To our customers,
Old Company Name in Catalogs and Other Documents
On April 1
st
, 2010, NEC Electronics Corporation merged with Renesas Technology
Corporation, and Renesas
Electronics Corporation
took over all the business of both
companies.
Therefore, although the old company name remains in this document, it is a valid
Renesas
Electronics document. We appreciate your understanding.
Renesas Electronics website:
http://www.renesas.com
April 1
st
, 2010
Renesas Electronics Corporation
Issued by:
Renesas Electronics Corporation
(http://www.renesas.com)
Send any inquiries to
http://www.renesas.com/inquiry.
Notice
1.
All information included in this document is current as of the date this document is issued. Such information, however, is
subject to change without any prior notice. Before purchasing or using any Renesas Electronics products listed herein, please
confirm the latest product information with a Renesas Electronics sales office. Also, please pay regular and careful attention to
additional and different information to be disclosed by Renesas Electronics such as that disclosed through our website.
Renesas Electronics does not assume any liability for infringement of patents, copyrights, or other intellectual property rights
of third parties by or arising from the use of Renesas Electronics products or technical information described in this document.
No license, express, implied or otherwise, is granted hereby under any patents, copyrights or other intellectual property rights
of Renesas Electronics or others.
You should not alter, modify, copy, or otherwise misappropriate any Renesas Electronics product, whether in whole or in part.
Descriptions of circuits, software and other related information in this document are provided only to illustrate the operation of
semiconductor products and application examples. You are fully responsible for the incorporation of these circuits, software,
and information in the design of your equipment. Renesas Electronics assumes no responsibility for any losses incurred by
you or third parties arising from the use of these circuits, software, or information.
When exporting the products or technology described in this document, you should comply with the applicable export control
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Renesas Electronics has used reasonable care in preparing the information included in this document, but Renesas Electronics
does not warrant that such information is error free. Renesas Electronics assumes no liability whatsoever for any damages
incurred by you resulting from errors in or omissions from the information included herein.
Renesas Electronics products are classified according to the following three quality grades: “Standard”, “High Quality”, and
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Computers; office equipment; communications equipment; test and measurement equipment; audio and visual
equipment; home electronic appliances; machine tools; personal electronic equipment; and industrial robots.
“High Quality”: Transportation equipment (automobiles, trains, ships, etc.); traffic control systems; anti-disaster systems; anti-
crime systems; safety equipment; and medical equipment not specifically designed for life support.
“Specific”:
Aircraft; aerospace equipment; submersible repeaters; nuclear reactor control systems; medical equipment or
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Although Renesas Electronics endeavors to improve the quality and reliability of its products, semiconductor products have
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Please contact a Renesas Electronics sales office if you have any questions regarding the information contained in this
document or Renesas Electronics products, or if you have any other inquiries.
“Standard”:
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
(Note 1) “Renesas Electronics” as used in this document means Renesas Electronics Corporation and also includes its majority-
owned subsidiaries.
(Note 2) “Renesas Electronics product(s)” means any product developed or manufactured by or for Renesas Electronics.
Notice: This is not a final specification.
Some parametric limits are subject to change.
PRELIMINARY
R8C/34E Group, R8C/34F Group, R8C/34G Group, R8C/34H Group
RENESAS MCU
REJ03B0246-0010
Rev.0.10
Apr 17, 2008
1.
1.1
Overview
Features
The R8C/34E Group, R8C/34F Group, R8C/34G Group, and R8C/34H Group of single-chip MCUs incorporate the
R8C/Tiny Series CPU core, employing sophisticated instructions for a high level of efficiency. With 1 Mbyte of
address space, and it is capable of executing instructions at high speed. In addition, the CPU core boasts a
multiplier for high-speed operation processing.
Power consumption is low, and the supported operating modes allow additional power control. These MCUs are
designed to maximize EMI/EMS performance.
Integration of many peripheral functions, including multifunction timer and serial interface, reduces the number of
system components.
The R8C/34E Group and R8C/34F Group have a single channel CAN module and are suitable for LAN systems in
vehicles and for FA.
The R8C/34G Group and the R8C/34H Group do not have CAN modules.
The R8C/34E Group and the R8C/34G Group have data flash (1 KB × 4 blocks) with the background operation
(BGO) function.
