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AT89C51RD2-SLSUM
+БОМIC MCU 8BIT 64KB FLASH 44PLCC
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ПроизводительТехнология микрочипов
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Мфр. Часть #AT89C51RD2-SLSUM
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Лист данных AT89C51RD2-SLSUM DataSheet
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Пакет 44-LCC(J-Lead)
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В наличии4264
365 Дни гарантии качества
7*24 часы обслуживания каранти
90-гарантия послепродажного дня
Гарантия подлинного продукта
Спецификации
| Атрибут | Ценность |
| Package | Tube |
| Series | 89C |
| ProductStatus | Active |
| CoreProcessor | 80C51 |
| CoreSize | 8-Bit |
| Speed | 60MHz |
| Connectivity | SPI, UART/USART |
| Peripherals | POR, PWM, WDT |
| NumberofI/O | 34 |
| ProgramMemorySize | 64KB (64K x 8) |
| ProgramMemoryType | FLASH |
| RAMSize | 2K x 8 |
| Voltage-Supply(Vcc/Vdd) | 2.7V ~ 5.5V |
| OscillatorType | External |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 44-LCC (J-Lead) |
Обзор
Description
Key highlights:
- High-speed performance (up to 60MHz).
- Dual data pointers for efficient memory access.
- Hardware watchdog timer and power-saving modes (Idle & Power-down).
- UART, SPI, and enhanced PWM for communication and control.
Ideal for embedded systems, industrial automation, and consumer electronics, it offers robust functionality with low power consumption. The -SLSUM suffix indicates industrial-grade temperature range (-40°C to +85°C).
For detailed specs, refer to the datasheet.
Equivalent
1. AT89C51ED2-SLSUM (similar specs, more flash)
2. AT89S51 (lower flash, ISP support)
3. P89V51RD2 (NXP equivalent)
4. STC89C52 (Chinese alternative, compatible)
5. DS89C450 (Maxim, high-speed variant)
Check pinout, voltage, and peripherals for exact compatibility. Many modern 8051 MCUs (e.g., Silicon Labs, Nuvoton) also offer drop-in replacements.
Features
- 8-bit 8051 Core: Runs at up to 60 MHz (20 MHz max with X2 mode disabled).
- 64KB Flash Memory: In-system programmable (ISP) with bootloader support.
- 1792B RAM: Includes 256B internal RAM and 1536B XRAM.
- Hardware Watchdog Timer: Improves system reliability.
- Dual Data Pointer (DPTR): Enhances data handling efficiency.
- SPI & UART Interfaces: Supports serial communication.
- Three 16-bit Timers/Counters: Includes Timer 0, 1, and 2.
- Programmable Clock Out: For external timing needs.
- Low Power Modes: Idle and Power-down modes for energy efficiency.
- Operating Voltage: 4.0V–5.5V.
- Industrial Temp Range: -40°C to +85°C.
Ideal for embedded applications requiring high performance and reliability.
Pinout
- Ports (P0-P3): 32 I/O pins (4 × 8-bit ports) for general-purpose use.
- VCC (Pin 40) & GND (Pin 20): Power supply (+5V) and ground.
- XTAL1 & XTAL2 (Pins 19 & 18): External crystal oscillator connections.
- RST (Pin 9): Active-high reset input.
- EA (Pin 31): External Access Enable (tied high for internal ROM).
- ALE/PROG (Pin 30): Address Latch Enable or programming pulse input.
- PSEN (Pin 29): Program Store Enable for external ROM.
It features 64KB Flash ROM, 2KB EEPROM, and 1KB RAM, with support for UART, timers, and interrupts.
Application
- Industrial Control: Automation, sensor interfacing, and motor control.
- Consumer Electronics: Appliances, remote controls, and smart devices.
- Automotive Systems: Dashboard controls and basic ECU functions.
- Embedded Systems: Data logging, security systems, and small-scale IoT.
- Medical Devices: Basic monitoring equipment and diagnostic tools.
Its 64KB Flash memory, 2KB EEPROM, and UART/SPI/I²C support make it versatile for low-to-mid complexity applications.
