Is stm32 part of arm? Before answering this question, let's look at the definitions of STM32 and ARM. The STM32 is a 32-bit flash microcontroller based on the ARM® Cortex® M 3 processor core, opening up a new free development space for MCU users and providing a variety of easy-to-use hardware and software aids. The STM32 MCU combines high performance, real-time performance, digital signal processing, low power consumption, and low voltage while maintaining high integration and ease of development. The industry's most powerful product lineup, based on industry-standard processors, and a wide range of hardware and software development tools make STM32 microcontrollers ideal for a variety of small and medium-sized projects and complete platform solutions. Divided into different product families by kernel architecture. ARM is intended to be a well-known company in the microprocessor industry, and ARM is the world's leading provider of semiconductor intellectual property (IP). More than 95% of smartphones and tablets worldwide use the ARM architecture. ARM designs a large number of cost-effective, low-power RISC processors, related technologies and software. It has a dominant position in processors such as smart phones, tablets, embedded control, and multimedia digital. Here ARM refers to the ARM processor. The ARM processor is the first RISC microprocessor designed for low power consumption by Acorn, UK. Fully known as Acorn RISC Machine. The ARM processor itself is a 32-bit design, but it is also equipped with a 16-bit instruction set, which generally saves 35% compared to the equivalent 32-bit code, but retains all the advantages of a 32-bit system. The three characteristics of the ARM processor are: low power consumption, 16-bit/32-bit dual instruction set and numerous partners. 1. Small size, low power consumption, low cost and high performance; 2, support Thumb (16-bit) / ARM (32-bit) dual instruction set, can be well compatible with 8-bit / 16-bit devices; 3, the use of a large number of registers, the instruction execution speed is faster; 4. Most data operations are done in registers; 5. The addressing mode is flexible and simple, and the execution efficiency is high; 6. The instruction length is fixed. The ARM processor core currently has six series of products ARM7, ARM9, ARM9E, ARM10E, SecurCore and the latest ARM11 series. The stm32 uses the Cortex-M3 core. In general, STM32 is a high-performance single-chip microcomputer. The general application occasions are application control. It mainly competes with 51, AVR and other low-end microcontroller markets. The advantage lies in the relatively high processing speed (F4 is now up to 180M), on-chip. More resources. ARM, generally speaking, ARM refers to the system on chip, if you use ARM as a single-chip, the cost performance is not high enough. All in all, the STM32 is based on the ARM Cortex-M3 core, but not ARM. Stm32 uses the cortex-m framework, and cortex-m is an enhanced version of arm7, so it can also be considered a branch of arm. The STM32 core is based on ARM's ARM Cortex-M3 core specifically designed for embedded applications requiring high performance, low cost, and low power. STM32 is a member of the ARM7 architecture. Stm32 development difficulty between ARM7 and ARM9, the function is stronger than the general ARM7, compared with ARM9 is mainly cost-effective, peripheral multi-interface convenient, and low power consumption. Many netizens think that ARM7 will be replaced by STM32. STM32 is biased towards industrial control without system. Peripheral devices are even more abundant than ARM7 and ARM9. ARM7 can't bring large systems. At least, we must start with ARM9. Either directly on the ARM9 learning system, we will make a detailed comparison of the differences between the two. STM32 is an ARM product with very high cost performance on the market. It uses the Cortex-M3 core. At the same price, its internal resources are more abundant than 51. STM32 series products have good compatibility in software and hardware, especially when the chip with less PIN pin is replaced with the chip with more PIN pin, the code can be directly applied without modification. From the development point of view, STM32 is much simpler to program than 51. The factory engineering code provides a lot of library functions to operate GPIO, UART, SPI, AD, TIMER and other resources, do not need to remember the special registers like 51 Attributes and uses. This project Gannan quality navel orange whole fruit (not peeled) as raw materials, using self-developed patent Orange surface sterilization technology to maximize retained a whole pieces of all Orange essence (Orange: Shun Qi, phlegm, pulp: fiber laxative, fruit seeds: allergic inflammation, juice: whitening detox).
I produced using enzymes navel cleaning, sterilization, slice, fermentation (fermentation grade composite multi-strain), solid-liquid separation, bottling and other steps. Each step developed a patented automated production equipment, fully automated production, to avoid the traditional manual production workers are not standardized, easy to pollution, low production efficiency, product quality is unstable defects.
Companies registered capital of 35 million yuan, the end of 2014 the total assets of 48.69 million yuan, including fixed assets of 37.52 million yuan. The company's existing cooperation Orange cultivation base 7043.5 acres, the company production base is located in Jiangxi County Tech Industrial Park Chu Tan industrial area, covers an area of 120 acres, it has built a standard plant 9,000 square meters, Nissan 6000 kg Orange enzymes and other liquid enzyme products. Enzyme, known as enzyme, refers to a polymer substance having biocatalytic functionality. In the catalytic reaction system an enzyme, the reactant molecules are known as substrates, enzyme substrates by catalytic conversion to another molecule. Almost all cellular activity of enzymes involved in the process are required to improve efficiency. Similar to other non-biological catalysts, enzymes chemical reactions by lowering the activation energy to accelerate the rate of the reaction, most of the enzyme catalyzed reaction rate can be increased a million times; in fact, the enzyme is to provide an activation energy needs than another low way, so that more particles to have less than the activation energy of the reaction kinetic energy, thus speeding up the reaction rate. Enzyme as a catalyst, in itself is not consumed during the reaction, it does not affect the chemical equilibrium reactions. Positive enzyme catalysis, but also a negative catalytic effect, not only to accelerate the reaction rate, but also to reduce the reaction rate. And other non-living catalysts is different, having a high degree of specificity of enzyme, only a catalytic reaction or produce a particular specific configuration.
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Previous arm7 energy efficiency is low, arm9 hardware and programming is too complicated, so in order to meet the requirements of consumer electronics and improve arm7, codename is cortex-m, so st or nxp and other manufacturers to add their own peripherals to get this new core The stm32 or lpc series of single-chip microcomputers. 
Conventional enzyme production is mainly produced by hand, hand-sliced, hand-fermentation, the company every step of the process are used self-developed technology and equipment to automate production. Moreover, the conventional enzyme production have adopted a fermentation technology, enzyme often taste discomfort, sour and other issues, I produced using a variety of enzymes, probiotics composite grade fermentation technology, fermentation at different times with different strains, and two or three times through fermentation, enzymes such pure taste, streptozotocin balanced nutrients. Scientific and standardized process: