이미지는 참조용입니다.
AT89C2051-24PI
+BOMIC MCU 8BIT 2KB FLASH 20DIP
-
제조업체마이크로칩 기술
-
제조업체 부품 #AT89C2051-24PI
-
데이터시트 AT89C2051-24PI DataSheet
-
재고7046
365 1일 품질 보증
7*24 영업 시간 서비스 보증
90-판매 후 1일 보증
정품 보증
사양
| 속성 | 가치 |
| Series | 89C |
| Part Status | Obsolete |
| Base Product Number | AT89C2051 |
| Digi Key Programmable | Not Verified |
| Core Processor | 8051 |
| Core Size | 8-Bit |
| Speed | 24MHz |
| Connectivity | UART/USART |
| Peripherals | LED |
| Number of I/O | 15 |
| Program Memory Size | 2KB (2K x 8) |
| Program Memory Type | FLASH |
| RAM Size | 128 x 8 |
| Voltage - Supply (Vcc/Vdd) | 4V ~ 6V |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Through Hole |
| Supplier Device Package | 20-PDIP |
| Package / Case | 20-DIP (0.300", 7.62mm) |
| Packaging | Tube |
개요
Description
Key features of the AT89C2051 include 2 KB of Flash memory for program storage, 128 bytes of RAM, and 15 programmable I/O lines, which cater to a variety of interfacing needs. It also includes a programmable serial USART, two 16-bit timer/counters, a six-vector interrupt architecture, and an on-chip oscillator.
The AT89C2051 is popular for its simple architecture and ease of programming, making it a go-to choice for hobbyists and educational purposes. Its small package and low power consumption make it ideal for compact and energy-efficient designs. However, its limited memory and I/O capabilities may not be suitable for more complex applications, where larger and more advanced microcontrollers might be required.
Equivalent
1. AT89C2051-24PU - Similar packaging and specifications.
2. AT89S2051-24PU - Flash memory variant with similar features.
3. AT89LP2052 - Low-power variant with extended features.
4. PIC12F629 - Alternative from Microchip with similar I/O capabilities.
5. STM8S003F3 - From STMicroelectronics, offering similar functionality.
Make sure to check pin compatibility and specific feature requirements when selecting alternatives.
Features
1. CPU: It uses the 8051 CPU architecture with an 8-bit processing unit.
2. Memory: The device includes 2KB of Flash memory for program storage and 128 bytes of RAM.
3. I/O Ports: There are 15 programmable I/O lines, organized into two 8-bit ports.
4. Clock Speed: The microcontroller operates at a maximum frequency of 24 MHz.
5. Package: Offered in a 20-pin PDIP package.
6. Timers: It includes two 16-bit timer/counters for various timing operations.
7. Serial Communication: Features a full-duplex UART for serial interface.
8. Power: Supports low power features with Idle and Power-down modes.
9. Interrupts: Offers five interrupt sources for versatile control.
10. Programming: Supports in-system and in-application programming.
This microcontroller is designed for cost-effective and efficient control applications, providing a compact solution with essential peripherals for embedded systems.
Pinout
- 2 Ports: Port 1 and Port 3, which are multifunctional.
- Port 1: It occupies pins 1 to 8, which can be used for general-purpose input/output.
- Port 3: Pins 10 to 17, also used for I/O, but include functions such as serial communication (UART), interrupts (INT0, INT1), timers (T0, T1), and external memory control.
- Power and Ground: Pin 20 is VCC (power supply), and pin 10 is GND (ground).
- Reset: Pin 9 is used to reset the microcontroller.
- Oscillator: Pins 4 and 5 (XTAL1, XTAL2) are used for connecting an external clock oscillator, which is necessary for the microcontroller's operation.
The AT89C2051 is widely used in embedded applications due to its compact design and the flexibility offered by its I/O ports.
Manufacturer
Application
1. Embedded Systems: Used in home automation and smart appliances.
2. Consumer Electronics: Suitable for remote controls and small gadgets.
3. Industrial Automation: Controls and monitors machinery and equipment.
4. Automotive: Applied in dashboard controls and small sensor systems.
5. Communication Devices: Utilized in simple data communication devices.
6. Education: Ideal for learning and developing microcontroller projects.
7. Portable Devices: Used in battery-operated devices due to low power consumption.
Its compact size and versatility make it suitable for a variety of applications requiring efficient and reliable control.
Package
Frequently Asked Questions
Q: What is the maximum clock speed the AT89C2051-24PI supports?
A: It supports a maximum operating speed of 24MHz, making it suitable for moderate-speed control and communication tasks.
Q: How much program and data memory does this microcontroller have?
A: It features 2KB of on-chip Flash program memory and 128 x 8 bytes of RAM for data storage.
Q: Is the AT89C2051-24PI compatible with 5V logic systems?
A: Yes, its supply voltage range of 4V to 6V makes it directly compatible with standard 5V digital systems.
Q: What communication interface is available on this device?
A: It integrates a UART/USART for serial communication, enabling easy connection to other peripherals or modules.
Q: Can this IC drive an LED directly without external transistors?
A: Yes, it includes a dedicated LED peripheral, allowing direct LED driving to simplify circuit design.
Q: What is the operating temperature range for industrial use?
A: It operates from -40°C to 85°C, ensuring reliable performance in harsh industrial environments.
Q: Does this part have a programmable watchdog timer?
A: Based on the specifications, only an LED peripheral is listed; no watchdog timer parameter is provided.
