User's Manual

Turbo PMAC2 VME Hardware Reference
8 Bottom Board E-Point Jumper Descriptions
E11 – E12: Compare Output Supply Voltage Configure
E Point and
Physical Layout
Location Description Default
E11
D3 Jump pin 1 to 2 to apply +V (+5V to 24V) to pin 11
of U74 (should be ULN2803A for sink output
configuration) JEQU Compare outputs EQU1-EQU8.
Jump pin 2 to 3 to apply GND to pin 11 of U74
(should be UDN2981A for source output
configuration).
WARNING:
The jumper setting must match the type of driver
IC, or damage to the IC will result.
1-2 Jumper installed
E12
C3 Jump pin 1 to 2 to apply GND to pin 10 of U74
(should be ULN2803A for sink output configuration).
Jump pin 2 to 3 to apply +V (+5V to 24V) to pin 10
of U74 (should be UDN2981A for source output
configuration).
WARNING:
The jumper setting must match the type of driver
IC, or damage to the IC will result.
1-2 Jumper installed
E13 - E14: Encoder Sample Clock Direction Control
E Point and
Physical Layout
Location Description Default
E13
Remove jumper to output SCLK generated in first
ASIC on SCLK_12 and SCLK_34, or to control
direction by software.
Jump pins 1 to 2 to input SCLK signal for first ASIC
on SCLK_34 and output this signal on SCLK_12.
Jump pins 2 to 3 to input SCLK signal for first ASIC
on SCLK_12 and output this signal on SCLK_34.
No jumper installed
E17 - E18: Serial Connector Select
E17 and E18 control whether the RS-232 or RS-422 serial port is used.
E Point and
Physical Layout
Location Description Default
E17
Jump pins 1 to 2 to use RS-232 serial interface.
Jump pins 2 to 3 to use RS-422 serial interface.
1-2 Jumper installed
E18
Jump pins 1 to 2 to use RS-232 serial interface.
Jump pins 2 to 3 to use RS-422 serial interface.
1-2 Jumper installed