Heavy Load Protection Function; Operation Of Heavy Load Protection Function - Epson E0C6001 Technical Manual

Cmos 4-bit single chip microcomputer
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CHAPTER 4: PERIPHERAL CIRCUITS AND OPERATION
Operation of heavy
load protection
function

4.8 Heavy Load Protection Function

The E0C6001 Series have a heavy load protection function
for when the battery load becomes heavy and the supply
voltage drops, such as when an external buzzer sounds or
an external lamp lights. This function works in the heavy
load protection mode.
The normal mode changes to the heavy load protection mode
in the following case:
• When the software changes the mode to the heavy load
protection mode (HLMOD = 1)
In the heavy load protection mode, the internally regulated
voltage is switched to the high-stability mode from the low
current consumption mode. Consequently, more current is
consumed in the heavy load protection mode than in the
normal mode. Unless necessary, do not select the heavy
load protection mode with the software.
(Heavy Load Protection Function)
I-49

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