Rtsishft Register - National Instruments AT-DIO-32F User Manual

High-speed 32-bit parallel digital i/o interface for the pc
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Chapter 4

RTSISHFT Register

The RTSISHFT Register contains one bit, RSI, that is a serial input to the RTSI switch. RSI
must be written to 56 times to load the internal 56-bit RTSI control register.
Address:
Base address + 10 (hex)
Type:
Write-only
Word Size:
8-bit
Bit Map:
7
6
X
X
Bit
Name
7-1
X
0
RSI
© National Instruments Corporation
5
4
X
X
Description
Don't Care Bits.
RTSI Switch Serial Input.
This bit is the serial input to the RTSI switch. Each time the RSI
bit is written to, the value written is shifted into the RTSI switch
internal 56-bit control register. The data in the control register
routes information for switching signals to and from the RTSI bus
trigger lines. The RSI bit must be written to 56 times to shift the
56 bits of routing data into the internal control register. See
Programming the RTSI Switch later in this chapter for more
information.
4-27
3
2
X
X
Programming
1
0
X
RSI
AT-DIO-32F User Manual

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