AT89C51RD2-RLTIM
8-bit MCU AT89C51RD2-RLTIM
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製造商零件號 # : AT89C51RD2-RLTIM
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包裝/封裝: VQFP-44
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零件狀態 : Discontinued
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製造商: Microchip Technology
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產品分類 : Microcontrollers
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AT89C51RD2-RLTIM 數據表
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目前的價格方案正在編制中。請聯絡我們的客戶服務團隊獲取最新的價格資訊。感謝您的理解和支援!
詳細說明
One standout feature of the AT89C51RD2-RLTIM is its 8-channel 10-bit ADC, which provides enhanced analog functionality for precise sensor readings and data acquisition. This, paired with 32 I/O lines for seamless interfacing, ensures that this microcontroller is equipped to handle complex tasks with ease
主要特徵
- 80C52 Compatible
- – 8051 Instruction Compatible
- – Six 8-bit I/O Ports (64 Pins or 68 Pins Versions)
- – Four 8-bit I/O Ports (44 Pins Version)
- – Three 16-bit Timer/Counters
- – 256 Bytes Scratch Pad RAM
- – 9 Interrupt Sources with 4 Priority Levels
- Integrated Power Monitor (POR/PFD) to Supervise Internal Power Supply
- ISP (In-System Programming) Using Standard VCC Power Supply
- 2048 Bytes Boot ROM Contains Low Level Flash Programming Routines and a Default Serial Loader
- High-speed Architecture
- – In Standard Mode:
- 40 MHz (Vcc 2.7V to 5.5V, both Internal and external code execution)
- 60 MHz (Vcc 4.5V to 5.5V and Internal Code execution only)
- – In X2 mode (6 Clocks/machine cycle)
- 20 MHz (Vcc 2.7V to 5.5V, both Internal and external code execution)
- 30 MHz (Vcc 4.5V to 5.5V and Internal Code execution only)
- 64K Bytes On-chip Flash Program/Data Memory
- – Byte and Page (128 Bytes) Erase and Write
- – 100k Write Cycles
- On-chip 1792 bytes Expanded RAM (XRAM)
- – Software Selectable Size (0, 256, 512, 768, 1024, 1792 Bytes)
- – 768 Bytes Selected at Reset for T89C51RD2 Compatibility
- On-chip 2048 Bytes EEPROM Block for Data Storage (AT89C51ED2 Only)
- 100K Write Cycles
- Dual Data Pointer
- Variable Length MOVX for Slow RAM/Peripherals
- Improved X2 Mode with Independent Selection for CPUand Each Peripheral
- Keyboard Interrupt Interface on Port 1
- SPI Interface (Master/Slave Mode)
- 8-bit Clock Prescaler
- 16-bit Programmable Counter Array
- – High Speed Output
- – Compare/Capture
- – Pulse Width Modulator
- – Watchdog Timer Capabilities
- Asynchronous Port Reset
- Full-duplex Enhanced UART with Dedicated Internal Baud Rate Generator
- Low EMI (Inhibit ALE)
- Hardware Watchdog Timer (One-time Enabled with Reset-Out), Power-off Flag
- Power Control Modes: Idle Mode, Power-down Mode
- Single Range Power Supply: 2.7V to 5.5V
- Industrial Temperature Range (-40 to +85°C)
- Packages: PLCC44, VQFP44, PLCC68, VQFP64
規格
以下是所選零件的基本參數,涉及零件的特性及其所屬類別。
Product Category ! | 8-bit Microcontrollers - MCU | Series | 89C |
Mounting Style | SMD/SMT | Package / Case | VQFP-44 |
Core | 8051 | Program Memory Size | 64 kB |
Data Bus Width | 8 bit | ADC Resolution | No ADC |
Maximum Clock Frequency | 60 MHz | Number of I/Os | 32 I/O |
Data RAM Size | 2 kB | Supply Voltage - Min | 2.7 V |
Supply Voltage - Max | 5.5 V | Minimum Operating Temperature | - 40 C |
Maximum Operating Temperature ! | + 85 C | Brand | Microchip Technology / Atmel |
Height | 1.45 mm | Interface Type | SPI, UART |
Length | 10.1 mm | Number of Timers/Counters | 3 Timer |
Product Type ! | 8-bit Microcontrollers - MCU | Program Memory Type ! | Flash |
Subcategory | Microcontrollers - MCU | Width | 10.1 mm |
Specification Comparison
數據表 PDF
數據表記錄了器件的特性、絕對最大額定值、應用等,這對於作為器件特定應用的整體指南大有裨益。
常見問題解答
What is AT89C51RD2-RLTIM?
The AT89C51RD2-RLTIM is a high-performance 8-bit microcontroller from Microchip. It is part of the 8051 family of microcontrollers and is designed for embedded applications requiring a compact, low-power solution with versatile I/O capabilities.
How Does AT89C51RD2-RLTIM Work?
The AT89C51RD2-RLTIM works as a versatile microcontroller, capable of processing and controlling various I/O devices in embedded systems. It features a robust set of peripherals including timers/counters, UART, SPI, and I2C interfaces, making it suitable for a wide range of applications.
How Many Pins does AT89C51RD2-RLTIM have and What are the Functions of the Pinout Configuration?
The AT89C51RD2-RLTIM is available in various package options, with the standard 40-pin DIP (Dual Inline Package) configuration. The pinout configuration includes:
- VCC: Power supply pin.
- GND: Ground pin.
- Port 0-Port 3: General-purpose I/O port pins.
- T0, T1: External timer/counter input pins.
- RXD, TXD: Serial communication interface pins.
- SCK, MOSI, MISO: Serial Peripheral Interface (SPI) pins.
- SCL, SDA: Inter-Integrated Circuit (I2C) interface pins.
- EA/VPP: External Access enable/Voltage programming pin.
- XTAL1, XTAL2: Crystal input and output pins for the oscillator circuit.
What are the Pros and Cons of AT89C51RD2-RLTIM?
Pros:
- Versatile I/O Capabilities: Equipped with a wide range of peripherals for diverse applications.
- Low Power Consumption: Ideal for battery-powered or energy-efficient designs.
- Robust Ecosystem: Well-established development tools and ample documentation available.
- Cost-Effective: Offers a cost-effective solution for embedded control applications.
Cons:
- 8-Bit Processing: Limited processing power compared to 16-bit or 32-bit microcontrollers.
- Obsolete Architecture: The 8051 architecture may be considered outdated for some modern applications.
- Limited Memory: Limited RAM and ROM size compared to newer microcontroller options.
Are There Any Equivalents/Alternatives to AT89C51RD2-RLTIM for Recommendation?
- The ATmega328P from Microchip offers a comparable 8-bit microcontroller solution with a different architecture.
- Alternatives to the AT89C51RD2-RLTIM include the PIC16F877A from Microchip and the STM8S103F3P6 from STMicroelectronics.
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