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Revision E
Equipment Overview: Theory of Operation
FPGA Containing:
XBus Controller
LCD Controller with SDRAM Frame Buffer.
Video Waveform Scroller
Interrupt Controller
System Interrupt Generator
Acquisition Module Interface
Thermal Printhead Interface
Serial EEPROM Interface
BBus Controller
Four PWM Analog Outputs
Beep Generator
PC Card Interface
A PC Super I/O controller containing:
Two Serial Ports (one dual mode RS-232 / IrDA)
Clock/Calendar (Y2K compliant)
PS-2 Keyboard Port (for card and barcode readers)
Floppy Disk Controller
Three Peripheral Microcontrollers (The Three Stooges):
System Supervisor / Battery Charger-Gauge (Moe)
Printer Motor Controller / Analog Input (Larry)
Keyboard Interface (Shemp)
MAC 5500 resting ECG analysis system
2020299-020
2-9
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