Delta Tau PMAC Pack, Справочник по аппаратуре

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PMAC-Pack
PMACPack Custom Configuration 57
E91 - E92: Bus Base Address Select (High Bits)
These jumpers work with E66-E71 to set the base address of PMAC-LITE on the PC bus. (They are of no
relevance to PMAC-Pack operation).
E93 - E94: Reset From Bus by Software Enable
These jumpers may be used to provide a hardware RESET of PMAC-LITE under the software control of
the host PC-AT. (They are of no relevance to PMAC-Pack operation).
E98: DAC/ADC Clock Frequency Control
Table 4-26. E98: DAC/ADC Clock Frequency Control
E Point &
Physical Layout
Location Description Default
E98
D4 Jump 1-2 to provide a 2.45 MHz DCLK signal to DACs
and ADCs.
Jump 2-3 to provide a 1.2 MHz DCLK signal to DACs
and ADCs. Important for high accuracy A/D conversion
on accessory boards.
Note:
This also divides the phase and servo clock
frequencies in half.
See E29-E33, E3-E6
1-2 Jumper installed
E101 - E102: Output Configure
Caution
Improper setting of E101 or E102 will damage the output IC.
Table 4-27. E101 - E102: Amplifier Enable Output Configure
E Point &
Physical Layout
Location Description Default
E101
F1 Jump pin 1 to 2 to apply +V (+5V to +15V) to pin 11 of
"U54" (Should be ULN2803A for sink output
configuration).
Jump pin 2 to 3 to apply GND to pin 11 of "U54"
(should be UDN2981A for source output
configuration).
1-2 Jumper installed
E102
F1 Jump pin 1 to 2 to apply GND to pin 11 of "U54"
(Should be ULN2803A for sink output configuration).
Jump pin 2 to 3 to apply +V (+5V to +15V) to pin 11 of
"U54" (Should be UDN2981A for source output
configuration).
1-2 Jumper installed