upd78f0114hgb-8es-a Renesas Electronics Corporation., upd78f0114hgb-8es-a Datasheet - Page 371

• Manufacturer Part Number: upd78f0114hgb-8es-a
• Description: 8-bit Single-chip Microcontrollers
• Manufacturer: Renesas Electronics Corporation.

POC detection voltage
LVI detection voltage
Supply voltage (V
Notes 1.
Remark <1> to <6> in Figure 21-4 above correspond to <1> to <6> in the description of “when starting operation”
Internal reset signal
POC reset signal
(set by software)
(set by software)
(set by software)
LVI reset signal
LVIRF flag
2.
3.
LVIMD flag
LVIMK flag
LVION flag
LVIF flag
in 21.4 (1) When used as reset.
The LVIMK flag is set to “1” by RESET input.
The LVIF flag may be set (1).
LVIRF is bit 0 of the reset control flag register (RESF). For details of RESF, see CHAPTER 18
RESET FUNCTION.
(V
(V
Note 3
POC
Figure 21-4. Timing of Low-Voltage Detector Internal Reset Signal Generation
DD
LVI
)
)
)
<2>
H
Note 2
<1>
<3>
Note 1
<5>
<6>
CHAPTER 21 LOW-VOLTAGE DETECTOR
<4> 0.2 ms or longer
Not cleared
Not cleared
User’s Manual U16961EJ4V0UD
Cleared by
software
Not cleared
Not cleared
Cleared by
software
Clear
Clear
Clear
Time
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