DS89C440-MNL

Product Overview

Use

This microcontroller is designed for various embedded applications that require high-performance processing and control capabilities.

Characteristics

High-performance microcontroller with advanced features
Low power consumption
Compact size
Wide operating voltage range
Robust design for reliable operation in harsh environments

Package

The DS89C440-MNL is available in a compact and durable package, suitable for surface mount technology (SMT) assembly.

Essence

The essence of the DS89C440-MNL lies in its ability to provide efficient and reliable control and processing capabilities for embedded systems.

Packaging/Quantity

The DS89C440-MNL is typically packaged in reels or trays, with a quantity of 1000 units per reel/tray.

Specifications

Microcontroller architecture: 8-bit
Clock frequency: up to 20 MHz
Program memory: 32 KB Flash
Data memory: 2 KB RAM
Input/output pins: 32
Communication interfaces: UART, SPI, I2C
Operating voltage range: 2.7V to 5.5V
Operating temperature range: -40°C to +85°C

Detailed Pin Configuration

The DS89C440-MNL has a total of 44 pins, each serving a specific purpose. The pin configuration is as follows:

VDD - Power supply voltage
VSS - Ground
P0.0 - General-purpose I/O pin
P0.1 - General-purpose I/O pin
P0.2 - General-purpose I/O pin
P0.3 - General-purpose I/O pin
P0.4 - General-purpose I/O pin
P0.5 - General-purpose I/O pin
P0.6 - General-purpose I/O pin
P0.7 - General-purpose I/O pin
RST - Reset pin
P1.0 - General-purpose I/O pin
P1.1 - General-purpose I/O pin
P1.2 - General-purpose I/O pin
P1.3 - General-purpose I/O pin
P1.4 - General-purpose I/O pin
P1.5 - General-purpose I/O pin
P1.6 - General-purpose I/O pin
P1.7 - General-purpose I/O pin
XTAL1 - Crystal oscillator input
XTAL2 - Crystal oscillator output
EA/VPP - External Access/Programming Enable
ALE/PROG - Address Latch Enable/Program pulse
PSEN - Program Store Enable
P2.0 - General-purpose I/O pin
P2.1 - General-purpose I/O pin
P2.2 - General-purpose I/O pin
P2.3 - General-purpose I/O pin
P2.4 - General-purpose I/O pin
P2.5 - General-purpose I/O pin
P2.6 - General-purpose I/O pin
P2.7 - General-purpose I/O pin
P3.0/RXD - General-purpose I/O pin/Serial Receive Data
P3.1/TXD - General-purpose I/O pin/Serial Transmit Data
P3.2/INT0 - General-purpose I/O pin/External Interrupt 0
P3.3/INT1 - General-purpose I/O pin/External Interrupt 1
P3.4/T0 - General-purpose I/O pin/Timer 0
P3.5/T1 - General-purpose I/O pin/Timer 1
P3.6/WR - General-purpose I/O pin/Write control for external memory
P3.7/RD - General-purpose I/O pin/Read control for external memory
ALE - Address Latch Enable
PSEN - Program Store Enable
P2.7/A15 - General-purpose I/O pin/Address bit 15
P2.6/A14 - General-purpose I/O pin/Address bit 14

Functional Features

The DS89C440-MNL offers the following functional features:

High-speed processing capabilities
On-chip memory for program storage and data handling
Multiple communication interfaces for seamless integration with other devices
Flexible input/output pins for interfacing with external components
Built-in timers and interrupts for precise timing and event-driven operations
Low power consumption modes for energy-efficient operation

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací DS89C440-MNL v technických řešeních

Sure! Here are 10 common questions and answers related to the application of DS89C440-MNL in technical solutions:

Q: What is DS89C440-MNL? A: DS89C440-MNL is a microcontroller from Maxim Integrated, designed for embedded systems applications.
Q: What are the key features of DS89C440-MNL? A: Some key features include a 8051-compatible CPU core, 16KB of flash memory, 256 bytes of RAM, multiple I/O ports, and UART, SPI, and I2C interfaces.
Q: What are the typical applications of DS89C440-MNL? A: DS89C440-MNL is commonly used in industrial automation, motor control, home appliances, and other embedded systems where low power consumption and real-time control are required.
Q: How can I program DS89C440-MNL? A: DS89C440-MNL can be programmed using standard 8051 assembly language or high-level languages like C. You will need a compatible programmer or development board.
Q: Can DS89C440-MNL communicate with other devices? A: Yes, DS89C440-MNL supports various communication protocols such as UART, SPI, and I2C, allowing it to communicate with other devices like sensors, displays, and peripherals.
Q: What is the operating voltage range of DS89C440-MNL? A: DS89C440-MNL operates at a voltage range of 2.7V to 5.5V, making it suitable for both battery-powered and mains-powered applications.
Q: Does DS89C440-MNL have any built-in timers? A: Yes, DS89C440-MNL has multiple built-in timers/counters, which can be used for tasks like generating precise time delays or measuring external events.
Q: Can DS89C440-MNL handle analog signals? A: No, DS89C440-MNL is a digital microcontroller and does not have built-in analog-to-digital converters (ADCs). However, external ADCs can be interfaced with it if analog signal processing is required.
Q: Is DS89C440-MNL suitable for low-power applications? A: Yes, DS89C440-MNL has various power-saving features like idle mode, power-down mode, and wake-up from external interrupts, making it suitable for low-power applications.
Q: Are there any development tools available for DS89C440-MNL? A: Yes, Maxim Integrated provides development tools like evaluation boards, compilers, and software libraries to aid in the development of applications using DS89C440-MNL.