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2.3 Interrupts


Table 4: Interrupts
Interrupt Description Use
NMI Non-Maskable Interrupt  
INT   currently not trapped
EI1 External Interrupt 1 CDMS Address Word Interrupt
PSU Parameter Stack Underflow INT currently not trapped
RSU Return Stack Underflow INT currently not trapped
PSV Parameter Stack Overflow INT currently not trapped
RSV Return Stack Overflow INT currently not trapped
EI2 External Interrupt 2 CDMS Command Word Received Interrupt
TCI0 Timer Counter 0 MUX Scheduler, ADC Sampler
TCI1 Timer Counter 1 currently not used
TCI2 Timer Counter 2 interval-timing for actuators
EI3 External Interrupt 3 CDMS Data Word Transmitted Interrupt
EI4 External Interrupt 4 Interrupt for Touch-Down Signal (Landing Gear)
EI5 External Interrupt 5 ADC Interrupt
SWI Software interrupt currently not used



next up previous contents
Next: 2.4 Control Register Up: 2 Hardware Description (Electronics) Previous: 2.2 Memory Map   Contents
Peter Schmid 2001-05-18