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AT89C51RD2-SLSUM +BOM

8-bit Microcontrollers - MCU 64kB Flash 2048B RAM 2.7V-5.5V

Manufacturer:

Microchip
Mfr.Part #:

AT89C51RD2-SLSUM
Datasheet:

AT89C51RD2-SLSUM Datasheet (PDF)
Core:

8051
Program Memory Size:

64 kB
Data RAM Size:

1.75 kB
Maximum Clock Frequency:

60 MHz
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AT89C51RD2-SLSUM General Description

The AT89C51RD2-SLSUM is a versatile microcontroller that offers high performance and flexibility for a variety of applications. With its powerful 40 MHz CPU and 64KB of Flash memory, this device is capable of handling complex tasks efficiently. The inclusion of 2KB of RAM and 256 bytes of on-chip data memory further enhances its capabilities, allowing for seamless data processing

Key Features

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

Specifications

Product Category	8-bit Microcontrollers - MCU	Core	8051
Program Memory Size	64 kB	Data RAM Size	1.75 kB
Maximum Clock Frequency	60 MHz	ADC Resolution	No ADC
Number of I/Os	32 I/O	Supply Voltage - Min	2.7 V
Supply Voltage - Max	5.5 V	Mounting Style	SMD/SMT
Data Bus Width	8 bit	Minimum Operating Temperature	- 40 C
Maximum Operating Temperature	+ 85 C	Series	89C
Height	3.48 mm	Interface Type	SPI, UART
Length	16.7 mm	Moisture Sensitive	Yes
Number of Timers/Counters	3 Timer	Processor Series	AT89x
Product	MCUs	Product Type	8-bit Microcontrollers - MCU
Program Memory Type	Flash	Factory Pack Quantity	27
Subcategory	Microcontrollers - MCU	Width	16.7 mm
Unit Weight	0.084185 oz