Computer Hardware User's Guide

CPU Multiport Register File
3-10
Table 3–3. IE Bits and Functions
Abbreviation
Reset
Value
Description
EINT0 (CPU) 0 CPU external interrupt 0 enable
EINT1 (CPU) 0 CPU external interrupt 1 enable
EINT2 (CPU) 0 CPU external interrupt 2 enable
EINT3 (CPU) 0 CPU external interrupt 3 enable
EXINT0 (CPU) 0 CPU serial port 0 transmit interrupt enable
ERINT0 (CPU) 0 CPU serial port 0 receive interrupt enable
EXINT1 (CPU) 0 CPU serial port 1 transmit interrupt enable (’C30 only)
ERINT1 (CPU) 0 CPU serial port 1 receive interrupt enable (’C30 only)
ETINT0 (CPU) 0 CPU timer0 interrupt enable
ETINT1 (CPU) 0 CPU timer1 interrupt enable
EDINT (CPU) 0 CPU DMA controller interrupt enable
(’C30 and ’C31 only)
EDINT0 (CPU) 0 CPU DMA0 controller interrupt enable (’C32 only)
EDINT1 (CPU) 0 CPU DMA1 controller interrupt enable (’C32 only)
EINT0 (DMA) 0 DMA external interrupt 0 enable (’C30 and ’C31 only)
EINT1 (DMA) 0 DMA external interrupt 1 enable (’C30 and ’C31 only)
EINT2 (DMA) 0 DMA external interrupt 2 enable (’C30 and ’C31 only)
EINT3 (DMA) 0 DMA external interrupt 3 enable (’C30 and ’C31 only)
EINT0 (DMA0) 0 DMA0 external interrupt 0 enable (’C32 only)
EINT1 (DMA0) 0 DMA0 external interrupt 1 enable (’C32 only)
EINT2 (DMA0) 0 DMA0 external interrupt 2 enable (’C32 only)
EINT3 (DMA0) 0 DMA0 external interrupt 3 enable (’C32 only)
EXINT0 (DMA) 0 DMA serial port 0 transmit interrupt enable
(’C30 and ’C31 only)
ERINT0 (DMA) 0 DMA serial port 0 receive interrupt enable
(’C30 and ’C31 only)
EXINT1 (DMA) 0 DMA serial port 1 transmit interrupt enable (’C30 only)
ERINT1 (DMA) 0 DMA serial port 1 receive interrupt enable (’C30 only)
EXINT0 (DMA0) 0 DMA0 serial port 1 transmit interrupt enable (’C32 only)
ERINT0 (DMA1)
0 DMA1 serial port 1 receive interrupt enable (’C32 only)