PIC32CM6408MC00048-I/Y8X vs MC68HRC705JP7CP
| Part Number |
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| Category | Embedded - Microcontrollers | Embedded - Microcontrollers |
| Manufacturer | Microchip Technology | Motorola |
| Description | IC MCU 32BIT 64KB FLASH 48TQFP | IC MCU 8BIT 1.2KB OTP 28DIP |
| Package | Tray | Bulk |
| Series | PIC® 32CM | - |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount | Through Hole |
| Package / Case | 48-TQFP | 28-DIP (0.300\", 7.62mm) |
| Supplier Device Package | 48-TQFP (7x7) | 28-PDIP |
| Voltage - Supply (Vcc/Vdd) | 2.7V ~ 5.5V | 3V ~ 5.5V |
| Speed | 48MHz | 2.1MHz |
| Number of I/O | 38 | 14 |
| EEPROM Size | 2K x 8 | - |
| Core Processor | ARM® Cortex®-M0+ | HC05 |
| RAM Size | 8K x 8 | 224 x 8 |
| Core Size | 32-Bit | 8-Bit |
| Connectivity | I²C, IrDA, LINbus, RS-485, SERCOM, SMBus, SPI, UART/USART | I²C, SCI, SPI |
| Peripherals | Brown-out Detect/Reset, DMA, Motor Control, POR, PWM, WDT | POR, WDT |
| Program Memory Size | 64KB (64K x 8) | 1.2KB (1.2K x 8) |
| Program Memory Type | FLASH | OTP |
| Data Converters | A/D 14x12b, 1x16b Sigma-Delta; D/A 1x10b | A/D 4x12b |
| Oscillator Type | Internal | Internal |
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1. What is an embedded microcontroller?
An embedded microcontroller is a device that integrates an entire computer system into a single chip. It usually includes functional modules such as a central processing unit, memory, input and output ports, and timers, all of which are integrated on a single chip. This design enables embedded microcontrollers to perform specific tasks with high flexibility and efficiency.
The main features of embedded microcontrollers include:
Highly integrated: multiple functions such as CPU, memory, and I/O interface are integrated on a single chip, reducing the number of components and system volume.
Strong specialization: Optimized for specific application scenarios, providing a specific combination of processing power, memory, and input and output interfaces.
Efficient and reliable: The integrated design makes the system more stable and reliable, reducing the connection of external components and signal interference.
High flexibility: According to different application requirements, embedded microcontrollers can have multiple derivative products, each with the same processor core, but different memory and peripheral configurations to adapt to different application scenarios. -
2. What is the most widely used microcontroller in embedded systems?
The most widely used microcontroller in embedded systems is the STM32 series. The STM32 series microcontroller is a chip series widely used in embedded system development, and is favored for its high performance, low power consumption and rich peripheral resources.
The STM32 series of microcontrollers has a variety of models and derivatives suitable for different application requirements. These microcontrollers usually integrate components such as CPU, ROM, RAM, IO ports, timers, interrupt controllers, etc., which can meet the needs of various application scenarios. The STM32 series of microcontrollers play an important role in the fields of household appliances, automotive electronics and medical equipment.
The wide application of the STM32 series of microcontrollers is due to its powerful functions and flexibility. It is not only suitable for controlling various electrical and electronic equipment, but also performs well in occasions requiring high-performance computing. In addition, the development tools and community support of the STM32 series of microcontrollers are also very complete, allowing developers to quickly get started and develop efficiently. -
3. Is Raspberry Pi an embedded system?
Raspberry Pi is an embedded system. Raspberry Pi is a single-board computer based on ARM architecture with rich input and output interfaces and powerful computing power. It can run the Linux operating system and support multiple programming languages such as Python and C++. Due to its compact size and powerful functions, Raspberry Pi is widely used in various embedded systems and robotics projects.
Features of Raspberry Pi include:
Based on ARM architecture: Raspberry Pi adopts ARM architecture, which is an architecture widely used in embedded systems with low power consumption and high efficiency.
Rich interfaces: It has USB interface, Fast Ethernet interface, SD slot, HDMI output interface, etc., and can connect a variety of peripherals.
Open source software support: It supports multiple programming languages and a large number of open source software libraries, which is convenient for development and expansion.
Wide application: It is often used to build routers, smart cars, smart homes, servers and other applications.
Disadvantages of Raspberry Pi include:
Single 5V power supply: The power supply design is simple, which may cause unstable operation of peripherals.
Bandwidth limitation: The USB interface has limited bandwidth and may encounter performance bottlenecks when transmitting large amounts of data. -
4. Is Raspberry Pi a microcontroller?
Raspberry Pi is not a microcontroller in the traditional sense. Raspberry Pi is a microcomputer, often called a single-board computer, which has more powerful computing power and more functions, including writing code directly on the device and running multiple programming languages.
Raspberry Pi has some features of a microcontroller, such as it also has GPIO (general input and output) pins, which can control external devices through these pins. In addition, Raspberry Pi can also be used for the development of embedded systems, especially in application scenarios that require higher computing power.
