Sundance SMT335E - Manual (Page 13)

Version 1.5 Page 13 of 53 SMT335E SMT375E User Manual
IFBM=0 not empty
CPx IE(bit 0)
Comm-port Input FIFO
Interrupt Enable
IFBM=1 8 words available
OFBM=0 not full
CPx IE (bit 1)
Comm-port Output FIFO
Interrupt Enable
OFBM=1 8 spaces available
SDBx IE (bit 0) SDB IFLAG Interrupt Enable ≥ IFLAGLEVEL words available
SDBx IE (bit 1) SDB OFLAG Interrupt Enable ≥ OFLAGLEVEL spaces available
GB IE Global Bus Interrupt Enable STAT = 1
TCLKn IE TIM clock interrupt enable See TIM specification [3]
IIOFn IE External line interrupt enable See TIM specification [3]
It is possible to map more than one condition to an interrupt line. For example, you
might map all of the comm-port conditions to a single interrupt line and then use the
Global Status Register to find which condition or conditions had caused the interrupt.