DS89C21TMX

Overview of DS89C21TMX

The DS89C21TMX is a microcontroller optimized for high-speed and low-voltage operations, providing excellent performance for specific applications such as analog and digital signal switching.

Pinout

The DS89C21TMX pinout refers to the configuration and function of each pin in its SOIC-8 package. This package typically includes a diagram showing the layout of the pins when viewed from the top down with pins named sequentially. Each pin on the DS89C21TMX has a specific role such as power supply input, ground connection, or signal interface. The pinout details are crucial for integrating this component into a circuit as they ensure correct connections for optimal device performance. Designers and engineers must refer to the datasheet provided by the manufacturer to get accurate information regarding each pin's function and electrical characteristics.

Features

• 8051-compatible microcontroller: The DS89C21TMX is based on the 8051 microprocessor architecture, providing a high level of compatibility with existing software and hardware designs.
• 2k bytes of internal RAM: The device features 2 kilobytes of internal RAM for storing data and program instructions.
• 32 programmable I/O lines: The DS89C21TMX has 32 programmable I/O lines that can be used as inputs or outputs, allowing for flexible configuration of the device's interface.
• Three 16-bit timer/counters: The device features three 16-bit timer/counters that can be used to measure time intervals and generate interrupts.
• Precision analog comparator: The DS89C21TMX includes a precision analog comparator that can be used to compare the levels of two analog signals.
• On-chip watchdog timer: The device features an on-chip watchdog timer that can be used to monitor the system's activity and generate interrupts if the system becomes stuck in an infinite loop.
• 1+K programmable ROM: The DS89C21TMX includes 1 kilobyte of programmable ROM that can be used to store program instructions and data.
• UART: The device features a built-in UART (Universal Asynchronous Receiver-Transmitter) interface that can be used for serial communication.
• Temperature range: -40°C to +85°C: The DS89C21TMX operates over a wide temperature range, making it suitable for use in various environments and applications.
• Low standby power consumption: The device features low standby power consumption, making it an energy-efficient solution for battery-powered devices or systems that require long periods of dormancy.

Applications

• Data communication systems: The DS89C21TMX can be used in data communication systems such as modems, routers, and switches.
• Industrial control systems: The device is suitable for use in industrial control systems that require high-speed processing and low-power consumption.
• Embedded systems: The DS89C21TMX can be used in embedded systems such as automotive electronics, medical devices, and consumer appliances.
• Automotive systems: The device is suitable for use in automotive systems that require high-speed processing and low-power consumption.
• Medical devices: The DS89C21TMX can be used in medical devices such as patient monitoring equipment, insulin pumps, and portable defibrillators.
• Consumer appliances: The device is suitable for use in consumer appliances such as smart home devices, gaming consoles, and set-top boxes.

Equivalents

The DS89C21TMX is equivalent to other 8051-based microcontrollers such as the Intel 8051, the Philips P89C51, and the Texas Instruments TMS320C51.

Frequently Asked Questions

Q: What is the operating frequency of the DS89C21TMX?
A: The device operates at a clock frequency of up to 24 MHz.

Q: How much RAM does the DS89C21TMX have?
A: The device features 2 kilobytes of internal RAM.

Q: What is the power consumption of the DS89C21TMX in standby mode?
A: The device consumes very low power in standby mode, typically less than 1 μA.

Q: Is the DS89C21TMX compatible with existing software and hardware designs based on the 8051 microprocessor architecture?
A: Yes, the device is fully compatible with existing software and hardware designs based on the 8051 microprocessor architecture.