On October 30, Sinemicro (Shenzhen) Co., Ltd. (STAR Market: 688380) officially released the CMS32F407 series of 32-bit high-performance MCUs. Built on an Arm Cortex-M4F core with a maximum frequency of 168MHz, the series offers selectable 512KB/1024KB Flash and 192KB SRAM, supports industrial-grade operation from -40°C to +105°C, and targets industrial control, IoT, consumer electronics and smart-home applications — providing customers with a cost-effective domestic MCU choice that balances compute, reliability and cost.
In terms of specifications, the CMS32F407 integrates two 8-channel DMA groups that move data in parallel across peripherals to reduce CPU load; analog resources include a high-precision ADC (up to 16 external channels in total) and two 12-bit DACs with an internal reference voltage; communication peripherals cover 4x USART, 2x UART, 3x SPI (two of them multiplexable as I2S), 3x I2C, 2x CAN, 2x USB, one Ethernet port, one DCMI and one SDIO, with a parallel LCD interface supporting 8080/6800 modes and as many as 82 GPIOs. On the timing side it provides two 16-bit advanced timers, ten 16-bit general-purpose timers and two 16-bit basic timers, supporting up to 36 independent PWM outputs, plus an RTC, a true random number generator (RNG) and a hardware CRC unit. The chip operates from 2.0V to 3.6V in LQFP64/LQFP100 packages; samples, development kits, full technical documentation and SDKs are already available, with volume production and delivery planned for the first quarter of 2027.
From an industry-landscape perspective, domestic MCUs are climbing from “price-performance substitution” toward “head-to-head performance”: the CMS32F407 forms a tiered complement to the previously released CMS32F103 series, advancing across compute, memory capacity, communication expansion and display interfaces, and taking aim at the mid-to-high-end industrial MCU market long held by international vendors. As downstream applications in industrial control, digital energy and robotics raise the bar for complex algorithms, graphical UIs and multi-layer protocol stacks, a 168MHz-class Cortex-M4F is becoming the new baseline for industrial terminals and gateway devices, while industrial-grade wide-temperature design and localized technical support are the two levers domestic vendors use to win over installed customers.
The division of labor between MCUs and SoCs has long been part of Junyi Microelectronics’ product philosophy: the J-3568/J-3576/J-3588 core boards carry the main compute load, while hard-real-time tasks such as motor control, sensor acquisition and protocol conversion on the field side are handled by MCU-class devices, forming a “big compute plus hard real-time” dual-brain architecture; the K-series edge AI motherboards and the 5G-EDGE-3399Pro edge computing host likewise rely on companion MCUs to process CAN and serial field buses in gateway applications, and the display and interaction chains of the touch-panel all-in-ones and the IPC-i5-1235U industrial mini PC also depend on MCU support at the lowest level. The steady maturation of domestic high-performance MCUs gives Junyi more BOM options that balance cost and supply security across its system products.
Source: https://stock.10jqka.com.cn/20261030/c681290686.shtml (October 30, 2026)