESAS [Renesas Technology Corp]

Homepage	http://www.renesas.com

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15 / 106 page

R01DS0011EJ0100 Rev.1.00

Page 15 of 102

Dec 21, 2010

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

1. Overview

Figure 1.8

Block Diagram of R8C/LA8A Group

Watchdog timer

(14 bits)

System clock generation

circuit

XIN-XOUT

High-speed on-chip oscillator

Low-speed on-chip oscillator

XCIN-XCOUT

RAM (2)

Multiplier

Timers

Timer RB (8 bits

× 2)

Timer RC (16 bits

× 1)

Timer RH

Timer RJ (16 bits

× 3)

R8C CPU core

Memory

R0H

R0L

R1H

R1L

USP

ISP

INTB

FLG

I/O ports

A/D converter

(10 bits

× 12 channels)

UART or

clock synchronous serial I/O

bits

× 1)

I2C bus or SSU

bits

× 1)

UART,

clock synchronous serial I/O,

or I2C bus (8 bits

× 1)

Port P0

Port P1

Port P3

Port P5

Port P4

Port P2

ROM (1)

Peripheral functions

LCD drive control circuit

Common output: Max. 4 pins

Segment output: Max. 40 pins

Temperature Sensor

Port P6

Comparator B 2ch

Notes:

1. ROM capacity varies with MCU type.

2. RAM capacity varies with MCU type.

Voltage detection circuit

Low-speed on-chip oscillator

for watchdog timer

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