PCVisionplus
Hardware Reference
Registers
3–49
Rev 02; February 8, 2002
3.4.8 AM Interrupt Status (AMINTCLR) R/W1C
0
7
BADR2 + 0x20
Reserved
VBODD
VBEVEN
VBLANK
TCNTINT
PIOINT
EOTINT
SOTINT
8
15
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
PCP_AM_INTCLR_32
16
23
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
24
31
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
STAT
STAT
STAT
STAT
INTSTAT
INTSTAT
INTSTAT
This register provides status on, and clears, the interrupts from the acquisition module, timer, and parallel I/O port.
Bit
Mnemonic
Function
0
SOTINTSTAT
Start of Trigger Cycle Interrupt Status
1
EOTINTSTAT
End of Trigger Cycle Interrupt Status
2
PIOINTSTAT
Programmable I/O Interrupt Status
3
TCNTINTSTAT
Timer Interrupt Status
4
VBLANKINTSTAT
Vertical Blank Interrupt Status
5
VBEVENINTSTAT
Vertical Blank Odd Field Interrupt Status
6
VBODDINTSTAT
Vertical Blank Even Field Interrupt Status
7–31
Reserved
“Don’t care”
3.4.8.1 Start of Trigger Cycle Interrupt Status (SOTINTSTAT) R/W1C
This bit reflects the status of the “Start of Trigger” interrupt. This interrupt is enabled by the SOTINTEN bit in the
AM Interrupt Control register (AMINTEN). Writing one to this status bit clears the interrupt request.
SOTINTSTAT
Status
0
No interrupt request
1
Start of Trigger interrupt request pending
3.4.8.2 End of Trigger Cycle Interrupt Status (EOTINTSTAT) R/W1C
This bit reflects the status of the “End of Trigger” interrupt. This interrupt is enabled by the EOTINTEN bit in the
AM Interrupt Control register (AMINTEN). Writing one to this status bit clears the interrupt request.
EOTINTSTAT
Status
0
No interrupt request
1
End of Trigger interrupt request pending
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