DDC NHi-15504 Manuel d'instructions - Page 11

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ADDRESS
CONTENTS/OPERATION
Base + 18
Encoder Status
Base + 19
Condition
Base + 20
BC Frame Gap/ Word Mtu End of Frame Options
Base + 21
Configuration 3
Base + 22
Message Monitor Address Filter
Base + 23
Encoder Data *
Base + 24
Encoder Data TX Request *
Base + 25
Encoder CMD TX Request *
Base + 26
Message Monitor Address Filter
Base + 27
Monitor Block "A" Last address
Base + 27
Clear register 27
Base + 28
Monitor Block "B" Last Address
Base + 28
BC current message Address
Base + 28
Clear register 28
Base + 29
RT Log Pointer Table Address
Base + 30
External RT Address Buffer (lower byte)
Base + 30
Reserved
Base + 31
BC & MT Interrupt Vector
* In order to write to addresses 23, 24, and 25, the Terminal must be in loopback
in the RT mode (see Control Register for details.

4.0 HARDWARE DESCRIPTION

4.1 Clock

A 20 Mhz oscillator (U3) is used to provide the required clocks for the NHi-15504 PCI Card.

4.2 NHi-15625ET Terminal

The PCI card contains one NHi-15625ET terminal, which functions as a BC, MT, RT or an MT/RT.
See the NHi Enhanced Terminals Manual for a full description.

5.0 On-Line Help

On-Line help is available for all menu items and dialog boxes. Use the left mouse button
to drag the Question Mark(?) to the item requiring help; then release the button over that item. The
help dialog will appear in the upper left screen area.
(0-15)
(16-31)
11
R/W
R
R
R/W
R/W
R/W
R/W
W
W
R/W
R
W
R
R
W
R
R/W