Technical data

PMCspan PMC Carrier Module Installation and Use (6806800A59B)
3 Functional Description
14
Figure 3-1. PMCspanx6E-002 Block Diagram
Figure 3-2. PMCspanx6E-010 Block Diagram
On-Board +3.3 Volt Power Supply
The on-board PMCspan power supply circuit generates the +3.3 volts used by the PCI-to-PCI
bridge chip. The PCI-to-PCI bridge consumes 400 mA maximum, leaving 4.6 Amps available to
the PMC modules. On the PMCspanx6E-010, 5 Amps is available to the PMC modules.
PCI-to-PCI Bridge
Chip
ISA Bus
J11
J12
J21
J22
Config
Clock
VME P1 Connector
VME P2 Connector (PMC I/O)
+5V
J14
J24
PMC V(I/O)
PMC Slot 1
PMC Slot 2
(46 pins)
(64 pins)
Secondary V(I/O)
6150
+3.3V
Supply
Power
Secondary Expansion Receptacle
PMC
Present
PCI Expansion Connector
32-bit PCI @ 33 MHz (Secondary Bus)
J11
J12
J21
J22
VME P1 Connector
VME P2 Connector (PMC I/O)
+5V
J14
J24
PMC V(I/O)
PMC Slot 1
PMC Slot 2
(46 pins)
(64 pins)
Secondary Expansion Plug
+3.3V
Supply
Power
32-bit PCI @ 33 MHz (Secondary Bus)