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IC89C52A-40PL from DSI

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IC89C52A-40PL

Manufacturer: DSI, ICS

CMOS SINGLE CHIP 8-BIT MICROCONTROLLER with 8(4)-Kbytes of FLASH

Partnumber Manufacturer Quantity Availability
IC89C52A-40PL,IC89C52A40PL DSI, ICS 434 In Stock

Description and Introduction

CMOS SINGLE CHIP 8-BIT MICROCONTROLLER with 8(4)-Kbytes of FLASH The IC89C52A-40PL is a microcontroller manufactured by DSI (Data Storage Institute or another entity, depending on context). Below are the factual specifications, descriptions, and features based on available knowledge:

### **Specifications:**
1. **Microcontroller Core:** 8-bit, based on the 8051 architecture.  
2. **Clock Speed:** 40 MHz (indicated by "-40" in the part number).  
3. **Program Memory (ROM):** 8 KB Flash (reprogrammable).  
4. **RAM:** 256 bytes (internal).  
5. **I/O Pins:** 32 (four 8-bit ports).  
6. **Timers/Counters:** Three 16-bit timers (Timer 0, Timer 1, and Timer 2).  
7. **Serial Communication:** UART (full-duplex).  
8. **Interrupt Sources:** Six interrupt sources with two priority levels.  
9. **Operating Voltage:** Typically 5V (standard for 8051 variants).  
10. **Package:** 40-pin DIP (Dual In-line Package, as indicated by "PL").  

### **Descriptions:**
- The IC89C52A-40PL is a variant of the 8051 microcontroller family, optimized for embedded control applications.  
- It features in-system programmable Flash memory, allowing firmware updates without removing the chip.  
- Suitable for industrial control, automation, and consumer electronics due to its reliability and 8051 compatibility.  

### **Features:**
1. **High-Speed Operation:** 40 MHz clock speed enables fast processing.  
2. **In-System Programming (ISP):** Flash memory can be reprogrammed via serial interface.  
3. **Power Saving Modes:** Includes idle and power-down modes for energy efficiency.  
4. **Enhanced 8051 Architecture:** Retains backward compatibility while improving performance.  
5. **Wide Operating Temperature Range:** Typically -40°C to +85°C (industrial-grade).  
6. **On-Chip Oscillator:** Supports external crystal or ceramic resonator.  

Note: If "DSI" refers to a specific manufacturer, further details may vary. Cross-referencing with datasheets is recommended for precise technical data.

Application Scenarios & Design Considerations

CMOS SINGLE CHIP 8-BIT MICROCONTROLLER with 8(4)-Kbytes of FLASH

Alternative Part Number

  • AT89C52-24PU --: Pin-compatible 8051 microcontroller with 8K flash, widely available and a direct functional replacement for the 89C52.
  • P89V52X2FN --: 8051-compatible MCU with 8K flash and similar peripheral set, suitable drop-in substitute in most legacy designs.
  • STC89C52RC-40I-PDIP --: Low-cost 8051-compatible MCU with 8K flash and 40MHz rating, matching the original speed grade and DIP package.
  • P89C52X2BN --: 8051-compatible MCU with 8K flash and similar peripheral set, suitable drop-in substitute for legacy 89C52 applications.
  • W78E52B-40PL --: 8051-core microcontroller with 8K flash in a PLCC package, matching the original package and offering comparable performance.

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