upd78f0124m6gba1-8et Renesas Electronics Corporation., upd78f0124m6gba1-8et Datasheet - Page 389
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upd78f0124m6gba1-8et
Manufacturer Part Number
upd78f0124m6gba1-8et
Description
8-bit Single-chip Microcontrollers
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.UPD78F0124M6GBA1-8ET.pdf
(545 pages)
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CHAPTER 22 LOW-VOLTAGE DETECTOR
(b) When used as interrupt
Check that “supply voltage (V
) > detection voltage (V
)” in the servicing routine of the LVI interrupt by using bit
DD
LVI
0 (LVIF) of the low-voltage detection register (LVIM). Clear bit 0 (LVIIF) of interrupt request flag register 0L (IF0L)
to 0 and enable interrupts (EI).
In a system where the supply voltage fluctuation period is long in the vicinity of the LVI detection voltage, wait for
the supply voltage fluctuation period, check that “supply voltage (V
) > detection voltage (V
)” using the LVIF
DD
LVI
flag, and then enable interrupts (EI).
389
User’s Manual U16315EJ3V1UD
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