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RH850/C1M

Ideal for the motor control for HEV/EV. The high-end in-vehicle microcomputer of resolver / one digital converter loading

 

The RH850/C1M with internal Resolver/Digital Converter (RDC2) and motor control unit (EMU2) reduce CPU load and can control motors with very little CPU interaction.

 

Main Solutions

Key Features:

ITEM RH850/C1M
Part Name R7F701271EAFP
CPU CPU system RH850G3M (With Lockstep)
CPU frequency 240 MHz

Internal peripheral guard function

(IPG)

Supported

System error notification function

(SEG)

Supported
Memory protection unit (MPU) Supported
Floating point unit (FPU) Supported
Memory Program Flash 2 MB
Instruction cache 8 KB
Local RAM 64 KB
Data Flash 32 KB
Global RAM 64 KB
External Interrupt Maskable interrupt (IRQ) 8
Non maskable interrupt (NMI) 1
DMA, DTS DMA 16 channels, DTS 128 channels
Clock Main oscillator (Main OSC) 20 MHz
PLL Supported
Security ICU-S was removed  
I/O ports 66
Timers Timer array unit J (TAUJ) 1 unit (4 timers / unit)
Motor control timers (TSG3) 2 units
Timer option (TAPA) 4 units
Timer pattern buffer (TPBA) 1 unit
Timers for operating system (OSTM) 2 units
Encoder timers (ENCA) 2 units
Watchdog timer (WDTA) 1 unit
Serial interfaces Clocked serial interface (CSIH) 2 channels
CAN interface (RS-CAN) 4 channels (total 256 message buffers)

Serial communication interface

(SCI3)

3 channels
A/D converter 12-bit A/D converter core 2 units

ADCC0 (Input pin count

and Track and Hold count)

10 input pins x 6 Track and Hold

ADCC1 (Input pin count

and Track and Hold count)

15 input pins x 6 Track and Hold
Motor control Resolver/Digital Converter (RDC2) 1 unit
Enhanced motor control unit (EMU2) 1 unit (2 channels)
Other functions Error control module (ECM), Clock monitor (CLMA), Data CRC (DCRA) 2 units, Error collection coding (ECC), On-chip debug (OCD), Peripheral interconnection 1 (PIC1A) 1unit and Peripheral interconnection 2 (PIC2B) 1 unit
Power supply voltage Internal 1.25 ± 0.1 V, 3.3 ± 0.3 V
For I/O 5.0 ± 0.5 V
For Resolver/Digital converter 5.0 ± 0.5 V
For A/D converter 5.0 ± 0.5 V
Operating temperature Junction temperature (Tj) -40 to 150 ℃
Package 144-pin QFP (20 x 20 mm)

 

Pin count – Memory size Lineup:

Program Flash
SRAM
2MB
128KB
Pins
Package
144
LFQFP

 

Block Diagram:

RH850/C1M Block Diagram

Below you will find information to support the development of your application.

For documentation for this product, such as technical updates, datasheets, and user's manuals, please contact your Renesas sales representative or office.


You can find an explanation of orderable part numbers here.

 

Resources for Software and Hardware

Title Description
My Renesas Create a My Renesas account to use our tool download services, receive e-newsletter/update notifications, and take advantage of our other services.
e-learning Information for studying and learning about microcontrollers and microprocessors.
FAQ Frequently asked questions and useful hints for development.
Forum A forum and community site to share technical information, questions and opinions with others who use Renesas products.
Video Watch videos related to this product.

 

Software Design Support

Title Description
CS+ An integrated development environment that can be used for coding, assembling/compiling, and simulation. (Also included with Renesas Starter Kits.)
e2 studio Renesas eclipse embedded studio, known as e² studio, is a complete development and debug environment based on the popular Eclipse CDT project.
E1 A standard Renesas on-chip debugging emulator that enables users to carry out ample debugging for real development at low cost. (Also included with starter kits.)

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