LCD and Keypad Interface for PC/104 MPC201 Features Alphanumeric and sub-VGA graphic LCD display interface Pinout for popular LCD panels Space for reverse pinout LCD connector for cable design flexibility Keypad scanner, up to 40 keys in row- column matrix, on-board debounce Beeper for audible feedback 5V only operation PC/104 format The MPC201 LCD and keypad interface allows for user-supplied negative voltage generators if direct connection to alphanumeric LCD displays the target LCD unit requires a negative bias (i.e. 2 line by 40 character, etc.). In addition, sub- voltage. VGA graphic LCD displays can also be driven if they employ an 8-bit parallel interface. The keypad scanner drives rows of switches and senses inputs from columns. Key codes reflect Two LCD connectors are supplied, one normal the intersection of row and column. Debounce is and one with mirror image pinout. This provides provided on-board, so any type of switch can be the option of cabling into the top or bottom of the used in connecting a row line to a column line. LCD units in tight places, for instance against Two connectors are provided, each for up to a 4 front panels. Component locations are provided x 5 matrix of 20 keys. Software Support Compatible Hardware Mounting/Packaging Linkable drivers included Any Micro/sys CPU with PC/104 standard PC/104 expansion connector [See Section 1] LCD Displays, LCD0240 Keypads, KEYPAD16/20 [See section 4] LCD displays with 8-bit I/O Matrix keypads Custom interfacing Micro/sys 3730 Park Place, Montrose, CA 91020 (818)244-4600 Fax (818)244-4246 email: info@embeddedsys.com LCD Interface P Read/Write C/ Control 1 0 4 Keypad Interface Beeper AB Beeper: Specifications: � Audible feedback for keypad � Single bit output to turn on/off Mechanical: � PC/104 standard Interrupts: � 3.55" (plus I/O region) x 3.775" x .6" � Keyboard down interrupt � Jumpers to IRQ2 - IRQ7, (IRQ10 - IRQ15 Power Requirements: if PC/104 J2 is installed) � +5V ± 5% at 90mA max � Support for PC/104 shared interrupts Environmental: External Connections: � 0° - +70°C operating � 20-pin header for LCD, pinout configurable � -25° - +85°C storage for 14, 16, 20-pin LCDs � 5%-95% relative humidity, non-condensing � Space for user-installed reverse pinout 20- pin LCD connector PC/104 Interface: � Two 1 x 9 headers for keypads � 8-bit PC/104 module � 4 sequential I/O ports, jumper settable � IRQ jumpers for key down interrupt Ordering Information: LCD Interface: � 8 data lines, 4 enable strobes, reg sel, contrast voltage, R/W, Vcc, gnd MPC201 LCD and keypad interface � 20-pin header, can route to 14, 16, or 20- pin LCD connectors Related Products: � Pin-swap hole array for changing ribbon CA5053 Cable to LC0240 cable pinout to match LCD KEYPAD16 4 x 4 keypad, cable, legends � Space for reverse pinout connector KEYPAD20 4 x 5 keypad, cable, legends � Space for LM337 -Vo regulator LC0240 2 line by 40 character LCD Micro/sys 3730 Park Place, Montrose, CA 91020 (818)244-4600 Fax (818)244-4246 email: info@embeddedsys.com