Beyond the Covid-19 storm who turned the world upside-down, this was a rather dull month for the MCU community with mostly new variants of existing products.
NXP made our day (month) by releasing an application specific MCU based on the Cortex-M33 that includes the first instance of an I3C bus interface we’ve seen to date. It is a MIPI-designed specification bound to slowly replace the I2C.
No significant changes.
Microchip released the AVR128 family, based on a 24 MHz AVR® CPU – 1.8V to 5.5V. The family includes 32 KB, 64 KB and 128 KB Flash variants in 28- to 64-pin package options. The AVR-DA family brings capacitive touch sensing and real-time control functions to applications including industrial control, home appliance products, automotive and Internet of Things (IoT). Some of the family members like the AVR128DA64 are recommended for safety critical applications targeting both industrial and automotive products (IEC 61508 and ISO 26262).
There were also a number of the famous VAO variants (automotive grade).
Nordic released the nRF52820, a Bluetooth 5.2 SoC with FS USB for HID, smart home, commercial, and industrial applications. Powered by a Cortex-M4 processor running at 64 MHz, it embeds 256 kB / 32 kB of Flash/RAM, and range of analog and digital interfaces such as an analog comparator, UART, SPI, TWI, QDEC.
Supply voltage ranges from 1.7 to 5.5 V. Radio ouput power is up to +8 dBm.
The nRF52820 supports all BLE features, including Direction Finding, high-throughput 2 Mbps, Long Range, and all Bluetooth 5.2 features. It also supports Bluetooth mesh, Thread and Zigbee mesh protocols.
Nuvoton introduced the new M032 series, based on a 48/72MHz Cortex®-M0 with 32-bit hardware multiplier/divider, with a supply voltage range of 1.8V ~ 3.6V and 5V I/O tolerant. Features include Crystal-less USB, 2 MSPS conversion rate 12-bit ADC , comparators and up-to 24-ch 96/144 MHz PWM control. Additionally, M032 series also provides flexible peripherals with the Universal Serial Control Interface ( USCI ) that can be set as UART / SPI / I²C flexibly, up to 10 sets of UART , 4 sets of SPI , 4 set I²C , 1-wire UART interface for data communication between master and slave devices.
Flash sizes range from 32 KB to 512 KB , SRAM size from 4 KB to 96 KB and packages include TSSOP20, TSSOP28, QFN33, LQFP48 to LQFP 64 and LQFP128.
NXP introduced the LPC551x to complement the existing general puprpose Cortex-M33-based 40nm LPC552x.The 150MHz LPC551x/S1x MCU family offers from 256/96 to 64/48 kB of Flash/RAM with multiple connectivity options including CAN FD, highspeed USB with on-chip PHY, high-speed SPI, SDIO and FlexComm interfaces (configurable as either SPI/I2C/I2S,UART). The LPC55S1x adds security capabilities including Arm TrustZone®, SRAM PUF for root-of-trust and
provisioning, a hardware symmetric encryption/decryption engine, secure debug and the PRINCE engine for real-time execution from encrypted images.
NXP released the DS-RT600, an application-specific MCU based on the Cortex-M33. It embeds the Cadence Xtensa HiFi 4 audio DSP as well as 4.5MB of RAM. We found the first instance of an I3C bus interface, bound to replace the solid I2C.
No significant changes.
Cypress added about 20 variant to the existing PSoC61, a dual core Cortex-M0+ (system)/ Cortex-M4 (application).
ST extended the STM32L4+ series to the lower end with the 120 MHz Cortex-M4 STM32L4P5/Q5. The STM32L4P5 portfolio offers 512 Kbytes to 1 Mbytes of Flash memory and from 48 to 169-pin packages while the STM32L4Q5 features 1 MB Flash and an encryption acceleration engine (AES, HASH and PKA).
TI added a few variant to existing products.
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