2-8 MAC™ 5000 resting ECG analysis system Revision B
2024917-010
Equipment Overview: Theory of Operation
Four Universal Synchronous/Asynchronous Receiver/
Transmitters (USART)
- Support for ISO7816 T0/T1 Smart Card
- Hardware and Software Handshaking
- RS485 Support, IrDA Up To 115 Kbps
- Full Modem Control Lines on USART1
Master/Slave Serial Peripheral Interface (SPI)
- 8- to 16-bit Programmable Data Length, 4 External
Peripheral Chip Selects
Two 3-channel, 16-bit Timer/Counters (TC)
- Three External Clock Inputs, Two Multi-purpose I/O Pins per
Channel
- Double PWM Generation, Capture/Waveform Mode, Up/
Down Capability
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:
A Floppy Disc Drive Controller
Two Serial Ports (one dual mode RS-232 / IrDA)
Clock/Calendar (Y2K compliant)
PS-2 Keyboard Port (for card and barcode readers)
Three Peripheral Microcontrollers (The Three Stooges):
System Supervisor / Battery Charger-Gauge (Moe)
Printer Motor Controller / Analog Input (Larry)
Keyboard Interface (Shemp)
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