MC6850P

MC6850P is a Universal Asynchronous Receiver/Transmitter (UART) chip, used for serial communication in microprocessor systems
5,129 有效庫存

MC6850P

有效庫存5,129

MC6850P is a Universal Asynchronous Receiver/Transmitter (UART) chip, used for serial communication in microprocessor systems

  • 製造商零件號 # : MC6850P

  • 包裝/封裝: DIP-24

  • 製造商: Onsemi

  • 產品分類 : Serial IO/Communication Controllers

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MC6850P 數據表
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詳細說明

The MC6850P is a versatile asynchronous communications interface adapter (ACIA) chip designed by Motorola. It is commonly used in various communication applications such as modems, terminals, printers, and other devices.The MC6850P features a 2-wire serial interface for communication with a microprocessor or other external devices. It supports both full-duplex and half-duplex communication modes with adjustable baud rates ranging from 75 to 19200 bits per second.It has a built-in 8-bit parallel port for interfacing with external devices and can be configured for both synchronous and asynchronous communication. The chip also includes a flexible clock generator, programmable control registers, and error detection capabilities.The MC6850P is known for its reliability, ease of use, and compatibility with a wide range of microprocessors and devices. It is a popular choice for designers looking to add serial communication capabilities to their systems

MC6850P

主要特徵

  • Single-channel communication controller
  • Operates in both synchronous and asynchronous modes
  • Includes a USART
  • Supports full-duplex operation
  • Programmable baud rate generator
  • Can be programmed to support different word lengths and stop bits
  • Includes control and status registers for easy communication

應用

  • Data communication
  • Telecommunication
  • Networking
  • Telemetry
  • Automation
  • Industrial control systems
  • Handheld terminals

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
Address Bus Width ! 1 Boundary Scan NO
Bus Compatibility 6800 Clock Frequency-Max 1 MHz
Communication Protocol ASYNC, BIT Data Encoding/Decoding Method NRZ
Data Transfer Rate-Max 0.125 MBps External Data Bus Width 8
JESD-30 Code R-PDIP-T24 JESD-609 Code e0
Length 31.75 mm Low Power Mode NO
Number of DMA Channels Number of I/O Lines
Number of Serial I/Os 1 Number of Terminals 24
On Chip Data RAM Width Operating Temperature-Max 70 °C
Operating Temperature-Min Package Body Material PLASTIC/EPOXY
Package Code DIP Package Shape RECTANGULAR
Package Style IN-LINE Qualification Status ! Not Qualified
RAM (words) 0 Seated Height-Max 5.08 mm
Supply Voltage-Max 5.25 V Supply Voltage-Min 4.75 V
Supply Voltage-Nom 5 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 SERIAL IO/COMMUNICATION CONTROLLER, SERIAL

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。

初步規格 MC6850P PDF 下載

常見問題解答

What is MC6850P?

The MC6850P is a versatile asynchronous communications interface adapter (ACIA) designed by Motorola. It is commonly used for serial communication in microcontroller-based systems, such as industrial control systems, embedded applications, and communication modules.

How Does MC6850P Work?

The MC6850P works by providing the necessary interface for asynchronous serial communication between a microcontroller and external devices. It supports the generation and detection of serial data, making it suitable for applications requiring reliable and robust serial communication.

How Many Pins does MC6850P have and What are the Functions of the Pinout Configuration?

The MC6850P is housed in a 24-pin DIP (Dual Inline Package) package. The pinout configuration includes:

  • RTS, TX, RX, DCD, CTS, DSR, Rl, Rl*: Serial communication control and data pins.
  • VCC, GND: Power supply and ground pins.
  • BAUD, CLOCK, RESET, INT*: Interface control and status pins.
  • SYNC*, RxD*, TxD*: Synchronization and data communication pins.

What are the Pros and Cons of MC6850P?

Pros:

  • Versatility: Suitable for a wide range of asynchronous serial communication applications.
  • Reliability: Provides robust communication interface for microcontroller-based systems.
  • Compatibility: Works well with various microcontrollers and embedded systems.
  • Proven Technology: The MC6850P has been a popular choice for serial communication in legacy systems and retro computing.

Cons:

  • Obsolete: As a legacy component, availability may be limited, and it may not offer the latest features and performance.
  • Power Consumption: May consume more power compared to modern communication interfaces.
  • External Components: May require additional external components for specific applications and integration.

Are There Any Equivalents/Alternatives to MC6850P for Recommendation?

  • The XR68C681 from Exar Corporation is a similar asynchronous communications interface adapter that can serve as an alternative to the MC6850P.
  • Alternatives to the MC6850P include the 16550 UART and the 8250 UART, which are commonly used in microcontroller systems.

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