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Am9513a command register, Am9513a command register -66 – National Instruments AT-MIO-16X User Manual

Page 162

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Chapter 4

Register Map and Descriptions

AT-MIO-16X User Manual

4-66

© National Instruments Corporation

Am9513A Command Register

The Am9513A Command Register controls the overall operation of the
Am9513A Counter/Timer and controls selection of the internal
registers accessed through the Am9513A Data Register.

Address:

Base address + 16 (hex)

Type:

Write-only

Word Size:

16-bit

Bit Map:

Bit

Name

Description

15-8

1

These bits must always be set when
writing to the Am9513A Command
Register.

7-0

C<7..0>

These eight bits are loaded into the
Am9513A Command Register. See
Appendix C, AMD Am9513A Data Sheet,
for the detailed bit description of the
Am9513A Command Register.

15

1

14

1

13

1

12

1

11

1

10

1

9

1

8

1

7

C7

6

C6

5

C5

4

C4

3

C3

2

C2

1

C1

0

C0

LSB

MSB