High-end MCU designed especially for electronic power steering systems, supporting the new CAN-FD communication standard


The RH850/P1M-E microcontroller is the successor of the successful RH850/P1M series, supporting now also the CAN-FD.Like its predecessor, the RH850/P1M-E has been designed for systems with ASIL-D safety level, featuring many safety functions such as lockstep CPU, ECC, and BISTs (Built-in Self Tests).  Along with a variety of interfaces (e.g. SENT a digital i/f for sensors) it also has a dedicated security module(ICU-S), implemented in hardware, to protect sensitive data like secret keys. With its low power consumption, the MCU is  well suited for today’s requirements regarding energy efficient ECUs in automotive area.


Main Solutions

Key Features:

Pin-Count 100-pin 144-pin
CPU CPU System RH850G3M (With Lockstep)
CPU Frequency 160 MHz (Main oscillator 16 MHz)
Memory Protection
Unit (MPU)
16 areas
Floating Point Unit
Single precision and double precision
Memory Program Flash 1 MB to 2 MB
Data Flash 32 KB (Flash 1 MB products) / 64 KB (Flash 2 MB products)
RAM Local RAM 128 KB
Global RAM 64 KB
Trace RAM 32 KB
Emulation RAM 8 KB (Flash 1 MB products) / 32 KB (Flash 2 MB products)
Instruction Cache 16 KB 4 way
INTC INTC1 (CPU core) 32 channels (Redundant)
INTC2 352 channels
DMA DMA Controller
16 channels (Redundant)
DTS 128 channels (Redundant)
Safety Error Control Module (ECM) Supported
Core Voltage Monitor (CVM) Supported
Built-in Self Test (BIST) with status flag Supported
ERROROUT Supported
Clock Monitor Supported
12-bit Resolution 2 units (19 channels) 2 units (24 channels)
Temperature Sensor Supported
Analog Input ADCG0 9 channels 12 channels
ADCG1 10 channels 12 channels
Track and Hold ADCG0 6
Timers 16-bit Timer Array Unit
3 units
32-bit Timer Array Unit
3 units
Motor Control Timer
2 units
Timer Option Unit (TAPA) 4 units (Hi-Z Control)
Encoder Timer (ENCA) 2 units
Timer for Operating
System (OSTM)
7 units (Including 2 units for output)
Watchdog Timer (WDTA) 1 unit
Timer Pattern Buffer
2 units
Peripheral Interconnect(PIC) Supported
Clock out Supported
Serial Interface CANFD (RS-CANFD) 3 channels
FlexRay 2 channels
Peripheral Sensor Interface 5(PSI5) 2 channels
Single Edge Nibble Transmission (RSENT) 5 channels 6 channels
Sync/Async USART (SCI3) 3 channels
LIN Master & UART (RLIN3) 2 channels
Clocked Serial Interface (CSIG) 1 channel
Queued Clocked Serial Interface (CSIH) 4 channels
Data CRC 4 channels
Security Supported (ICU-S)
Debug Nexus-JTAG Supported
LDU Supported
Trace RAM Supported
Measurement (Memory Read) Supported
Operating Temperature (Junction) Tj = -40 to 150 ℃
Operating Voltage Operating Voltage 3.0V to 5.5V (Built in voltage regulator for core)
3.0 to 5.5 V (For I/O) / 1.25 V (For core)

Pin Count / Memory Size Lineup:

Program Flash




Block Diagram:

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

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.
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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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