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See Technical Specifications

AT89C51ED2-3CSIM +BOM

AT89C51ED2-3CSIM is a 8-bit microcontroller with 64KB of flash memory in a 40-pin dual in-line package

Manufacturer:

MICROCHIP
Mfr.Part #:

AT89C51ED2-3CSIM
Datasheet:

AT89C51ED2-3CSIM Datasheet (PDF)
Programmabe:

Not Verified
Core Processor:

80C51
Core Size:

8-Bit
Speed:

60MHz

AT89C51ED2-3CSIM General Description

The AT89C51ED2-3CSIM is built for durability, with a wide operating temperature range of -40°C to 85°C, making it suitable for use in industrial and automotive environments where temperature variations are common. Its 44-pin SIMM form factor ensures easy integration into different device designs, while its robust packaging provides protection against external elements

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

Programmabe	Not Verified	Core Processor	80C51
Core Size	8-Bit	Speed	60MHz
Connectivity	SPI, UART/USART	Peripherals	POR, PWM, WDT
Number of I/O	34	Program Memory Size	64KB (64K x 8)
Program Memory Type	FLASH	EEPROM Size	2K x 8
RAM Size	2K x 8	Voltage - Supply (Vcc/Vdd)	2.7V ~ 5.5V
Data Converters	-	Oscillator Type	External
Operating Temperature	-40°C ~ 85°C (TA)	Mounting Type	Through Hole