upd78f0103hmca1-5a4-a Renesas Electronics Corporation., upd78f0103hmca1-5a4-a Datasheet - Page 322
upd78f0103hmca1-5a4-a
Manufacturer Part Number
upd78f0103hmca1-5a4-a
Description
8-bit Single-chip Microcontrollers
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.UPD78F0103HMCA1-5A4-A.pdf
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(2) Low-voltage detection level selection register (LVIS)
322
Address: FFBFH
Symbol
This register selects the low-voltage detection level.
This register can be set by an 8-bit memory manipulation instruction.
RESET input clears LVIS to 00H.
LVIS
Note Do not set V
Cautions 1.
LVIS3
Figure 19-3. Format of Low-Voltage Detection Level Selection Register (LVIS)
0
0
0
0
0
0
0
0
1
1
7
0
program of a mask ROM version of the 78K0/KB1 or when using the (A1) grade products.
After reset: 00H
2.
Be sure to clear bits 4 to 7 to 0.
Clear all port pins after the supply voltage (V
voltage (V
LVIS2
Other than above
0
0
0
0
1
1
1
1
0
0
6
0
LVI8
or V
LVI
CHAPTER 19 LOW-VOLTAGE DETECTOR
LVIS1
R/W
LVI9
) after POC release in the (A1) grade products.
0
0
1
1
0
0
1
1
0
0
5
0
when using the standard products and (A) grade products to evaluate the
User’s Manual U16846EJ3V0UD
LVIS0
0
1
0
1
0
1
0
1
0
1
4
0
V
V
V
V
V
V
V
V
V
V
Setting prohibited
LVI0
LVI1
LVI2
LVI3
LVI4
LVI5
LVI6
LVI7
LVI8
LVI9
LVIS3
3
(4.3 V ±0.2 V)
(4.1 V ±0.2 V)
(3.9 V ±0.2 V)
(3.7 V ±0.2 V)
(3.5 V ±0.2 V)
(3.3 V ±0.15 V)
(3.1 V ±0.15 V)
(2.85 V ±0.15 V)
(2.6 V ±0.1 V)
(2.35 V ±0.1 V)
LVIS2
Detection level
2
Note
Note
DD
) exceeds the preset detection
LVIS1
1
Note
LVIS0
0
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