mcu

Posted on by Jean-Luc Aufranc (CNXSoft) - 7 Comments on Nuvoton MUG51 8-bit 8051 microcontroller is made for battery-free devices

Nuvoton MUG51 8-bit 8051 microcontroller is made for battery-free devices

NuMaker-MUG51TB MUG51 development board

8-bit microcontrollers are here to stay despite the rise of 32-bit microcontrollers. Renesas introduced the RL78/G15 entry-level 8-bit microcontroller in a tiny 3x3mm package at the beginning of the year, and now Nuvoton has just unveiled the MUG51 8-bit 8051 microcontroller with a long-term production commitment. The MUG51 is specially designed for battery-free devices such as passive stylus pens and RFID cards. The 8-bit microcontroller embeds 1 KB SRAM, 16KB flash plus 4KB flash for user program loader, various peripherals with up to 24x GPIOs with interrupt, I2C, SPI, UART, DMA, and so on, as well as various timers. Nuvoton MUG51 specifications: Core – 1T 8051-based core running up to 7.3728 MHz Memory/Storage 1 KB SRAM 16 KB Flash Up to 4 KB Flash for user program loader (LDROM) 128 bytes SPROM (Security Protection ROM) ISP/ICP/IAP programming Peripherals Up to 24x I/O with interrupt capability 2x UART (Tx/RX), 2x I2C, […]

Posted on by Jean-Luc Aufranc (CNXSoft) - No Comments on Micro RP2040 is a tiny Raspberry Pi RP2040 module with a USB Type-C port, 28 castellated & through holes

Micro RP2040 is a tiny Raspberry Pi RP2040 module with a USB Type-C port, 28 castellated & through holes

Micro RP2040 board

SB Components’ Micro RP2040 is a tiny module based on the Raspberry Pi RP2040 Arm microcontroller with up to 23 GPIOs and a USB Type-C port for easy powering and programming. Ever since the Raspberry Pi RP2040 dual-core Arm Cortex-M0+ microcontroller was released, companies have been making tiny modules based on it. Some come with a USB Type-C port such as the Pimoroni Tiny 2040 and the Adafruit QT Py RP2040 boards, while others focused on providing a smaller form factor for soldering only with design such as the RP2040 Stamp or the minuscule 12x12mm Femto module. The Micro RP2040 module comes with a USB-C port and more I/Os than competing modules thanks to a slightly larger 25 x 24.95mm design. Micro RP2040 specifications: MCU – Raspberry Pi RP2040 dual-core Cortex-M0+ microcontroller @ up to 133 MHz with 264kB of SRAM Storage – 2MB QSPI flash USB – USB Type-C […]

Posted on by Jean-Luc Aufranc (CNXSoft) - No Comments on $19.90 nRF52840 Connect Kit board supports Bluetooth LE, NFC, Zigbee, and Thread connectivity

$19.90 nRF52840 Connect Kit board supports Bluetooth LE, NFC, Zigbee, and Thread connectivity

nRF52840 Connect Kit

Makerdiary nRF52840 Connect Kit is a development board based on Nordic Semi nRF52840 multiprotocol wireless microcontroller with support for Bluetooth Low Energy, Bluetooth Mesh, NFC, Thread, Zigbee, 802.15.4, ANT, and 2.4 GHz proprietary connectivity. The nRF52840 Connect Kit comes in a compact form factor with a USB-C port for power and programming, a 64 Mbit QSPI flash, flexible power management, and a rich set of features. Makerdiary offers two versions, one with a chip antenna, and another with an external u.FL antenna. nRF52840 Connect Kit specifications: SoC – Nordic nRF52840 Arm Cortex-M4F WiSoC @ 64 MHz with 1 MB FLASH and 256 kB RAM, Arm TrustZone Cryptocell 310 security subsystem External Storage – 64-Mbit QSPI flash Wireless Connectivity (on-chip) Bluetooth 5, Bluetooth Mesh IEEE 802.15.4 radio for Zigbee and Thread ANT, 2.4GHz proprietary On-chip NFC-A tag Antenna – On-board 2.4GHz chip antenna or u.FL connector for external antenna USB – […]

Posted on by Jean-Luc Aufranc (CNXSoft) - No Comments on Toshiba “MH3 Group (2)” Arm Cortex-M3 MCU supports firmware updates without interrupting operation

Toshiba “MH3 Group (2)” Arm Cortex-M3 MCU supports firmware updates without interrupting operation

Toshiba MH3 Group 2 microcontroller

Toshiba “MH3 Group (2)” Arm Cortex-M3 microcontrollers come with a 1MB flash memory partitioned into two 512KB partitions to enable firmware updates without interrupting microcontroller operation using an area swap function to rotate to the new firmware seamlessly. The new M3H Group (2) builds upon the M3H Group(1) by expanding the code flash memory up to 1MB, and the RAM capacity from 66KB to 130KB. Both are part of the “TXZ+ Family Advanced Class” manufactured with a 40nm process, and equipped with a 120 MHz Arm Cortex-M3 core as well as various interface and motor control options such as UART, I2C, Advanced Encoder Input Circuit, and Advanced Programmable Motor Control Circuit. Toshiba MH3 Group 2 key features and specifications: CPU core – Arm Cortex-M3  @ 120 MHz with memory protection unit (MPU) Internal oscillator – 10MHz (+/-1%) Internal memory Code flash memory – 512KB to 1024KB (program/erase cycles: up to […]

