NMIY-0020 Single Board Computer

68HC11 Based SBC

The NMIY-0020 is the 68HC11-based CPU board for the NMI “100 Squared”TM board series.

Features

Ø       68HC11TM CPU

Ø       Max-FORTHTM built-in programming language

Ø       231 predefined words in the language

Ø       3 Parallel ports

Ø       1 Asynchronous Serial Ch. RS-232

Ø       1 Synchronous Serial Channel, TTL

Ø       8-Channel, 8-bit A/D (3 Available when keypad is in use)

Ø       8-bit Counter

Ø       16-bit timer

Ø       3 input captures

Ø       5 output compares

Ø       ½K EEPROM

Ø       8K RAM                                                                                      

Ø       64K address space

Ø       Intelligent LCD interface (B080-B083 Hex) 

Ø       4X5 Keypad  interface (Uses PE3-7, PA0) 

Ø       Three 28-pin JEDEC Memory Sockets

Ø       Flexiable address decoding, socket assignments

Ø       Battery backup circuits for  memory

 

The NMIY-0020 board is a low cost, production oriented, computer board.  Facilities are included for

 

memory-mapped serial communications, a real-time chip, LCD interface, keypad, and memory expansion to 64Kbytes of memory.  Serial communication options include RS-232, RS-422, and RS-485 It will serve as host for the NMIL and NMIS series of Vertical Stacking Component (VSC) cards.  This ability gives it a great degree of flexibility in meeting customer application requirements.  The NMIY-0020 design allows purchasers custom board configuration, including only the facilities required by their application.

The NMIY-0020 has several options that make it adaptable to many uses. The standard configuration is used as a base to allow the user many paths to achieving the control configuration that suits their application.  T          To provide the facilities that promote application development, the installed headers option allows flexibility in configuring memory.  Three l Languages for development, as well as monitor, are also available.  Other options include an on board power supply, up to 64K EPROM/R            RAM space, and three COM port standards.  The customer or New Micros can add customized circuitry in the prototyping area.

Vertical Stacking Component (VSC) options further enhance flexibility.  More than a dozen NMIL/NMIS series peripheral cards are available to enhance off-the-shelf hardware solutions for control systems.  Custom card designs can also make use of the VSC connector for bus connection.

With these configuration options including the fully customizable interfaces, the NMIY-0020 processor board provides the user with the ability to construct a cost-effective, digital control unit for a wide range of applications.