The AT89C52 is another popular 8-bit microcontroller from Microchip Technology, belonging to the same MCS-51 family as the AT89C2051 and AT89C4051. Here's a breakdown of its key features:
Memory:
8 KB Flash Memory: This provides ample space to store your program code compared to the AT89C2051.
256 Bytes Internal RAM: This offers temporary data storage during program execution.
Processing Power:
8-bit CPU: It can handle 8 bits of data at a time.
Fully Static Operation: It functions across a wide range of clock frequencies (0 Hz to 24 MHz).
On-Chip Peripherals:
32 Programmable I/O Lines: These allow communication with external devices like sensors and actuators.
Three 16-bit Timers/Counters: Useful for timing and counting events.
Programmable Serial Channel: Enables serial communication with other devices.
Power-Saving Modes: Idle and Power-down modes help conserve energy.
Other Features:
Three-Level Program Memory Lock: Offers various levels of security for your program.
CMOS Technology: Ensures efficient power consumption.
The AT89C52 offers a good balance of features and memory capacity, making it suitable for various embedded system applications. Here's a comparison with the previously discussed microcontrollers:
Feature
AT89C2051
AT89C4051
AT89C52
Flash Memory
2 KB
4 KB
8 KB
RAM
128 bytes
128 bytes
256 bytes
I/O Lines
20
15
32
Timers/Counters
1 (8-bit)
2 (16-bit)
3 (16-bit)
Here are some resources you might find helpful:
Microchip Technology product page (might be outdated as the AT89C52 is an older model): https://ww1.microchip.com/downloads/en/DeviceDoc/doc0313.pdf
Datasheet: You can find the datasheet from various sources by searching online using the keywords "AT89C52 datasheet".
Development Board Information: You can search for "AT89C52 development board" to find boards that allow you to experiment with this microcontroller.
If you're looking for a versatile and readily available microcontroller for embedded system projects, the AT89C52 is a solid choice, especially if your project requires more program memory than the AT89C2051.