Heavy Load Protection Function; Heavy Load Protection Function Memory Map - Epson E0C6001 Technical Manual

Heavy load protec-
tion function mem-
ory map
Table 3.7.1 I/O memory map
Address
D3
HLMOD
R/W
0FAH
*1 Initial value following initial reset
*2 Not set in the circuit
*3 Undefined
*4 Reset (0) immediately after being read
*5 Always 0 when being read
*6 Refer to main manual
Heavy load protec-
tion function
CHAPTER 3: PERIPHERAL CIRCUITS (Heavy Load Protection Function)
3.7

Heavy Load Protection Function

Register
D2 D1 D0 Name
0 0 0 HLMOD
R
0
0
0
The E0C6001 has the heavy load protection function for
when the battery load becomes heavy and the source voltage
changes, such as when an external buzzer sounds or an
external lamp lights. The state where the heavy load protec-
tion function is in effect is called the heavy load protection
mode. Compared with the normal operation mode, this mode
can reduce the output voltage variation of the internal regu-
lated voltage and spend more power consumption.
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")
SR *1 1 0
0 Heavy Normal
load load
*5
*5
*5
Comment
Heavy load protection mode register
II-37