upd78f0730 Renesas Electronics Corporation., upd78f0730 Datasheet - Page 441

• Manufacturer Part Number: upd78f0730
• Description: 8-bit Single-chip Microcontroller
• Manufacturer: Renesas Electronics Corporation.

In 2.7 V/1.59 V POC mode (option byte: POCMODE = 1)
Supply voltage (V
Internal reset signal
V
Notes 1.
Remarks 1. <1> to <6> in Figure 17-5 above correspond to <1> to <6> in the description of “When starting
POC
POC reset signal
(set by software)
(set by software)
(set by software)
LVI reset signal
LVIRF flag
= 1.59 V (TYP.)
LVIMD flag
2.7 V (TYP.)
LVIMK flag
LVION flag
2.
3.
LVIF flag
2. For the
The LVIMK flag is set to “1” by reset signal generation.
The LVIF flag may be set (1).
LVIRF is bit 0 of the reset control flag register (RESF). For details of RESF, see CHAPTER 15 RESET
FUNCTION.
Note 3
V
DD
Figure 17-5. Timing of Low-Voltage Detector Internal Reset Signal Generation
LVI
operation” in 17.4.1 (1) When detecting level of supply voltage (V
(POCMODE = 1).
)
H
Note 1
µ
PD78F0730, be sure to set the 2.7 V/1.59 V POC mode by using the option byte
<1>
Note 2
<3>
<5>
CHAPTER 17 LOW-VOLTAGE DETECTOR
(Detects Level of Supply Voltage (V
<2>
<6>
<4> Wait time
Preliminary User’s Manual U19014EJ1V0UD
Not cleared
Not cleared
Cleared by
software
Not cleared
Not cleared
Cleared by
software
DD
))
DD
).
Clear
Clear
Clear
Time
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