Posted on by Jean-Luc Aufranc (CNXSoft) - 10 Comments on Arduino UNO R4 Minima and WiFi boards launched for $20 and $27.50

Arduino UNO R4 Minima and WiFi boards launched for $20 and $27.50

Arduino UNO R4 WiFi

Arduino UNO R4 Minima and WiFi boards powered by a Renesas RA4M1 32-bit Arm Cortex-M4F microcontroller and equipped with an optional ESP32-S3 WiFI & BLE module are now available for respectively $20 (18 Euros) and $27.50 (25 Euros) on the Arduino store. The Arduino UNO R4 Renesas RA4M1 board was initially unveiled during Arduino Day with most details, but not everything as the company had hidden one part of the board which we now know is for a 12×8 LED matrix and a Qwiic connector for expansion present on the UNO R4 WiFi only. Arduino UNO R4 specifications: Microcontroller – Renesas RA4M1 Arm Cortex-M4F MCU @ 48 MHz with 32KB SRAM, 256KB flash Wireless (Arduino UNO R4 WiFi only) – ESP32-S3-MINI-1 module based on ESP32-S3 dual-core Xtensa LX7 microcontroller with 512KB SRAM, 384KB ROM, WiFi 4 and Bluetooth 5.0 connectivity, PCB antenna Display (UNO R4 WiFi only) –  12×8 LED […]

Posted on by Jean-Luc Aufranc (CNXSoft) - 5 Comments on Portenta C33 is a $64 Arduino Pro board based on Renesas RA6M5 Arm Cortex-M33 MCU

Portenta C33 is a $64 Arduino Pro board based on Renesas RA6M5 Arm Cortex-M33 MCU

Arduino Portenta C33

Arduino Portenta C33 is the latest board from the Arduino Pro family which the company dubs a “high-performance, low-price” solution based on a 200 MHz Renesas RA6M5 Arm Cortex-M33 microcontroller and equipped with a ESP32-C3 Wi-Fi and Bluetooth Low Energy module. The new board provides a cost-effective alternative to the Portenta H7 and X8 boards, but still offers wireless connectivity, a secure element for industrial-grade security, and compatibility with Portenta, MKR, and Nicla components. Portenta C33 specifications: Microcontroller – Renesas R7FA6M5BH2CBG Arm Cortex-M33 microcontroller @ up to 200 MHz with 512KB SRAM, 2MB Flash, Arm TrustZone, and Secure Crypto Engine 9 Storage – 16 MB QSPI Flash Connectivity 10/100M Ethernet PHY ESP32-C3 WiFi and BLE module USB – 1x USB Type-C high-speed port with Power Delivery support I/Os via 2x 80-pin high-density connectors, Arduino MKR headers with castellated hole, and a 5-pin I2C connector Storage – SD Card Networking – […]

Posted on by Jean-Luc Aufranc (CNXSoft) - 1 Comment on Qualcomm 212S and 9205S Satellite IoT modems target remote monitoring and asset tracking

Qualcomm 212S and 9205S Satellite IoT modems target remote monitoring and asset tracking

Qualcomm 212S block diagram

Qualcomm has just unveiled the Qualcomm 212S and Qualcomm 9205S Satellite IoT modems developed in collaboration with Skylo, an NTN service provider, to enable IoT devices connectivity across satellite and cellular networks for remote monitoring and asset tracking. At the beginning of the year, Qualcomm launched Snapdragon Satellite for two-way messaging on smartphones, but the company has now expanded its use of satellite data connectivity with the Qualcomm 212S and 9205S modems optimized for 5G IoT use cases relying on NTN (Non-Terrestrial Networks). Qualcomm 212S Satellite IoT modem Qualcomm 212S (QCX212S) modem specifications: CPU – Arm Cortex-M3 CPU @ up to 204 MHz Cellular connectivity Cellular Technology – Rel.14 LTE Cat-NB2, Rel.17 NB-IoT over NTN RF LTE low bands – B85, B5, B8, B18, B19, B12, B13, B17, B14, B28, B26, B20 LTE mid bands – B70, B25, B66, B4, B3, B2, B1, B23, N255, N256 Network Protocols – SSL, […]

Posted on by Jean-Luc Aufranc (CNXSoft) - 2 Comments on Epi 32U4 – An Arduino-compatible USB-C development board with ATmega32U4 MCU (Crowdfunding)

Epi 32U4 – An Arduino-compatible USB-C development board with ATmega32U4 MCU (Crowdfunding)

Epi 32U4 Arduino USB Type-C development board

Epi 32U4 is a tiny Arduino-compatible development board based on a Microchip ATmega32U4 8-bit AVR microcontroller with just a USB-Type-C port and 23 I/O pins accessible through castellated holes that can be soldered to headers or another PCB. The board also includes some protection such as a fuse, ESD protection, a ferrite bead, and a low-pass filter for the analog reference voltage. Ping Hobbyelektronik, the developer, says it’s especially useful for compact USB keyboards, but it also has more I/O ports than a standard Pro Micro board, so it’s appropriate for a range of other projects as well. Epi 32U4 board specifications: MCU – Microchip ATmega32U4 8-bit AVR microcontroller @ 8MHz or 16 MHz with 32 KB flash, 2.5 KB SRAM, 1 KB EEPROM USB 1x USB Type-C port for power and programming USB D+ and D- lines are broken out ESD and surge protection on USB data lines and […]