Atmel AT89C51RE2. The Atmel Data Sheet 2,, bytes. Errata Sheet 68, bytes. Instruction Set Manual for the Atmel AT89C51RE2 Instruction Set. AT89C51RE2 High performance 8-bit microcontroller with Kbytes Flash Features. Instruction Compatible Six 8-bit I/O Ports (64 pins or 68 Pins. AT89C51RE2-SLSUM MCU 8BIT FLASH V PLCC Atmel datasheet pdf data sheet FREE from Datasheet (data sheet) search for.

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To start the timer, set TR2 run control bit in T2CON register possible to use Timer baud rate generator and a clock generator simultaneously.

AT89C51RE2-SLSEM Datasheet

The keyboard interface interfaces with the C51 core through 3 special function registers: This site uses cookies to store information on your computer. No license, express or implied, by estoppel or otherwise, to any intellectual property right is granted by this document or in connection with the sale of Atmel products.


Security is set Starting application The application can only be started by a Watchdog reset. Set by user for general purpose usage.

Sorry Andy you are correct I just read it at8c951re2 the end of SFRs and didn’t notice the next page – the information is given bit addressable way however they are not bit addresssable. The Reset input can be used to force a reset pulse longer than the internal reset controlled by the Power Monitor.


Instructions shared Action Read Write Note: Exiting Power-Down Mode Note: Tamir Michael Pratik, How can we review something we cannot see?

AT89C51RE2 Datasheet PDF

Physical memory organisation Fuse Configuration Byte 1 byte Various communication configuration can be designed using this bus. Set to select DPTR1. Set to enable the general call address recognition.

These bits are active only in X2 mode. SPIX2 Clear to select 6 dataheet periods per peripheral clock cycle. Timer 0 overflow interrupt Enable bit ET0 Cleared to disable timer 0 overflow interrupt.

Timer 1 is restricted when Timer mode 3.

AT89C51RE2 Development Board – Tips

To prevent bus datasheeet on the MISO line, only one slave should be selected at a time by the Master for a transmission. Sorry I didn’t post it because first I wanted to ask whether somebody will do it Anyway thanks a lot for support here i’m posting my header file please go through it and if its useful please upload it so anybody else can use Thank you again.

Then why is it given in the datasheet that way I’ve AT89c51re2 datasheet where above locations are shown as bit addressable or I mustn’t have read it well I’ll read it again – more carefully but I’m sure that these location are given as the way bit addressable locations are given. Timer 2 operation is similar to Timer 0 and Timer 1.

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Alternate function of Port 3 3: IDL Set to activate the Idle mode. The other signals are typically 85 ns. To calculate each AC symbols.

Lukan Posted 1-Apr This flag is set every time an overflow occurs. In the slave transmitter mode, a number of data bytes are transmitted to a master receiver Figure This is achieved by applying an internal reset to them.

Timer 1 external input O WR P3. Keyboard The AT89C51RE2 implements a keyboard interface allowing the connection matrix keyboard based on 8 inputs with programmable interrupt capability on both Interface high or low level.

Setting TR2 allows TL2 to increment by the selected input If both bits are set both edges will be enabled and a capture will occur catasheet either transition.

Header file for AT89C51RE2

These flags also at9c51re2 only be cleared by software. However, special care should be taken when writing to them while a transmis- sion is on-going: This is the way to verify a header file. Do not set this bit. The information in this document is provided in connection with Atmel products.

No answer is returned by the bootloader.