Register Descriptions
Chapter 4
SCXI-1162 User Manual
4-4
© National Instruments Corporation
Data Register
The Data Register contains 32 bits that control the state of each input of the SCXI-1162.
Whenever the Address Handler selects the Data Register, it will latch in the data present on the
inputs, then shift out one bit of the data onto the MISO line, bit 31 first, with each falling edge of
SPICLK.
Type:
Write-only
Word Size:
32-bit
Bit Map:
31
30
29
28
27
26
25
24
IN(31)
IN(30)
IN(29)
IN(28)
IN(27)
IN(26)
IN(25)
IN(24)
23
22
21
20
19
18
17
16
IN(23)
IN(22)
IN(21)
IN(20)
IN(19)
IN(18)
IN(17)
IN(16)
15
14
13
12
11
10
9
8
IN(15)
IN(14)
IN(13)
IN(12)
IN(11)
IN(10)
IN(9)
IN(8)
7
6
5
4
3
2
1
0
IN(7)
IN(6)
IN(5)
IN(4)
IN(3)
IN(2)
IN(1)
IN(0)
Bit
Name
Description
31-0
IN<31..0>
Input(x) – These bits are the states of the inputs. If the
inputs are driven low, the bits will be logic 0s. If the states
are idled high, the bits will be logic 1s.