1.1.1
Applications
Automobiles and others
REJ03B0246-0010 Rev.0.10
Page 1 of 44
Apr 17, 2008
Under development
Preliminary specification
Specifications in this manual are tentative and subject to change.
R8C/34E Group, R8C/34F Group, R8C/34G Group, R8C/34H Group
1. Overview
1.1.2
Specifications
Tables 1.1 and 1.2 outline the Specifications for R8C/34E Group, tables 1.3 and 1.4 outline the Specifications
for R8C/34F Group, tables 1.5 and 1.6 outline the Specifications for R8C/34G Group, tables 1.7 and 1.8 outline
the Specifications for R8C/34H Group.
Table 1.1
Item
CPU
Specifications for R8C/34E Group (1)
Function
Central processing
unit
Specification
R8C/Tiny series core
• Number of fundamental instructions: 89
• Minimum instruction execution time:
50 ns (f(XIN) = 20 MHz, VCC = 2.7 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)
Refer to
Table 1.9 Product List for R8C/34E Group.
• Power-on reset
• Voltage detection 3 (detection level of voltage detection 1 selectable)
• Input-only: 1 pin
• CMOS I/O ports: 43, selectable pull-up resistor
3 circuits: XIN clock oscillation circuit (with on-chip feedback resistor),
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, high-speed on-chip oscillator,
low-speed on-chip oscillator), wait mode, stop mode
• Interrupt Vectors: 69
• External: 9 sources (INT × 5 , key input × 4)
• Priority levels: 7 levels
• 15 bits × 1 (with prescaler)
• Reset start selectable
• Low-speed on-chip oscillator for watchdog timer selectable
• 1 channel
• Activation sources: 31
• Transfer modes: 2 (normal mode, repeat mode)
8 bits (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
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
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)
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)
8 bits × 1
Output compare mode
Memory
ROM, RAM, Data
flash
Power Supply Voltage detection
Voltage
circuit
Detection
I/O Ports
Programmable I/O
ports
Clock
Clock generation
circuits
Interrupts
Watchdog Timer
DTC (Data Transfer Controller)
Timer
Timer RA
Timer RB
Timer RC
Timer RD
Timer RE
REJ03B0246-0010 Rev.0.10
Page 2 of 44
Apr 17, 2008
Under development
Preliminary specification
Specifications in this manual are tentative and subject to change.
R8C/34E Group, R8C/34F Group, R8C/34G Group, R8C/34H Group
1. Overview
Table 1.2
Item
Serial
Interface
Specifications for R8C/34E Group (2)
Function
UART0, 1
UART2
Specification
Clock synchronous serial I/O/UART × 2 channel
Clock synchronous serial I/O, UART, I
2
C mode (I
2
C-bus), IE mode (IE BUS
(1)
),
multiprocessor communication function
1
Hardware LIN: 1 (timer RA, UART0)
One channel, 16 Mailboxes (conforms to the ISO 11898-1)
10-bit resolution × 12 channels, includes sample and hold function, with sweep
mode
• Programming and erasure voltage: VCC = 2.7 to 5.5 V
• Programming and erasure endurance: 10,000 times (data flash)
1,000 times (program ROM)
• Program security: ROM code protect, ID code check
• Debug functions: On-chip debug, on-board flash rewrite function
• Background operation (BGO) function (data flash)
f(XIN) = 20 MHz (VCC = 2.7 to 5.5 V)
TBD (VCC = 5.0 V, f(XIN) = 20 MHz)
TBD (VCC = 3.0 V, f(XIN) = 20 MHz)
-40 to 85°C (J version)
-40 to 125°C (K version)
(2)
48-pin LQFP
Package code: PLQP0048KB-A (previous code: 48P6Q-A)
Synchronous Serial
Communication Unit (SSU)
LIN Module
CAN module
A/D Converter
Flash Memory
Operating Frequency/Supply
Voltage
Current consumption
Operating Ambient Temperature
Package
Notes:
1. IE BUS is a trademark of NEC Electronics Corporation.
2. Specify the K version if K version functions are to be used.
REJ03B0246-0010 Rev.0.10
Page 3 of 44
Apr 17, 2008
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