Dataman 48XP - Manual (Page 37)

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Important notice in function test
To perform function test after programming a PLD chip, the
input file must contain the test vectors or the user has to have
created the vectors by himself, in the options under the
operation menu, function test is enabled by default, which
means after programming the PLD, the DATAMAN-48XP will
perform the function test automatically, if no vector is in the
buffer, the DATAMAN-48XP will report “no test vector in
buffer”, if the test vector does not match the behavior of the
chip after the vector test, an error will be displayed along with
vector number and which pin expected low/high but received
high/low. For PLD devices in PLCC packages (GAL 20V8 as
example), the DATAMAN-48XP software only supports 24 pin
in DIP if you need to program a 28 PLCC chip with a PLCC
adapter, the DATAMAN-48XP will program the chip but the
function test will fail since the pin is mismatched with the chip
(the chip is 28 pin but is emulated as a 24 pin chip with the
adapter), the vector data will not match the device data in pin
out.
Erasing a Device
Menu Device / Erase
Hot key Ctrl-F1
This function is a device-specific command; it appears on the
main menu only after electronically erasable chips have been
selected. The function can be used to erase a specific memory
range from a chip.
Compare
Menu Device/compare
Hot Key Ctrl-F3
This command is only available for memory devices, the