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1.2 Data Transfer Modes
Single word transfer D8, D16, D24, D32 with the full selection of bus placement,
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including unaligned transfers.
Addressing modes A16, A24, A32.
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BLT16, and BLT32 block transfers..
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Multi-BLT transfers of up to 8 Mbytes, both write and read, with or without auto-
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increment of individual BLT addresses.
Autonomous (intelligent) operation pursuant to user-programmed stack. May include
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conditional execution of VME commands controlled by the content of a hit register.
May include multiple, conditional command stacks, action triggered by either USB,
VME IRQ, or external signal.
Highly effective triply-pipelined stack execution, virtually with no band-width
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penalty for single (as opposed to block transfer) operations.
Long USB2 bulk transfers of up to 4 MByte, both write and read.
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Highly customizable.
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1.3 VM-USB Front panel
WIENER, Plein & Baus GmbH
4 user LED's
2 user inputs Lemo / NIM
2 user outputs Lemo / NIM
Failure LED / USB 1 or 2 indicator
USB port
Firmware selector (1 – 4) :
P1 – P4 for programming
C1 – C4 for use / operation
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