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IC MCU 8BIT 24KB FLASH 44PLCC
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HerstellerMikrochip-Technologie
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Herstellerteil #AT89LP51RB2-20JU
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Datenblatt AT89LP51RB2-20JU DataSheet
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Paket PLCC-44
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Auf Lager4249
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Spezifikationen
| Attribut | Wert |
| Package / Case | Tube |
| Series | 89LP |
| Part Status | Active |
| Core Processor | 8051 |
| Core Size | 8-Bit |
| Speed | 20MHz |
| Connectivity | EBI/EMI, I²C, SPI, UART/USART |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT |
| Number of I/O | 40 |
| Program Memory Size | 24KB (24K x 8) |
| Program Memory Type | FLASH |
| RAM Size | 1.375K x 8 |
| Voltage - Supply (Vcc/Vdd) | 2.4V ~ 5.5V |
| Data Converters | A/D 7x10b |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
Übersicht
Description
This microcontroller supports a wide operating voltage range from 2.4V to 5.5V, making it versatile for various applications. It is equipped with numerous I/O ports, timers, a programmable counter array, and an enhanced UART for serial communication, which broadens its applicability in communication interfaces.
The AT89LP51RB2-20JU also incorporates several power-saving modes, allowing it to conserve energy in battery-powered devices. Its compact 28-pin SOIC package makes it suitable for space-constrained designs. Overall, this microcontroller offers a reliable solution for projects needing a balance between performance and power efficiency.
Equivalent
Features
1. CPU: 8-bit 8051-compatible microcontroller.
2. Speed: Operates up to 20 MHz.
3. Memory:
- 16 KB of Flash memory for code storage.
- 512 bytes of RAM for data handling.
- 2 KB of EEPROM for non-volatile data storage.
4. I/O Ports:
- 32 programmable I/O lines.
5. Communication Interfaces:
- Two USARTs for serial communication.
- SPI interface for synchronous data transfer.
- TWI (I2C-compatible) interface.
6. Timers:
- Three 16-bit timers/counters for timing operations.
7. Analog Features:
- 8-channel, 10-bit ADC for analog-to-digital conversion.
8. Power:
- Low power idle and power-down modes for energy efficiency.
9. Additional Features:
- Enhanced Watchdog Timer for system reliability.
- On-chip Debugging support.
- In-System Programming (ISP) capability for easy firmware updates.
This microcontroller is suitable for embedded applications requiring moderate processing power and various interfacing options.
Pinout
Key functions and features include:
- An 8051-compatible CPU core.
- Up to 64 KB of in-system programmable Flash memory.
- 2 KB of internal RAM.
- Enhanced UART for serial communication.
- SPI and I²C interfaces for peripheral connectivity.
- Multiple I/O ports for general-purpose use.
- Two 16-bit timers/counters.
- A programmable watchdog timer for system reliability.
- Up to 32 programmable I/O lines, depending on the specific configuration.
- Interrupt capabilities for handling asynchronous events.
- On-chip power-on reset and programmable brown-out detection.
This microcontroller is suitable for various applications requiring efficient processing and communication capabilities within embedded systems.
Manufacturer
Application
1. Consumer Electronics: Used in devices like remote controls and home appliances for efficient control.
2. Automotive Systems: Suitable for use in dashboard instrumentation and control systems.
3. Industrial Automation: Employed for process control, data collection, and machine operation.
4. Medical Devices: Used in portable medical instruments for monitoring and diagnostics.
5. Communication Systems: Facilitates control in network devices and modems.
6. IoT Devices: Integrates into smart sensors and home automation systems.
7. Education and Prototyping: Ideal for learning environments and initial product development.