R8C2G datasheet(22/43 Pages) RENESAS

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R8C/2G Group

1. Overview

Rev.1.00

Apr 04, 2008

Page 2 of 318

REJ09B0387-0100

NOTE:

1. Specify the D version if D version functions are to be used.

Table 1.1

Specifications for R8C/2G Group

Item

Function

Specification

CPU

Central processing

unit

R8C/Tiny series core

• Number of fundamental instructions: 89

• Minimum instruction execution time:

125 ns (System clock = 8 MHz, VCC = 2.7 to 5.5 V)

250 ns (System clock = 4 MHz, VCC = 2.2 to 5.5 V)

• Multiplier: 16 bits × 16 bits

→ 32 bits

• Multiply-accumulate instruction: 16 bits × 16 bits + 32 bits

→ 32 bits

• Operation mode: Single-chip mode (address space: 1 Mbyte)

Memory

ROM, RAM

Refer to Table 1.2 Product List for R8C/2G Group.

Power Supply

Voltage

Detection

Voltage detection

circuit

• Power-on reset

• Voltage detection 3

Comparator

• 2 circuits (shared with voltage monitor 1 and voltage monitor 2)

• External reference voltage input is available

I/O Ports

• Output-only: 1

• CMOS I/O ports: 27, selectable pull-up resistor

Clock

Clock generation

circuits

• 2 circuits: On-chip oscillator (high-speed, low-speed)

(high-speed on-chip oscillator has a frequency adjustment function),

XCIN clock oscillation circuit (32 kHz)

• Frequency divider circuit: Dividing selectable 1, 2, 4, 8, and 16

• Low power consumption modes:

Standard operating mode (low-speed clock, high-speed on-chip oscillator,

low-speed on-chip oscillator), wait mode, stop mode

Real-time clock (timer RE)

Interrupts

• External: 5 sources, Internal: 17 sources, Software: 4 sources

• Priority levels: 7 levels

Watchdog Timer

15 bits × 1 (with prescaler), reset start selectable

Timer

Timer RA

8 bits × 1 (with 8-bit prescaler)

Timer mode (period timer), pulse output mode (output level inverted every

period), event counter mode, pulse width measurement mode, pulse period

measurement mode

Timer RB

8 bits × 1 (with 8-bit prescaler)

Timer mode (period timer), programmable waveform generation mode (PWM

output), programmable one-shot generation mode, programmable wait one-

shot generation mode

Timer RE

8 bits × 1

Real-time clock mode (count seconds, minutes, hours, days of week), output

compare mode

Timer RF

16 bits × 1 (with capture/compare register pin and compare register pin)

Input capture mode, output compare mode

Serial

Interface

UART0, UART2

Clock synchronous serial I/O/UART × 2

LIN Module

Hardware LIN: 1 (timer RA, UART0)

Flash Memory

• Programming and erasure voltage: VCC = 2.7 to 5.5 V

• Programming and erasure endurance: 100 times

• Program security: ROM code protect, ID code check

• Debug functions: On-chip debug, on-board flash rewrite function

Operating Frequency/Supply

Voltage

System clock = 8 MHz (VCC = 2.7 to 5.5 V)

System clock = 4 MHz (VCC = 2.2 to 5.5 V)

Current consumption

5 mA (VCC = 5 V, system clock = 8 MHz)

µA (VCC = 3 V, wait mode (low-speed on-chip oscillator on))

0.7

µA (VCC = 3 V, stop mode, BGR trimming circuit disabled)

Operating Ambient Temperature

-20 to 85

°C (N version)

-40 to 85

°C (D version)(1)

Package

32-pin LQFP

Package code: PLQP0032GB-A (previous code: 32P6U-A)

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