please give me equivalent IC name?

[khushbu06]

hi everyone...
i m using AT89S8252 microcontroller chip for my project
now i don't find that IC in any nearby shop..
can i know which is the equivalent IC of this AT89S8252??
this is the ckt diagram of my project....




want reply soooooooooonnn....
please....!!!

 

[papunblg]

AT89S8252 Features

◦8K bytes of In-System Reprogrammable Downloadable Flash Memory.
◦SPI Serial Interface for Program Downloading.
◦Endurance: 1,000 Write/Erase Cycles · 2K bytes EEPROM
◦Endurance: 100,000 Write/Erase Cycles
◦2.7V to 6V Operating Range
◦Fully Static Operation: 0 Hz to 24 MHz
◦Three-Level Program Memory Lock
◦256 x 8 bit Internal RAM
◦32 Programmable I/O Lines
◦Three 16 bit Timer/Counters
◦Nine Interrupt Sources
◦Programmable UART Serial Channel
◦SPI Serial Interface
◦Low Power Idle and Power Down Modes
◦Interrupt Recovery From Power Down
◦Programmable Watchdog Timer
◦Dual Data Pointer
◦Power Off Flag

Pin Number Description
1 - 8 P1.0 - P1.7 - Port 1
9 RST - Reset
10 - 17 P3.0 - P3.7 - Port 3
18 XTAL2 - Crystal
19 XTAL1 - Crystal
20 GND - Ground
21 - 28 P2.0 - P2.7 - Port 2
29 PSEN - Program Store Enable
30 ALE - Address Latch Enable
31 EA - External Access Enable
32 - 39 P0.7 - P0.1 - Port 0
40 Vcc - Positive Power Supply






Features of 89S52

Compatible with MCS-51 Products
8K Bytes of In-System Reprogrammable Flash Memory
Fully Static Operation: 0 Hz to 33 MHz
Three-level Program Memory Lock
256 x 8-bit Internal RAM
32 Programmable I/O Lines
Three 16-bit Timer/Counters
Eight Interrupt Sources
Programmable Serial Channel
Low-power Idle and Power-down Modes
4.0V to 5.5V Operating Range
Full Duplex UART Serial Channel
Interrupt Recovery from Power-down Mode
Watchdog Timer
Dual Data Pointer
Power-off Flag
Fast Programming Time
Flexible ISP Programming (Byte and Page Mode

Pin Number Description
1 - 8 P1.0 - P1.7 - Port 1
9 RST - Reset
10 - 17 P3.0 - P3.7 - Port 3
18 XTAL2 - Crystal
19 XTAL1 - Crystal
20 GND - Ground
21 - 28 P2.0 - P2.7 - Port 2
29 PSEN - Program Store Enable
30 ALE - Address Latch Enable
31 EA - External Access Enable
32 - 39 P0.7 - P0.1 - Port 0
40 Vcc - Positive Power Supply


Consult the actual data sheet.

 

[Saad_111]

AT89S52 is almost compatible with AT89S8252. check the datasheets

 

[bigdogguru]

i m using AT89S8252 microcontroller chip for my project
now i don't find that IC in any nearby shop..
can i know which is the equivalent IC of this AT89S8252??

After reviewing the schematic, you most likely could substitute the more commonly available AT89S52 for the AT89S8252.

The design in the schematic does not appear to utilize any of the features unique to the AT89S8252.

The only issue maybe whether or not you have the proper device to program the AT89S52, like an AVRisp or clone.

Atmel AT89S52 Datasheet

Does your local shop normally stock Atmel 8051 variants? If not what manufactures of 8051 variants do they normally stock?

There are a wide range of 8051 variants which could adequately fulfill the design's requirements.

BigDog