upd78f0124hgba1-8et-a Renesas Electronics Corporation., upd78f0124hgba1-8et-a Datasheet - Page 376
upd78f0124hgba1-8et-a
Manufacturer Part Number
upd78f0124hgba1-8et-a
Description
8-bit Single-chip Microcontrollers
Manufacturer
Renesas Electronics Corporation.
Datasheet
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POC detection voltage
LVI detection voltage
Supply voltage (V
Notes 1.
Remark <1> to <6> in Figure 22-4 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.
LVIMK flag
LVION flag
LVIMD flag
LVIF flag
in 22.4 (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 19
RESET FUNCTION.
(V
(V
Note 3
Figure 22-4. Timing of Low-Voltage Detector Internal Reset Signal Generation
POC
DD
LVI
)
)
)
<2>
H
Note 2
<1>
<3>
Note 1
<5>
<6>
CHAPTER 22 LOW-VOLTAGE DETECTOR
<4> 0.2 ms or longer
Not cleared
Not cleared
User’s Manual U16962EJ3V0UD
Cleared by
software
Not cleared
Not cleared
Cleared by
software
Clear
Clear
Clear
Time
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