MC68302EH20C
Product Overview
- Category: Microcontroller
- Use: Embedded systems, communication devices
- Characteristics: High performance, low power consumption
- Package: 132-pin QFP (Quad Flat Package)
- Essence: Integrated microcontroller with built-in peripherals
- Packaging/Quantity: Tray packaging, available in various quantities
Specifications
- Manufacturer: Motorola
- Core: 32-bit CPU
- Clock Speed: 20 MHz
- Memory: On-chip RAM and ROM
- Peripherals: UART, Timer, DMA controller, Interrupt controller
- Operating Voltage: 3.3V
- Temperature Range: -40°C to +85°C
Detailed Pin Configuration
The MC68302EH20C has a total of 132 pins. The pin configuration is as follows:
- VCC
- GND
- XTAL1
- XTAL2
- RESET
- IRQ0
- IRQ1
- IRQ2
- IRQ3
- IRQ4
- IRQ5
- IRQ6
- IRQ7
- IRQ8
- IRQ9
- IRQ10
- IRQ11
- IRQ12
- IRQ13
- IRQ14
- IRQ15
- A0
- A1
- A2
- A3
- A4
- A5
- A6
- A7
- A8
- A9
- A10
- A11
- A12
- A13
- A14
- A15
- A16
- A17
- A18
- A19
- A20
- A21
- A22
- A23
- A24
- A25
- A26
- A27
- A28
- A29
- A30
- A31
- D0
- D1
- D2
- D3
- D4
- D5
- D6
- D7
- D8
- D9
- D10
- D11
- D12
- D13
- D14
- D15
- D16
- D17
- D18
- D19
- D20
- D21
- D22
- D23
- D24
- D25
- D26
- D27
- D28
- D29
- D30
- D31
- DSACK0
- DSACK1
- DSACK2
- DSACK3
- AS
- UDS
- LDS
- R/W
- DTACK
- BERR
- HALT
- VPA
- VMA
- BE
- BG
- BR
- BGACK
- BGACKEN
- BCLK
- BREQ
- BGRANT
- BGRANTEN
- BBSY
- BERROR
- BIP
- BOP
- BDTACK
- BHALT
- BRESET
- BBR
- BBG
- BBGACK
- BBGACKEN
- BBCLK
- BBREQ
- BBGRANT
- BBGRANTEN
- BBSY
- BBERROR
- BBIP
- BBOP
- BBDTACK
- BBHALT
- BBRESET
- BBBR
- BBBG
- BBBGACK
Functional Features
- High-performance 32-bit CPU for efficient processing
- Built-in peripherals such as UART, Timer, DMA controller, and Interrupt controller
- On-chip RAM and ROM for data storage and program execution
- Low power consumption for energy-efficient operation
- Suitable for embedded systems and communication devices
Advantages and Disadvantages
Advantages: - High performance for demanding applications - Integrated peripherals reduce external component count - Low power consumption extends battery life - On-chip memory eliminates the need for external memory chips
Disadvantages: - Limited clock speed compared to some modern microcontrollers - Availability of alternative models with more advanced features
Working Principles
The MC68302EH20C operates on a
기술 솔루션에 MC68302EH20C 적용과 관련된 10가지 일반적인 질문과 답변을 나열하세요.
Sure! Here are 10 common questions and answers related to the application of MC68302EH20C in technical solutions:
Q: What is MC68302EH20C? A: MC68302EH20C is a highly integrated microcontroller unit (MCU) developed by Freescale Semiconductor (now NXP Semiconductors). It combines a powerful CPU, various peripherals, and memory on a single chip.
Q: What are the key features of MC68302EH20C? A: Some key features include a 32-bit CPU core, multiple serial communication interfaces, timers/counters, interrupt controller, DMA controller, memory management unit, and support for external memory expansion.
Q: In what applications can MC68302EH20C be used? A: MC68302EH20C is commonly used in embedded systems, industrial automation, telecommunications equipment, network routers, data acquisition systems, and other applications that require high-performance processing and connectivity.
**Q: How much memory does MC68302EH20C support?
A: MC68302EH20C supports up to 16 MB of external memory through its memory management unit (MMU), allowing for larger program and data storage.Q: What communication interfaces are available on MC68302EH20C? A: MC68302EH20C provides multiple communication interfaces, including UARTs (Universal Asynchronous Receiver/Transmitter), SPI (Serial Peripheral Interface), I2C (Inter-Integrated Circuit), and parallel ports.
Q: Can MC68302EH20C handle real-time tasks? A: Yes, MC68302EH20C has built-in timers/counters and an interrupt controller, making it suitable for handling real-time tasks and event-driven applications.
Q: Is MC68302EH20C suitable for low-power applications? A: While MC68302EH20C is not specifically designed for low-power applications, it does offer power-saving features such as clock gating and sleep modes to help optimize power consumption.
Q: Can MC68302EH20C be programmed using high-level languages like C or C++? A: Yes, MC68302EH20C can be programmed using high-level languages like C or C++. Development tools and compilers are available to facilitate software development for this microcontroller.
Q: Are there any development boards or evaluation kits available for MC68302EH20C? A: Yes, there are development boards and evaluation kits available from NXP Semiconductors and third-party vendors that provide a platform for prototyping and testing solutions based on MC68302EH20C.
Q: Is MC68302EH20C still in production? A: As of my knowledge, MC68302EH20C is no longer in production. However, you may still find stock available through distributors or second-hand markets. It is recommended to check with the manufacturer for the latest information.
Please note that the answers provided here are general and may vary depending on specific requirements and application scenarios.