Fuctional Characteristics

• Expansion of 8-bit I/O ports via an I2C Bus
• 12-bit D/A converters via a SPI Bus
• Reading/Writing of FLASH memory via an I2C Bus
• RTC management via an I2C Bus
• Serial RS232 and USB interface
• Management of LCD displays
• Management of GRAPHIC displays
• Management of LEDs and keys
• Management of 4 x 4 KEYS Matrix Keyboard
• Management of external applications via 2 I/O ports
• Base Board
• I/O Expander PCF877A with selectable address, used as 8 inputs
• I/O Expander PCF877A with selectable address, used as 8 Outputs
• 7-segment common anode display connected to the output of the Expander PCF877A
• 12-bit DACs with SPI interface and selectable address
• Serial EEPROM 16K x 8bit 24LC128 memory with serial interface via an I2C bus
• RS232 interface using MAX232C with RS-232 DB9 connector; interface for 5Vdc/3.3 Vdc
• Clock and calendar with 240 x 8-bit RAM with serial interface via an I2C bus and 32.768 kHz external crystal oscillator
• Alphanumeric 2 lines x 16 characters LCD; interface for 5Vdc/3.3 Vdc
• Graphic 128 x 64 pixels LCD; interface for 5Vdc/3.3 Vdc 4 x 4 keys matrix keyboard
• Aurduino Nano
• Line of 8 keys for the bytes inlet port
• Line of 8 LEDs for the bytes outlet port
• Line of 4 keys with pull-up for the semibyte inle
• Connector for 26-pin external applications interface
• Connector for power supply of external RS-232 DB9 applications
• Ansley 3×2 female connectors and bushings for the
• connections with the sub- modules
• ICSP programmer for microchip microcontrollers
• ISP programmer for ATMEL microcontrollers
   

Power Supply Unit

• Output 1: +1.3 Vdc ÷ +24 Vdc, 1A. Regulated voltage, electronically protected against short-circuits and overloads. Lateral knob for selecting the variable voltage.
• Output 2: 24 Vac , 0.5A. Protected with fuse
• Output 3: +5 Vdc ,2 A
• Output 4: +12 Vdc, 2 A. Regulated voltage,electronically protected against short-circuits and overloads.
• Output 5: -12 Vdc ,1A. Regulated voltage,electronically protected against short-circuits and overloads.
• Power supply: 230 Vac 50 Hz single-phase , 130 VA