Arduino Portenta C33 Manual de usuario
Arduino® Portenta C33
1 / 15 Arduino® Portenta C33 Modified: 14/03/2023
Product Reference Manual
SKU: ABX00074
Description
The Portenta C33 is a powerful System-on-Module designed for low-cost Internet of Things (IoT) applications. Based
on the R7FA6M5BH2CBG microcontroller from Renesas®, this board shares the same form factor as the Portenta
H7 and it is backward compatible with it, making it fully compatible with all Portenta family shields and carriers
through its high-density connectors. As a low-cost device, the Portenta C33 is an excellent choice for developers
looking to create IoT devices and applications on a budget. Whether you're building a smart home device or a
connected industrial sensor, the Portenta C33 provides the processing power and connectivity options you need to
get the job done.
Target Areas
IoT, building automation, smart cities, and agriculture
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CONTENTS
1 Application Examples
2 Features
2.1 General Specifications Overview
2.2 Microcontroller
2.3 Wireless Communication
2.4 Ethernet Connectivity
2.5 Security
2.6 External Memory
2.7 Included Accessories
2.8 Related Products
3 Ratings
3.1 Recommended Operating Conditions
4 Hardware
4.1 Block Diagram
4.2 Power Supply
5 Device Operation
5.1 Getting Started - IDE
5.2 Getting Started - Arduino Web Editor
5.3 Getting Started - Arduino IoT Cloud
5.4 Sample Sketches
5.5 Online Resources
6 Mechanical Information
6.1 Board Dimensions
6.2 Board Connectors
7 Certifications
7.1 Certifications Summary
7.2 Declaration of Conformity CE DoC (EU)
7.3 Declaration of Conformity to EU RoHS & REACH 211 01/19/2021
7.4 Conflict Minerals Declaration
8 FCC Caution
9 Company Information
10 Reference Documentation
11 Document Revision History
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1 Application Examples
Thanks to its high-performance processor, the Portenta C33 supports many applications. From industrial
applications to rapid prototyping, IoT solutions, and building automation, among many others. Here are some
application examples:
Industrial Automation: The Portenta C33 can be implemented as a solution for different industrial
applications, such as:
Industrial IoT gateway: Connect your devices, machines, and sensors to a Portenta C33 gateway. Collect
real-time operation data and display them on an Arduino IoT Cloud dashboard, leveraging end-to-end
secure data encryption.
Machine monitoring to track OEE/OPE: Track Overall Equipment Efficiency (OEE) and Overall Process
Effectiveness (OPE) with the Portenta C33 as an IoT node. Collect data and get alerted on machine uptime
and unplanned downtime to provide reactive maintenance and improve production rate.
Inline Quality Assurance: Leverage full compatibility between Portenta C33 and Nicla family to carry out
quality control in your production lines. Collect Nicla smart sensing data with the Portenta C33 to catch
defects early and resolve them before they travel down the line.
Prototyping: The Portenta C33 can assist Portenta and MKR developers with their IoT prototypes by
integrating ready-to-use Wi-Fi®/Bluetooth® connectivity and various peripheral interfaces, including CAN, SAI,
SPI, and I2C. Moreover, the Portenta C33 can be promptly programmed with high-level languages like
MicroPython, allowing for rapid prototyping of IoT applications.
Building Automation: The Portenta C33 can be used in multiple building automation applications:
Energy Consumption Monitoring: Collect and monitor consumption data from all services (e.g., gas,
water, electricity) in a single system. Display usage trends in Arduino IoT Cloud charts, providing an overall
image for energy management optimization and cost reduction.
Appliances Control System: Leverage high-performing Portenta C33 microcontroller to control in real-
time your appliances. Adjust HVAC heating or improve the efficiency of your ventilation system, control the
motors of your curtains, and switch on/off lights. The onboard Wi-Fi® connectivity easily allows Cloud
integration, so that everything is under control even from the remote.
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2 Features
2.1 General Specifications Overview
The Portenta C33 is a powerful microcontroller board designed for low-cost IoT applications. Based on the high-
performance R7FA6M5BH2CBG microcontroller from Renesas®, it offers a range of key features and a low-power
design that make it well-suited for a variety of applications. The board has been designed with the same form
factor as the Portenta H7 and is backward compatible, making it fully compatible with all Portenta family shields
and carriers through its MKR-styled and high-density connectors. Table 1 summarizes the board's main features,
and Table 2, 3, 4, 5, and 6 shows more detailed information about the board's microcontroller, secure element,
Ethernet transceiver, and external memory.
