MC68705P3S
MC68705P3S is a microcontroller chip developed by MotorolaMC68705P3S
MC68705P3S is a microcontroller chip developed by Motorola
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MC68705P3S 數據表
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詳細說明
The MC68705P3S is an 8-bit microcontroller manufactured by Motorola. It features a single-chip design, integrating a CPU, ROM, RAM, I/O ports, and timers on a single silicon die. With a clock speed of up to 3.5 MHz, it offers moderate processing power suitable for various embedded applications. The ROM size typically ranges from 2 to 4 KB, while RAM capacity is around 128 bytes. It supports both serial and parallel communication interfaces, enabling connectivity with external devices. The MC68705P3S is known for its low power consumption, making it suitable for battery-powered devices. It also features a built-in oscillator circuit, simplifying system design and reducing external component count. Additionally, it supports on-chip debugging capabilities, aiding in software development and troubleshooting.
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主要特徵
- 8-bit MPU with 52 bytes RAM
- 2K bytes of EPROM/OTPROM
- 15 general-purpose I/O pins
- 2-channel 16-bit timer
- SCI interface for serial communication
- 8-bit ADC with 8 channels
- Real-time clock and watchdog timer
- 16-bit address bus
應用
- Industrial control systems
- Automotive control units
- Security systems
- Home appliances
- Consumer electronics
- Medical devices
- Gaming consoles
- Office equipment
- Telecommunication devices
- Instrumentation and measurement devices
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規格
以下是所選零件的基本參數,涉及零件的特性及其所屬類別。
Rohs Code | No | Part Life Cycle Code | Obsolete |
Reach Compliance Code | HTS Code ! | 8542.31.00.01 | |
Has ADC | NO | Address Bus Width ! | |
Bit Size | 8 | Clock Frequency-Max | 4.2 MHz |
DAC Channels | NO | DMA Channels | NO |
External Data Bus Width | JESD-30 Code | R-CDIP-T28 | |
JESD-609 Code | e0 | Length | 37.145 mm |
Number of I/O Lines | 20 | Number of Terminals | 28 |
Operating Temperature-Max | 70 °C | Operating Temperature-Min | |
PWM Channels | NO | Package Body Material | CERAMIC, METAL-SEALED COFIRED |
Package Code | WDIP | Package Shape | RECTANGULAR |
Package Style | IN-LINE, WINDOW | Qualification Status ! | Not Qualified |
ROM Programmability | UVPROM | Seated Height-Max | 6.09 mm |
Speed | 1 MHz | Supply Voltage-Max | 5.75 V |
Supply Voltage-Min | 4.75 V | Supply Voltage-Nom | 5.25 V |
Surface Mount ! | NO | Technology | NMOS |
Temperature Grade ! | COMMERCIAL | Terminal Finish | TIN LEAD |
Terminal Form ! | THROUGH-HOLE | Terminal Pitch ! | 2.54 mm |
Terminal Position | DUAL | Width | 15.24 mm |
uPs/uCs/Peripheral ICs Type | MICROCONTROLLER |
數據表 PDF
數據表記錄了器件的特性、絕對最大額定值、應用等,這對於作為器件特定應用的整體指南大有裨益。
常見問題解答
What is MC68705P3S?
The MC68705P3S is a microcontroller unit (MCU) from Motorola, now Freescale Semiconductor, which features a 6805 CPU core. It is commonly used in embedded systems, automotive applications, and industrial control systems.
How Does MC68705P3S Work?
The MC68705P3S operates as a microcontroller with a 6805 CPU core, providing processing power for various embedded applications. It integrates a versatile set of peripherals and interfaces for interacting with external components, making it suitable for controlling and monitoring tasks.
How Many Pins does MC68705P3S have and What are the Functions of the Pinout Configuration?
The MC68705P3S is typically available in a 28-pin DIP (Dual Inline Package) or similar package. The pinout configuration includes:
- VDD: Power supply pin.
- VSS: Ground pin.
- OSC1, OSC2: Crystal oscillator connections.
- RST: Reset pin.
- IRQ: Interrupt request pin.
- PORT A, PORT B: General-purpose I/O ports.
- TXD, RXD: Serial communication pins.
- PWM: Pulse Width Modulation output pin.
What are the Pros and Cons of MC68705P3S?
Pros:
- Well-Established: The 6805 core has a long history of reliable operation in embedded systems.
- Integrated Peripherals: Includes various on-chip peripherals for enhanced functionality.
- Industry Usage: Widely used in automotive and industrial applications, ensuring compatibility.
- Cost-Effective: Provides a balance between features and cost for many applications.
- Development Tools: Supports a range of development tools and software for programming.
Cons:
- Legacy Technology: The 6805 core may lack some modern features and capabilities found in newer microcontrollers.
- Limited Resources: May have limited memory and processing power compared to more advanced microcontrollers.
- Availability: Older MCU models like the MC68705P3S may face challenges in terms of availability and support.
Are There Any Equivalents/Alternatives to MC68705P3S for Recommendation?
- An equivalent MCU to the MC68705P3S is the PIC16F84A from Microchip Technology.
- Alternative microcontrollers to consider include the ATmega328P from Microchip Technology and the STM32F103 from STMicroelectronics.
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