SB-TEK 8086 Microprocessor Trainer – SB-8086

SB-8086 Microprocessor Trainer — Detailed Specifications

Core Processor & System

• CPU: Intel 8088 (compatible with 8086 microprocessor architecture). All key system resources are exposed externally (address/data bus and control signals).

• Data Bus: 8-bit external data interface.

• Address Bus: 16-bit address lines available for experiment use.

• Control Signals: Includes read/write and other control lines accessible for interfacing.

• Decoding & Lock Unit: Implemented with a CPLD chip (1032) for system control and address decoding.

• Communication Interface: Standard USB communication interface included; also supports RS-232 serial communication.

Memory

• Extend ROM: 64 KB.

• Extend RAM: 64 KB.

Peripheral Modules & Interfaces

Built-in module resources:

Control & Interface Chips

• 8251 programmable communication interface module

• 8253 timer/counter module

• 8279 keyboard/display controller

• 8237 DMA controller

• 8259 interrupt controller

• 8255 I/O interface

• 8155 timer/I/O interface

Input/Output & Display

• Keyboard: 4×6 matrix keyboard module.

• LED Display: 6-bit dynamic nixie module & 16×16 dot-matrix module.

• LCD Module: 128×64 graphic LCD display.

• Switch Inputs: Two 8-bit switch input modules (dial and button types).

• LED Outputs: 8-bit LED output module.

Additional Functional Modules

• ADC0809 parallel A/D converter.

• DAC0832 parallel D/A converter.

• Adjustable voltage module.

• Audio power amplifier (LM386).

• Buzzer output module.

• Relay control module.

• Motor modules:

  • Small DC motor with Hall sensor

  • Four-phase step motor with drive circuitry

Power & Physical Parameters

• Input Power Supply: AC 220 V ±10%, 50 Hz.

• Output Supplies:

  • +5 V @ 3 A

  • +12 V @ 0.5 A

  • –12 V @ 0.5 A

• Working Conditions:

  • Temperature: 10 °C to 40 °C

  • Relative humidity < 85%

  • Altitude < 4000 m

• Capacity: < 0.5 KVA.

• Weight: ~5 kg.

• Dimension: 520 × 330 × 140 mm.

• Enclosure: Light aluminum alloy frame housed in a wooden box.

• Protection: Built-in short-circuit protection with self-recovery functionality.

Included Accessories

• CD containing source code, tools, and user manual.

• 220 V power cable.

• Experiment jumper wires (multi-core colored).

Experiments Supported

Software experiments:

• Binary system multi-bit addition

• Binary–BCD conversions

• BCD–binary conversions

• Decimal subtraction

• Memory clearing

• Digital code display

• Max/min number calculation

• Data block transfer

• Conditional branch programming design

Hardware experiments:

• ADC/DAC experiments

• Parallel & serial port experiments

• Timer/counter operations

• Interrupt controller experiments

• Motor control (DC & stepper)

• Relay control

• Memory read/write

• Audio output experiments

• LCD & LED display experiments

• PWM pulse width modulation experiment