Feature Description
Microcontroller 200 MHz, Arm® Cortex®-M33 core microcontroller (R7FA6M5BH2CBG)
Internal
Memory 2MB Flash and 512 kB SRAM
External
Memory 16 MB QSPI Flash memory (MX25L12833F)
Connectivity 2.4 GHz Wi-Fi® (802.11 b/g/n) and Bluetooth® 5.0 (ESP32 -C3- MINI- 1U)
Ethernet Ethernet physical layer (PHY) transceiver (LAN8742AI)
Security IoT-ready secure element (SE050C2)
USB
Connectivity USB-C® port for power and data (accessible also through the board's High-Density connectors)
Power Supply Various options for easily powering the board: USB-C® port, single cell lithium-ion/lithium-
polymer battery and external power supply connected through MKR-styled connectors
Analog
Peripherals
Two, eight channel 12-bit analog-to-digital converter (ADC) and two 12-bit digital-to-analog
converter (DAC)
Digital
Peripherals
GPIO (x7), I2C (x1), UART (x4), SPI (x2), PWM (x10), CAN (x2), I2S (x1), SPDIF (x1), PDM (x1), and
SAI (x1)
Debugging JTAG/SWD debug port (accessible through the board's High-Density connectors)
Dimensions 66.04 mm x 25.40 mm
Surface-mount Castellated pins allow the board to be positioned as a surface-mountable module
Table 1: Portenta C33 Main Features
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2.2 Microcontroller
Component Details
R7FA6M5BH2CBG
32-bit Arm® Cortex®-M33 microcontroller, with a maximum operating frequency of 200 MHz
2 MB of flash memory and 512 KB of SRAM
Several peripheral interfaces, including UART, I2C, SPI, USB, CAN, and Ethernet
Hardware-based security features, such as a True Random Number Generator (TRNG), a
Memory Protection Unit (MPU), and a TrustZone-M security extension
Onboard power management features that allow it to operate on low power mode
Onboard RTC module that provides accurate timekeeping and calendar functions, along with
programmable alarms and tamper detection features
Designed to operate over a wide temperature range, from -40°C to 105°C, making it suitable
for use in harsh environments
Table 2: Portenta C33 Microcontroller Features
2.3 Wireless Communication
Component Details
ESP32 -C3- MINI- 1U 2.4 GHz Wi- Fi® (802.11 b/g/n) support
Bluetooth® 5.0 Low Energy support
Table 3: Portenta C33 Wireless Communication Features
2.4 Ethernet Connectivity
Component Details
LAN8742AI
Single-port 10/100 Ethernet transceiver designed for use in industrial and automotive applications
Designed to operate in harsh environments, with built-in features such as ESD protection, surge
protection, and low EMI emissions
Media Independent Interface (MII) and Reduced Media Independent Interface (RMII) interfaces
support, making it compatible with a wide range of Ethernet controllers
Built-in low-power mode that reduces power consumption when the link is idle, helping to
conserve power in battery-powered devices
Auto-negotiation support, which allows it to automatically detect and configure the link speed and
duplex mode, making it easy to use in a variety of applications
Built-in diagnostic features, such as loopback mode and cable length detection, which help to
simplify troubleshooting and debugging
Designed to operate over a wide temperature range, from -40°C to 105°C, making it suitable for
use in harsh industrial and automotive environments
Table 5: Portenta C33 Ethernet Connectivity Features
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2.5 Security
Component Details
NXP
SE050C2
Secure boot process that verifies the authenticity and integrity of the firmware before it is loaded
into the device
Built-in hardware cryptography engine that can perform various encryption and decryption
functions, including AES, RSA, and ECC
Secure storage for sensitive data, such as private keys, credentials, and certificates. This storage is
protected by strong encryption and can only be accessed by authorized parties
Secure communication protocols support, such as TLS, which helps to protect data in transit from
unauthorized access or interception
Tamper detection features that can detect if the device has been physically tampered with. This
helps to prevent attacks such as probing or power analysis attacks that attempt to access the
device's sensitive data
Common Criteria security standard certification, which is an internationally recognized standard
for evaluating the security of IT products
Table 4: Portenta C33 Security Features
2.6 External Memory
Component Details
MX25L12833F
NOR flash memory that can be used for storing program code, data, and configuration settings
SPI and QSPI interfaces support, which provide high-speed data transfer rates of up to 104 MHz
Onboard power management features, such as a deep power-down mode and standby mode,
that help to reduce power consumption in battery-powered devices
Hardware-based security features, such as a one-time programmable (OTP) area, a hardware
write-protect pin, and a secure silicon ID
Auto-negotiation support, which allows it to automatically detect and configure the link speed
and duplex mode, making it easy to use in a variety of applications
Reliability-enhancing features, such as ECC (Error Correction Code) and a high endurance of up
to 100,000 program/erase cycles
Designed to operate over a wide temperature range, from -40°C to 105°C, making it suitable for
use in harsh industrial and automotive environments
Table 6: Portenta C33 External Memory Features
Arduino® Portenta C33
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2.7 Included Accessories
Wi-Fi® W.FL antenna (not compatible with Portenta H7 U.FL antenna)
2.8 Related Products
ESLOV connector
Arduino® Portenta H7 (SKU: ABX00042)
Arduino® Portenta H7 Lite (SKU: ABX00045)
Arduino® Portenta H7 Lite Connected (SKU: ABX00046)
Arduino® Nicla Sense ME (SKU: ABX00050)
3 Ratings
3.1 Recommended Operating Conditions
Table 7 provides a comprehensive guideline for the optimal use of the Portenta C33, outlining typical operating
conditions and design limits. The operating conditions of the Portenta C33 are largely a function based on its
component's specifications.
