Delta Tau PMAC2 Uživatelský manuál stáhnout pdf (Strana 15)

Turbo PMAC2 VME Hardware Reference

Option 1V Piggyback Jumper Description 11

OPTION 1V PIGGYBACK JUMPER DESCRIPTION

JP1-1 to JP1-32: P2A Connector B-Row Use Select

(Option 1V only)

E Point and

Physical Layout

Location Description Default

JP1-1 to JP1-32

• • •

Jump pins 1 to 2 to use B-row of P2A connector for

JMACH pins (not compatible with 32-bit VME).

Remove jumpers to leave B-row of P2A unconnected

to prevent contention with 32-bit VMEbus.

1-2 Jumpers

installed

E14: SCLK Direction Control

(Option 1V only)

E Point and

Physical Layout

Location Description Default

E14

Remove jumper to output SCLK generated in second

ASIC on SCLK_56 and SCLK_78, or to control

direction by software.

Jump pins 1 to 2 to input SCLK signal for second

ASIC on SCLK_78 and output this signal on

SCLK_56.

Jump pins 2 to 3 to input SCLK signal for second

ASIC on SCLK_56 and output this signal on

SCLK_78.

No jumper installed

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