Block Diagram
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6-19
6
Figure 6-3. MX Signal Timings
Signal Descriptions
Serial Ports Defined:
CTSn - clear to send
DCDn - data carrier detected
DSRn - data set ready
DTRn - data terminal ready
RIn - ring indicator
RTSn - request to send
ABORT (ABT)/RESET (RST) Switch (S1)
The MCPN750A SBC contains a single push button switch that provides
both ABORT and RESET functions. When the switch is depressed for less
than 3 seconds, an interrupt is generated to the processor via ISA interrupts
IRQ8. If the switch is held for more than 3 seconds, a board hard reset is
generated.
RTS3
DTR3
RTS1
RTS2
Reserved
CTS3
DSR3
DCD3
CTS1
DCD2
MMXCLK
MMXSYNC#
MMXDO
MMXDI
Time Slot 15
Time Slot 0
Time Slot 1
Time Slot 2
Time Slot 3
Summary of Contents for MCPN750A
Page 13: ...xii ...
Page 15: ...xiv ...
Page 53: ...1 32 Computer Group Literature Center Web Site Hardware Preparation and Installation 1 ...
Page 67: ...2 14 Computer Group Literature Center Web Site Startup and Operation 2 ...
Page 105: ...5 14 Computer Group Literature Center Web Site Remote Start Via the PCI Bus 5 ...
Page 167: ...7 38 Computer Group Literature Center Web Site Connector Pin Assignments 7 ...
Page 171: ...A 4 Computer Group Literature Center Web Site Specifications A ...
Page 187: ...Index IN 10 Computer Group Literature Center Web Site I N D E X ...