Parameter Symbol Min Typ Max Unit
USB Supply Input Voltage VUSB - 5.0 - V
Battery Supply Input Voltage VUSB -0.3 3.7 4.8 V
Supply Input Voltage VIN 4.1 5.0 6.0 V
Operating Temperature TOP -40 - 85 °C
Table 7: Recommended Operating Conditions
4 Hardware
The core of the Portenta C33 is the R7FA6M5BH2CBG microcontroller from Renesas. The board also contains
several peripherals connected to its microcontroller.
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4.1 Block Diagram
An overview of the Portenta C33 high-level architecture is illustrated in Figure 1.
Figure 1. High-level architecture of the Portenta C33
4.2 Power Supply
The Portenta C33 can be powered through one of these interfaces:
USB-C® port
3.7V single cell lithium-ion/lithium-polymer battery, connected through the onboard battery connector
External 5V power supply connected through the MKR-styled pins
The recommended minimum battery capacity is 700 mAh. The battery is connected to the board via a
disconnectable crimp style connector as shown in Figure 4. The battery connector part number is BM03B-ACHSS-
GAN-TF(LF)(SN).
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5 Device Operation
5.1 Getting Started - IDE
If you want to program your Portenta C33 while offline you need to install the Arduino® Desktop IDE [1]. To
connect the Portenta C33 to your computer, you will need a USB-C® cable.
5.2 Getting Started - Arduino Web Editor
All Arduino® devices work out-of-the-box on the Arduino® Web Editor [2] by just installing a simple plugin.
The Arduino® Web Editor is hosted online, therefore it will always be up-to-date with the latest features and
support for all boards and devices. Follow [3] to start coding on the browser and upload your sketches onto your
device.
5.3 Getting Started - Arduino IoT Cloud
All Arduino® IoT enabled products are supported on Arduino® IoT Cloud which allows you to log, graph and
analyze sensor data, trigger events, and automate your home or business.
5.4 Sample Sketches
Sample sketches for Portenta C33 can be found either in the “Examples” menu in the Arduino® IDE or the
“Portenta C33 Documentation” section of Arduino® [4].
5.5 Online Resources
Now that you have gone through the basics of what you can do with the device, you can explore the endless
possibilities it provides by checking exciting projects on ProjectHub [5], the Arduino® Library Reference [6] and the
online store [7] where you will be able to complement your Portenta C33 product with additional extensions,
sensors and actuators.
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6 Mechanical Information
The Portenta C33 is a double-sided 66.04 mm x 25.40 mm board with a USB-C® port overhanging the top edge,
dual castellated/through-hole pins around the two long edges and two High-Density connectors on the bottom side
of the board. The onboard wireless antenna connector is located on the bottom edge of the board.
The Portenta C33 is designed to be usable as a surface-mount module as well as presenting a dual inline package
(DIP) format with the MKR-styled connectors on a 2.54 mm pitch grid with 1 mm holes. The Portenta C33 also has
four 1.12 mm drilled mounting holes to provide for mechanical fixing.
6.1 Board Dimensions
Portenta C33 board main dimensions can be seen in Figure 3.
Figure 3. Portenta C33 dimensions (top view in the left and bottom view in the right)
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