R5F21346MNFP datasheet(2/57 Pages) RENESAS

Part #	R5F21346MNFP

Description	Specifications in this document are tentative and subject to change

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Manufacturer	RENESAS [Renesas Technology Corp]

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R8C/34M Group

1. Overview

Under development Preliminary document

Specifications in this document are tentative and subject to change.

R01DS0022EJ0020 Rev.0.20

Page 2 of 54

Feb 15, 2011

1.1.2

Specifications

Tables 1.1 and 1.2 outline the Specifications for R8C/34M Group.

Table 1.1

Specifications for R8C/34M Group (1)

Item

Function

Specification

CPU

Central processing

unit

R8C CPU core

• Number of fundamental instructions: 89

• Minimum instruction execution time:

50 ns (f(XIN) = 20 MHz, VCC = 2.7 to 5.5 V)

200 ns (f(XIN) = 5 MHz, VCC = 1.8 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, Data

flash

Refer to Table 1.3 Product List for R8C/34M Group.

Power Supply

Voltage

Detection

Voltage detection

circuit

• Power-on reset

• Voltage detection 3 (detection level of voltage detection 0 and voltage

detection 1 selectable)

I/O Ports

Programmable I/O

ports

• Input-only: 1 pin

• CMOS I/O ports: 43, selectable pull-up resistor

• High current drive ports: 43

Clock

Clock generation

circuits

• 4 circuits: XIN clock oscillation circuit,

XCIN clock oscillation circuit (32 kHz),

High-speed on-chip oscillator (with frequency adjustment function),

Low-speed on-chip oscillator

• Oscillation stop detection: XIN clock oscillation stop detection function

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

• Low power consumption modes:

Standard operating mode (high-speed clock, low-speed clock, high-speed

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

Real-time clock (timer RE)

Interrupts

• Number of interrupt vectors: 69

• External Interrupt: 9 (INT × 5, Key input × 4)

• Priority levels: 7 levels

Watchdog Timer

• 14 bits × 1 (with prescaler)

• Reset start selectable

• Low-speed on-chip oscillator for watchdog timer selectable

DTC (Data Transfer Controller)

• 1 channel

• Activation sources: 33

• Transfer modes: 2 (normal mode, repeat mode)

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 RC

16 bits × 1 (with 4 capture/compare registers)

Timer mode (input capture function, output compare function), PWM mode

(output 3 pins), PWM2 mode (PWM output pin)

Timer RD

16 bits × 2 (with 4 capture/compare registers)

Timer mode (input capture function, output compare function), PWM mode

(output 6 pins), reset synchronous PWM mode (output three-phase

waveforms (6 pins), sawtooth wave modulation), complementary PWM mode

(output three-phase waveforms (6 pins), triangular wave modulation), PWM3

mode (PWM output 2 pins with fixed period)

Timer RE

8 bits × 1

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

compare mode

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