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Name: AT89S8253-24AU
Brand: Microchip Technology
SKU: AT89S8253-24AU
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

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Microchip Technology AT89S8253-24AU

Part No.:: AT89S8253-24AU

Manufacturer:: Microchip Technology

Package:: 44-TQFP

Datasheet:: AT89S8253-24AU.pdf

Description:: IC MCU 8BIT 12KB FLASH 44TQFP

In Stock:: 2701

Quantity:: Add To Cart

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AT89S8253-24AU Typical application Circuitry Schematics

AT89S8253-24AU

The AT89S8253-24AU, an 8-bit microcontroller from Microchip, has various interfaces, including ISP (In-System Programming), 3-level program memory lock, 2 expanded 16-bit timer/counters (TC2), and a programmable watchdog timer. Here's a general overview of an AT89S8253-24AU application circuit:

1. Power Supply: Connect VCC to a 4.0-5.5V power supply and connect GND to the system ground. Put a decoupling capacitor (often 100nF) between VCC and GND as closely as you can.

2. Reset Circuit: Connect a push-button switch to the RST pin for manual reset. Connect the RST pin on one end, and ground on the other. It's also good practice to add a pull-up resistor (10k ohm typical) between RST and VCC.

3. Clock Circuit: Interconnect XTAL1 and XTAL2 with an external crystal oscillator. To stop the oscillation, connect two capacitors (typically 22pF) from each of these pins to ground.

4. I/O Ports: The AT89S8253-24AU has three 8-bit I/O ports (Port 0, Port 2, and Port 3). Depending on your application, these can be interfaced with LEDs, switches, other ICs, etc.

5. ISP (In-System Programming): For programming the flash memory, connect the MOSI, MISO, SCK, and RESET pins of your programmer to the corresponding pins on the AT89S8253-24AU.

6. UART Interface: For serial communication, connect your device (like a computer or a GPS module) to the TxD and RxD pins on Port 3.

7. External Memory Interface: If your application requires more memory, connect the address/data bus pins (Port 0 and Port 2) and control pins (RD, WR, ALE, PSEN) to your external memory.

This is a basic application circuit and might need modifications based on the specific needs of your project. For a comprehensive understanding, refer to the AT89S8253-24AU datasheet and user manual. They will provide more detailed information including accurate component values and comprehensive design guidelines.

AT89S8253-24AU information

AT89S8253-24AU Specifications

Package/Case:
44-TQFP
Packaging:
Tray
Series:
89S
ProductStatus:
RoHS
CoreProcessor:
24MHz
CoreSize:
256 x 8
Speed:
8-Bit
Connectivity:
2K x 8
Peripherals:
Active
NumberofI/O:
POR, WDT
ProgramMemorySize:
SPI, UART/USART
ProgramMemoryType:
Surface Mount
EEPROMSize:
32
RAMSize:
8051
Voltage-Supply(Vcc/Vdd):
-
DataConverters:
External
OscillatorType:
12KB (12K x 8)
OperatingTemperature:
FLASH
MountingType:
-40°C ~ 85°C (TA)

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6. What is the process for return or replacement of AT89S8253-24AU?

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(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of AT89S8253-24AU.

(3)The PartNo is unused and only in the original unpacked packaging.

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