upd78f0134hgka1-9et-a Renesas Electronics Corporation., upd78f0134hgka1-9et-a Datasheet - Page 414

• Manufacturer Part Number: upd78f0134hgka1-9et-a
• Description: 8-bit Single-chip Microcontrollers
• Manufacturer: Renesas Electronics Corporation.

414
POC detection voltage
LVI detection voltage
Supply voltage (V
Notes 1.
Remark <1> to <6> in Figure 23-4 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 23.4 (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 20
RESET FUNCTION.
(V
(V
Note 3
Figure 23-4. Timing of Low-Voltage Detector Internal Reset Signal Generation
POC
DD
LVI
)
)
)
<2>
H
Note 2
<1>
<3>
Note 1
<5>
<6>
CHAPTER 23 LOW-VOLTAGE DETECTOR
<4> 0.2 ms or longer
Not cleared
Not cleared
User’s Manual U16899EJ3V0UD
Cleared by
software
Not cleared
Not cleared
Cleared by
software
Clear
Clear
Clear
Time