TVME220 User Manual Issue 1.1.1
Page 18 of 26
4.2 IP Control Register
Four IP Control Registers are located in the VMEbus A16 space. Switch S3 must be in the range of “0”
to “7” to access the IP Control Register.
IPA Control Register
VME A16 Base A 0x00C3
Bit
Symbol
Description
Access
Reset Value
7
IP A, Reset 1 = reset is initiated
Remains ‘1’, until the IP reset has been completed
and is then set to ‘0’ by the on board logic. It can
be read to verify the status of the reset.
R/W
0
6
reserved
Carry random information
R
undefined
5
reserved
R
undefined
4
reserved
R
undefined
3
reserved
R
undefined
2
IP A, Error
1 = error signal is active
R
0
1
IP A, INT1
Interrupt status
1 = indicates a pending interrupt request
R
0
0
IP A, INT0
R
0
IPB Control Register
VME A16 Base A 0x01C3
Bit
Symbol
Description
Access
Reset Value
7
IP B, Reset 1 = reset is initiated
Remains ‘1’, until the IP reset has been completed
and is then set to ‘0’ by the on board logic. It can
be read to verify the status of the reset.
R/W
0
6
reserved
Carry random information
R
undefined
5
reserved
R
undefined
4
reserved
R
undefined
3
reserved
R
undefined
2
IP B, Error
1 = error signal is active
R
0
1
IP B, INT1
Interrupt status
1 = indicates a pending interrupt request
R
0
0
IP B, INT0
R
0
Table 4-3 : IP Control Registers (IP A / IP B)
