Single
Chip Computer/configuration of EDA system
1. 51/96 general purpose simulator: mainboard,
core-board and downloader.
2. input interface (A single pulse source, two
way 0-5V adjustable power supply, clock generator, 8-digit Toggle Switch, 555
signal source, 8-digit Toggle Switch and the array type keyboard) , the array
type keyboard
3. output interface: loudspeaker driver, serial
static appearance show, dynamic scan display, 128*64 Lattice graphic liquid
crystal display module, 16-bit Logic level display, I2C Bus Clock, crossroads
traffic lamp/ turning signal lamp of car/stage lamp, relay control, two 8*8
Double color lattice display and buzzer control.
4. Communication interface chip: USB1.1, CAN2.0,
Ethernet, RS232, RS485, USB2.0 and Infrared wireless interface
5. Commonly used interface chip: 74LS164,
74LS165, 8255, 8155, 8253 timer/counter expansion interface, 8250 and 8251
asynchronous communication interface, MAX813 Watchdog interface, 12C Bus
Interface, AD/DA conversion, Real Timer /calendar Controller, temperature
sensor and temperature control, Infrared transceiver circuit, 8279 keyboard
scan, 74S138 decoder, v/F switching circuit, voice chip ISD1420.
6. The memory interface chip: SRAM62256 data
storage device, 12C (AT24C02) interface, 93C46 memorizer and program storage.
7. common equipment: DC Motor Drive, stepper
motor drive, loudspeaker, buzzer, relay,
DS18B20temperature control.
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