General Description - GE Marquette MAC 5000 Field Service Manual

General Description

Revision B
CPU Theory of Operation: General Description
The MAC 5000 CPU PCB contains all of the circuitry for the MAC 5000
resting ECG analysis system except for the power supply, acquisition
module, keyboard and display.
The board contains the following:
Clocks
StrongARM CPU (SA-110)
FPGA for System Logic Containing:
Bootstrap Instruction Unpacker
EDO DRAM Controller
XBus Controller
LCD Controller VLB Bus Interface
Video Waveform Scroller
Interrupt Controller
System Interrupt Generator
Acquisition Module Interface
Thermal Printhead Interface
Serial EEPROM Interface
BBus Interface
Two UARTs
Four PWM Analog Outputs
Beep Generator
Two Serial Ports
4MBytes EDO DRAM (holds both code and data)
2MBytes SmartMedia Flash (holds FPGA configuration and
system code)
VGA LCD Controller and CRT video DACs
Acquisition Module Transceiver/Power Switch
Thermal Printhead Power Switch and Pixel Test Circuit
A PC SuperIO controller containing:
Floppy Disc Drive Controller
Two Serial Ports (one dual mode RS-232 / IrDA)
Clock/Calendar (Y2K compliant even!)
PS-2 Keyboard Port (for card and bar-code readers)
General Purpose Parallel I/O Port for Miscellaneous Control
Four Stooges Controlled Resources:
Four Stooges Overview
Bootstrap Control (Curly)
Keyboard Interface (Shemp)
Printer Motor Controller/Analog Input (Larry)
Main Power Supplies/Battery Charger-Gauge (Moe)
MAC 5000 resting ECG analysis system
2000657-002
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