HomedatasheetAT89C51ID2-RLTUM

AT89C51ID2-RLTUM Datasheet

Microcontrollers - MCU
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Description

The AT89C51ID2-RLTUM retains all features of the Atmel 80C52 with 256 bytes of internal RAM, a 10-source 4-level interrupt controller and three timer/counters. In addition, the AT89C51ID2-RLTUM has a Programmable Counter Array, an XRAM of 1792 bytes, a Hardware Watchdog Timer, SPI and Keyboard, a more versatile serial channel that facilitates multiprocessor communication (EUART) and a speed improvement mechanism (X2 mode). The fully static design of the AT89C51ID2-RLTUM allows to reduce system power consumption by bringing the clock frequency down to any value, even DC, without loss of data. The AT89C51ID2-RLTUM has 2 software-selectable modes of reduced activity and 8-bit clock prescaler for further reduction in power consumption. In the Idle mode the CPU is frozen while the peripherals and the interrupt system are still operating. In the power-down mode the RAM is saved and all other functions are inoperative. The added features of the AT89C51ID2-RLTUM make it more powerful for applications that need pulse width modulation, high speed I/O and counting capabilities such as alarms, motor control, corded phones, smart card readers. AT89C51ID2-RLTUM 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– 10 Interrupt Sources With 4 Priority Levels• ISP (In-System Programming) Using Standard VCC Power Supply• Integrated Power Monitor (POR/PFD) to Supervise Internal Power Supply• Boot ROM Contains Low Level Flash Programming Routines and a Default Serial Loader• High-speed Architecture• 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– 100k Write Cycles• Dual Data Pointer• 32 KHz Crystal Oscillator• Variable Length MOVX for Slow RAM/Peripherals• Improved X2 Mode with Independant Selection for CPU and Each Peripheral• Keyboard Interrupt Interface on Port 1• SPI Interface (Master/Slave Mode)• 8-bit Clock Prescaler• Two Wire Interface 400K bit/s• Programmable Counter Array with:– 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
Features

Parameters

[{"Name":"Maximum Clock Frequency:","Value":"60 MHz"},{"Name":"Operating Supply Voltage:","Value":"2.7 V to 5.5 V"},{"Name":"Maximum Operating Temperature:","Value":"+ 85 C"},{"Name":" Minimum Operating Temperature:","Value":"- 40 C"},{"Name":"Number of Programmable I/Os:","Value":"34"},{"Name":"Number of Timers:","Value":"3"},{"Name":"Program Memory Size:","Value":"64 KB"},{"Name":" Data RAM Size:","Value":"2 KB"},{"Name":"","Value":""},{"Name":"","Value":""}]

Manufacturer information

GESS [GE SOLID STATE]
Warm Hint

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