668-0010 Rabbit Semiconductor, 668-0010 Datasheet - Page 232
668-0010
Manufacturer Part Number
668-0010
Description
IC MPU RABIT3000 55.5MHZ 128LQFP
Manufacturer
Rabbit Semiconductor
Datasheet
1.20-668-0011.pdf
(312 pages)
Specifications of 668-0010
Rohs Status
RoHS non-compliant
Processor Type
Rabbit 3000 8-Bit
Speed
55.5MHz
Voltage
2.5V, 2.7V, 3V, 3.3V
Mounting Type
Surface Mount
Package / Case
128-LQFP
Features
-
Other names
316-1016
- Current page: 232 of 312
- Download datasheet (2Mb)
26.3.7 Handling Interrupts in the System/User Mode
Interrupts, RST s, SYSCALL , and SCALL all enter the System Mode automatically. There
will be times, however, that an interrupt should be handled in the User Mode. The solution
to this is for System Mode interrupt vector to reenter the User Mode before calling the
User Mode interrupt handler. An example of both system and user interrupt handling is
shown in Figure 26-4.
When enabled for User Mode access, a peripheral interrupt (if it is capable of generating
an interrupt) can only be requested at Priority 2 or 1.
Figure 26-4. Interrupt Handing in the System/User Mode
222
Rabbit 3000 Microprocessor User’s Manual
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