Chapter 4
Register Map and Descriptions
© National Instruments Corporation
4-59
AT-MIO-64F-5 User Manual
RTSI Switch Shift Register
The RTSI Switch Shift Register is written to in order to load the RTSI switch internal 56-bit
Control Register with routing information for switching signals to and from the RTSI bus trigger
lines. The RTSI Switch Shift Register is a 1-bit register and must be written to 56 times to shift
the 56 bits into the internal register.
Address:
Base a 0C (hex)
Type:
Write-only
Word Size:
8-bit
Bit Map:
7
6
5
4
3
2
1
0
0
0
0
0
0
0
0
RSI
MSB
LSB
Bit
Name
Description
7-1
0
Reserved Ð These bits must always be set to zero.
0RSI
RTSI Switch Serial Input Ð This bit is the serial input to the RTSI switch. Each time
the RTSI Switch Shift Register is written to, the value of this bit is
shifted into the RTSI switch. See the
Programming the RTSI
Switch
section later in this chapter for more information.
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