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Description: 1. Microcontroller Unit: Atmel 89S52 is a 8-bit RISC (Reduced Instruction Set Computer) microcontroller from the AVR (Atmel Vintage Risc) family, providing efficient and versatile processing for IoT applications. 2. Clock Frequencies: The device operates with an external oscillator clock up to 20MHz, allowing fast data processing for real-time IoT tasks. 3. Memory: It features 8KB of internal SRAM and 32KB of flash memory for program storage, making it suitable for storing complex algorithms and larger programs. 4. Input/Output Pins: The Atmel 89S52 boasts a total of 16 I/O pins with 7 digital inputs, 4 digital outputs, 3 analog inputs, and 1 analog output, providing extensive connectivity for a wide range of IoT components. 5. Serial Communication: The microcontroller supports full-duplex USART communication at baud rates up to 2Mbps, allowing it to exchange data efficiently with other devices such as PCs or other microcontrollers. 6. Timers and Counters: With 3 independent time
| Specification | Details |
|---|---|
| Microcontroller | Atmel AVR 8-bit RISC |
| Core Clock Speed | 24 MHz (12 MHz internal 6 MHz external) |
| Program Memory | 16 KB Flash ROM |
| Data Memory | 384 bytes RAM |
| I/O Lines | 32 |
| Timers/Counters | 4 timers 2 x 8-bit 1 x 16-bit |
| Communication | UART (UART0) SPI and I2C bus support |
| Interrupts | 11 interrupt sources |
| Power Supply | +5V -10% to +15% tolerance |
| Package | PDIP40 (40-pin DIP) |
| Operating Modes | Single Clock Cycle Mode Idle Mode |
| Low Power Modes | Power-down idle |
