Chapter 4
Register Descriptions
© National Instruments Corporation
4-37
VME-MXI-2 User Manual
VMEbus Status ID Register (VSIDR)
VMEbus A16 Offset:
2C (hex)
Attributes:
Read/Write
16, 8-bit accessible
15
14
13
12
11
10
9
8
S[15]
S[14]
S[13]
S[12]
S[11]
S[10]
S[9]
S[8]
7
6
5
4
3
2
1
0
S[7]
S[6]
S[5]
S[4]
S[3]
S[2]
S[1]
S[0]
This register contains the Status ID value, which is returned during an interrupt
acknowledge cycle for an IRQ[7:1] line that is being driven with the DIRQ[7:1] bits in
the VMEbus Interrupt Control Register (VICTR).
Bit
Mnemonic
Description
15-0
S[15:0]
Status ID
These bits are cleared by a hard reset and are not
affected by a soft reset.
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