Emerson MVME2500 Manuel D’Utilisation
Memory Maps and Registers
MVME2500 Installation and Use (6806800L01H)
94
5.5.14 PLD GPIO2 Interrupt Register
The Abort switch, Tick Timer 0, 1 and 2 interrupts are ORed together. The MVME2500 provides
an interrupt register that the system software reads to determine which device the interrupt
originated from. GPIO2 will be driven "low" if any of the interrupts asserts.
an interrupt register that the system software reads to determine which device the interrupt
originated from. GPIO2 will be driven "low" if any of the interrupts asserts.
Table 5-17 PLD GPIO2 Interrupt Register
REG
PLD Write Protect I2C Debug- 0xFFDF0095
Bit
7
6
5
4
3
2
1
0
Field
RSVD
RSVD
RSVD
RSVD
NMI
TICK0_INT
TICK1_INT
TICK2_INT
OPER
R
RESET
0
0
0
0
0
0
0
0
Field Description
NMI
Abort switch interrupt if pressed less than three seconds.
1 - Interrupt enabled
0 - No Interrupt
1 - Interrupt enabled
0 - No Interrupt
TICK0_INT
Tick Timer 0 interrupt
1 - Interrupt enabled
0 - No Interrupt
1 - Interrupt enabled
0 - No Interrupt
TICK1_INT
Tick Timer 1 interrupt
1 - Interrupt enabled
0 - No Interrupt
1 - Interrupt enabled
0 - No Interrupt
TICK2_INT
Tick Timer 2 interrupt
1 - Interrupt enabled
0 - No Interrupt
1 - Interrupt enabled
0 - No Interrupt