Motorola MVME172 - Manual (Page 165)

LCSR Programming Model
http://www.mcg.mot.com/literature 2-87
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CVI1E Clear VMEbus IRQ1 edge-sensitive interrupt.
CPE Not used on MVME172.
CMWP Clear VMEbus master write post error interrupt.
CSYSF Clear VMEbus SYSFAIL interrupt.
CAB Not used on MVME172.
CACF Clear VMEbus ACFAIL interrupt.
Interrupt Clear Register (bits 16-23)
This register is used to clear the edge-sensitive interrupts. An interrupt is
cleared by writing a one to its clear bit. The clear bits are defined below.
CLM0 Clear GCSR LM0 interrupt.
CLM1 Clear GCSR LM1 interrupt.
CSIG0 Clear GCSR SIG0 interrupt.
CSIG1 Clear GCSR SIG1 interrupt.
CSIG2 Clear GCSR SIG2 interrupt.
CSIG3 Clear GCSR SIG3 interrupt.
CDMA Clear DMA controller interrupt.
CVIA Clear VMEbus interrupter acknowledge interrupt.
ADR/SIZ $FFF40074 (8 bits of 32)
BIT 23 22 21 20 19 18 17 16
NAME CVIA CDMA CSIG3 CSIG2 CSIG1 CSIG0 CLM1 CLM0
OPER C C C C C C C C
RESET X X X X X X X X