Details

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BUY NG80386SX-20 https://www.utsource.net/itm/p/11658224.html

Parameter	Description	Value
Part Number	Full Part Number	NG80386SX-20
Type	Microprocessor	80386SX
Clock Speed	Maximum Clock Frequency	20 MHz
Voltage - Supply (Vcc)	Supply Voltage	5 V
Data Bus Width	Data Bus Width	16-bit
Address Bus Width	Address Bus Width	24-bit
Package Type	Package Type	PGA (Pin Grid Array)
Number of Pins	Total Number of Pins	132
Operating Temperature	Operating Temperature Range	0掳C to 70掳C
Power Consumption	Typical Power Consumption at 20 MHz	1.5 W
Instruction Set	Instruction Set Architecture	32-bit x86
Cache	On-Chip Cache	None
Multiplier	Internal Multiplier	1x (No Multiplier)
I/O Voltage	Input/Output Voltage	5 V
Manufacturing Process	Manufacturing Technology	CMOS

Instructions for Use:

1. Power Supply:

   • Connect the Vcc pin to a stable 5V power supply.
   • Ensure that the ground (GND) pins are properly connected to the system ground.

2. Clock Signal:

   • Provide a 20 MHz clock signal to the CLK pin. The clock can be generated using an external crystal oscillator or a clock generator.

3. Reset:

   • Apply a high signal to the RESET pin to initialize the processor. The reset signal should be held high for at least 2 clock cycles.

4. Bus Configuration:

   • Configure the data and address buses according to the system design. The 16-bit data bus and 24-bit address bus should be connected to the corresponding pins on the microprocessor.

5. Memory and I/O Interfacing:

   • Connect memory and I/O devices to the appropriate address and data lines. Use the control signals (e.g., ALE, RD, WR) to manage read and write operations.

6. Heat Dissipation:

   • Ensure adequate heat dissipation by mounting the processor on a heatsink if necessary, especially under continuous operation at high clock speeds.

7. Programming:

   • Program the microprocessor using a compatible development environment that supports the x86 instruction set. Use assembly language or higher-level languages with appropriate compilers.

8. Testing:

   • After assembly, test the system to ensure all connections are correct and the processor is functioning as expected. Use diagnostic tools and software to verify the operation of the microprocessor.

9. Storage:

   • Store the microprocessor in a static-protective bag to prevent damage from electrostatic discharge (ESD).

10. Handling:

    • Handle the microprocessor with care to avoid physical damage to the pins and package. Use anti-static wrist straps when handling the device.

(For reference only)