Description: Hardware: Microcomputer System Extension: CPU (8088), system control chip (1032), 64K monitor program storage, 64K user program and data storage (61256x2), 64K experiment program storage, open type 4*6 key board circuit, open type 6-bit dynamic digital tube display circuit, with serial port or USB communication mode, factory configuration is serial port. Input / Output: 128*64 LCD graphic circuit (or character type 1602 LCD), 8-bit switch logic level input/output circuit, Single pulse generator, 8MH clock frequency division, 16*16 LED lattice circuit, audio power amplifier, 0-5V adjustable analog quantity, PWM circuit, emitter follower, print port, user serial interface. Common interface chip: 74LS273, 74LS244, 8279, 0832, 0809, 8259, 8250, 8253, 8251, 8255, 8237, RS232 etc. Control object: horn, buzzer, small DC motor, stepper motor, pressure sensor, temperature sensor, relay, etc. Extended unit interface: provides BUS interface, can extend the design by user self.
Specification:
(1) Two kinds of working mode: One is to run with PC; Second, it runs offline.
(2) The open of experiment.
(3) Secondary development.
(4) Equip with the necessary instrument.
3. EXPERIMENT ITEMS
Software experiment:
(1) Binary multi-bit addition experiment.
(2) Binary conversion to BCD code experiment.
(3) Convert BCD code into binary code.
(4) Decimal BCD code subtraction operation.
(5) Memory reset experiment.
(6) Digital display experiment.
(7) Calculate the maximum number and the minimum number.
(8) Data block transfer experiment.
(9) Branch programming design.
Hardware experiment
(1) A/D conversion experiment.
(2) D/A conversion experiment (I).
(3) D/A conversion experiment (II).
(4) 8255A parallel port experiment (I).
(5) 8255A parallel port experiment (II).
(6) Timer/counter experiment.
(7) 8259 single-stage interrupt controller experiment
(8) Serial port transmission experiment (dual-machine communication).
(9) Serial port receiving experiment (dual-machine communication).
(10) Small DC motor speed control experiment.
(11) Stepper motor control.
(12) Relay control.
(13) Memory read and write experiment.
(14) Electronic organ experiment.
(15) Simple I/O port extension experiment.
(16) 8251 programmable communication interface and PC communication.
(17) 16*16 LED lattice display experiment 3.
(18) 128*64 LCD display experiment.
(19) 8237 DMA transfer experiment.
(20) 8250 programmable asynchronous communication interface experiment.
(21) 8279 Keyboard display experiment.
(22) Temperature measurement experiment.
(23) Pressure measurement experiment.
