Dispenser Functional DescriptionControl Board1-18 NCR 5635 Spray Currency Dispenser Service ManualNCR - CONFIDENTIAL AND PROPRIETARYUse pursuant to Company InstructionsControl Board 1The control board is located on the presenter. It controls the mainfunctions of the dispenser and provides an interface to the PC coreof the terminal. The board controls the various sensors, solenoidsand motors for the sensing and presenting of bills. This includescontrol for the divert mechanism and the transport drive. At powerup the board executes level 0 (firmware) diagnostics which reportusing LEDs.The control board is based around the Philips 80C562microcontroller. There is addressing available for up to 64K of codememory (EPROM) and 64K of Data memory (SRAM). This designuses 64K EPROM and 32K of SRAM residing in the lower half of thedata area. The board will also accept 32K EPROMs requiring aresistor jumper to be moved. The EPROM contains Level 0diagnostics and executable code. The SRAM contains variables,buffers and other data. SRAM is battery backed.
