Am9513a status register, Am9513a status register -67 – National Instruments AT-MIO-16X User Manual
Page 163
Chapter 4
Register Map and Descriptions
© National Instruments Corporation
4-67
AT-MIO-16X User Manual
Am9513A Status Register
The Am9513A Status Register contains information about the output
pin status of each counter in the Am9513A.
Address:
Base address + 16 (hex)
Type:
Read-only
Word Size:
16-bit
Bit Map:
Bit
Name
Description
15-6
X
Don’t care bits.
5-1
OUT<5..1>
Each of these five bits returns the logic
state of the associated counter output pin.
For example, if OUT4 is set, then the
output pin of Counter 4 is at a logic high
state.
0
BYTEPTR
This bit represents the state of the
Am9513A Byte Pointer Flip-Flop. This
bit has no significance for AT-MIO-16X
operation because the Am9513A should
always be used in 16-bit mode on the
AT-MIO-16X.
7
6
5
X
4
3
OUT4
2
OUT2
1
0
OUT1
X
OUT5
BYTEPTR
OUT3
15
MSB
LSB
14
13
X
12
11
X
10
X
9
8
X
X
X
X
X