Chapter 2 Register Map and Descriptions
Static DIO Register-Level Programmer Manual
2-12
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RTSI Enable Registers
RTSI_En(
N
)
This register enables RTSI for port
N
, where
N
is the port number in hexidecimal.
Note
Ports can range from 0 to 11 (0x0 to 0xB), depending on your device. For each port,
you must add an additional offset equal to 0x10 time the port number in hex.
Address Offset:
0x49 + 0x(
N
)0
Type:
Read-write
Size:
8-bit
Bit Map:
Bit
Name
Description
7–0
RTSI_En(<7..0>)
Write a 1 to any bit to enable RTSI routing to the
corresponding port bit. RTSI can only be enabled on two
ports. The second port can only have one bit, the least
significant bit (LSB) or bit 0, of the port enabled.
RTSI_En(
N
) is only available on the NI 6528.
♦
For PCI—Only valid for the first output-enabled port.
♦
For PXI—Only valid for the first output-enabled port and the first line of the second
output-enabled port. The single line in the second port corresponds to the PXI Star Trigger
line.
7
6
5
4
3
2
1
0
RTSI_En(7)
RTSI_En(6)
RTSI_En(5)
RTSI_En(4)
RTSI_En(3)
RTSI_En(2)
RTSI_En(1)
RTSI_En(0)
