Dynamic Engineering cPCIBPMC6U Benutzerhandbuch - Seite 6

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DIP SWITCH Settings

Please note that the switch numbering and 'CLOSED' and '0PEN' definitions are

per the silk-screen. Closed corresponds to '0' and open to '1'.

SW1 DIP SWITCH Settings

DIPSWITCH #1 [SW1 table on silk-screen]

Switch #1 selects the secondary side VIO [SVIO]. When the switch = 'open'

3.3V is selected for the secondary side. When 'closed' is selected 5V is the VIO

definition. The VIO plane is a reference for the IO level. The specification does

not prohibit larger current consumption from these pins. The cPCIBPMC6U

design utilizes a MOSFET to control the 5V or 3.3V rails onto the VIO plane.

Max consumption on the VIO rail is 3A.

The factory setting is 'Open'.

Switch #2 SM66EN signal is also routed to the PMC connector pin M66EN. If

the PMC uses the M66EN as an input the dipswitch can be used to control the

frequency. If the PMC uses the M66EN pin as a control, the Switch may have no

effect. For example, if the switch is in the 'open' position and the PMC is

selecting M66EN = '0' the PMC will "win" and the signal will be at the 33 MHz

setting. Both the dipswitch and the PMC M66EN have to be enabled for 66 MHz.

Switch #3 Config66 is controlled with this switch. Closed selects 33 MHz and

open selects 66 MHz capable.

Switch #4 Spare

Switch #5 Spare

Switch #6 Spare

Switch #7 selects PMC Monarch Mode. For prPMCs using the Monarch Mode

pin, closing the switch will cause the Monarch Pin [64] at the PMC to be tied

through a 1KΩ resistor to ground. With the switch open the Monarch pin is tied

to 3.3V through 4.7KΩ.

The factory setting is 'Closed'.

Switch #8 is spare

Embedded Solutions

Page 6