Local bus interrupter enable register (bits 2431) – Motorola MVME1X7P User Manual

Page 171

Advertising
background image

LCSR Programming Model

http://www.motorola.com/computer/literature

2-81

2

Local Bus Interrupter Enable Register (bits 24-31)

This register is the local bus interrupter enable register. When an enable bit
is high, the corresponding interrupt is enabled. When an enable bit is low,
the corresponding interrupt is disabled. The enable bit does not clear
edge-sensitive interrupts or prevent the flip-flop from being set. If
necessary, edge-sensitive interrupters should be cleared to remove any old
interrupts and then re-enabled.

ETIC1

Enable tick timer 1 interrupt.

ETIC2

Enable tick timer 2 interrupt.

EVI1E

Enable VMEbus IRQ1 edge-sensitive interrupt.

EPE

Not used on MVME1x7P.

EMWP

Enable VMEbus master write post error interrupt.

ESYSF

Enable VMEbus SYSFAIL interrupt.

EAB

Not used on MVME1x7P.

EACF

Enable VMEbus ACFAIL interrupt.

ADR/SIZ

$FFF4006C (8 bits of 32)

BIT

31

30

29

28

27

26

25

24

NAME

EACF

EAB

ESYSF

EMWP

EPE

EVI1E

ETIC2

ETIC1

OPER

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

RESET

0 PSL

0 PSL

0 PSL

0 PSL

0 PSL

0 PSL

0 PSL

0 PSL

Advertising