Manufacturer Part #: AT89S52-24AU
Manufacturer: Atmel
Description:  8-bit Microcontrollers - MCU 8kB Flash 256B RAM 33MHz 4.0V-5.5V

Core: 8051 
Processor Series: AT89x 
Data Bus Width: 8 bit 
Maximum Clock Frequency: 33 MHz 
Program Memory Size: 8 KB 
Data RAM Size: 256 B 
On-Chip ADC: No 
Operating Supply Voltage: 4 V to 5.5 V 
Package / Case: TQFP 
Mounting Style: SMD/SMT 
Interface Type: UART 
Maximum Operating Temperature: + 85 C 
Minimum Operating Temperature: - 40 C 
Number of Programmable I/Os: 32 
Number of Timers: 3 
Program Memory Type: Flash 
Factory Pack Quantity: 160 
Supply Voltage - Max: 5.5 V 
Supply Voltage - Min: 4 V

Payment

We accept escrow, bank transfer
Please submit payment within 3 days when you won items.
If you have any problem about payment, please feel free to contact with us.
 

Shipping & Handling 

We will arrange your order within 48 hours when payment cleared.
We normally ship your parcel by China Post Airmail, DHL, Fedex, EMS

Return & Policy

We welcome any previous questions about the product and our service.
Any parcel will be returned within 7 days from the days you got it without any reason with original parcel unopened and destroied. 
All fees caused by returned parcel will be responsible by buyer.
We are not responsible for any custom/duty fees caused by the purchase, please feel free to contact with your local custom for the fees befor buy it.
 

Warranty

If no special state, all products with 30 days warranty.
 

Feedback

Customer's satisfy always comes first.
Thanks million for any positive feedback