6 INITERRUPT CONTROLLER
S1C17001 TECHNICAL MANUAL
EPSON
53
6.8 Precautions
• To prevent the recurrence of interrupts due to the same interrupt factor, always reset the interrupt flag before per-
mitting interrupts, resetting PSR, or executing the
reti
command.
• The S1C17001 interrupts listed below are in level trigger mode.
- P0 port interrupt
- P1 port interrupt
- Stopwatch timer interrupt
- Clock timer interrupt
- 8-bit OSC1 timer interrupt
- PWM & capture timer interrupt
Make sure all EITG
x
bits within the ITC_ELV
x
registers (0x4306 to 0x430c) have been set to 1 (level trigger
mode).
The interrupt flag within peripheral modules must be reset (to 1) within the interrupt processing routine rather
than EIFT
x
. For more information on interrupt flags for resetting, refer to the peripheral module description.
Содержание S1C17001
Страница 1: ...Technical Manual S1C17001 CMOS 16 BIT SINGLE CHIP MICROCONTROLLER ...
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