SERIES AP441 ACROPACK
USER
’S MANUAL
Acromag, Inc. Tel: 248-295-0310
- 20 -
http://www.acromag.com
- 20 -
www.acromag.com
2
Interrupt Pending Port A Status Bit. This bit can be read to
determine the interrupt pending status of the AP module.
When this bit is logic “1” an interrupt is pending and will cause
an interrupt request if bit-0 of the register is set. When this
bit is logic “0” an interrupt is not being requested.
0
No Interrupt from Port A
1
Interrupt Pending from Port A
3
Interrupt Pending Port B Status Bit. This bit can be read to
determine the interrupt pending status of the AP module.
When this bit is logic “1” an interrupt is pending and will cause
an interrupt request if bit-0 of the register is set. When this
bit is logic “0” an interrupt is not being requested.
0
No Interrupt from Port B
1
Interrupt Pending from Port B
4
Interrupt Pending Port C Status Bit. This bit can be read to
determine the interrupt pending status of the AP module.
When this bit is logic “1” an interrupt is pending and will cause
an interrupt request if bit-0 of the register is set. When this
bit is logic “0” an interrupt is not being requested.
0
No Interrupt from Port C
1
Interrupt Pending from Port C
5
Interrupt Pending Port D Status Bit. This bit can be read to
determine the interrupt pending status of the AP module.
When this bit is logic “1” an interrupt is pending and will cause
an interrupt request if bit-0 of the register is set. When this
bit is logic “0” an interrupt is not being requested.
0
No Interrupt from Port D
1
Interrupt Pending from Port D
31 to 6 Not Used
Module Location In System Register (Read Only)
(BAR0 + 0x0000 0004)
This read only register is used identify the module’s plugin location in a
system.
Table 3.4 Location Register
Note that any registers/bits not
mentioned will remain at the
default value logic low.
Bit(s)
FUNCTION
2 to 0
Module Site Location Bits. These bits identify the location on
the carrier of the AP module.
000
Carrier Site A
001
Carrier Site B
010
Carrier Site C
011
Carrier Site D
