mb95r203a Fujitsu Microelectronics, Inc., mb95r203a Datasheet - Page 37

• Manufacturer Part Number: mb95r203a
• Description: 8-bit Proprietary Microcontrollers
• Manufacturer: Fujitsu Microelectronics, Inc.

* : LS1 and LS0 mean the LS1 bit and the LS0 bit (bit1 and bit0) for the low voltage detection interrupt control
DS07-12630-1E
(8) Low Voltage Detection
Low voltage
detection reset
FRAM power
supply monitor
Low voltage
detection
interrupt
Power-supply start voltage
Power-supply end voltage
Power-supply voltage
change time
Power-supply voltage
change time
Reset release delay time
Reset detection delay time
(at power supply rise)
(at power supply fall)
register (LVDCR) respectively.
Parameter
Release voltage
Detection voltage
Hysteresis width
Release voltage
Detection voltage
Hysteresis width
Release voltage
Detection voltage
Hysteresis width
Symbol
V
V
V
V
V
V
V
V
V
V
V
t
t
HYS
HYS
HYS
DL+
DL−
DL+
DL−
DL+
DL−
t
t
d1
d2
off
on
r
f
1.75
1.65
Min
1.8
1.7
2.2
2.4
2.6
2.8
2.1
2.3
2.5
2.7
2.0
0.3
0.3
70
70
70
⎯
⎯
⎯
⎯
⎯
Value
1.85
1.75
Typ
100
100
100
200
200
1.9
1.8
2.3
2.5
2.7
2.9
2.2
2.4
2.6
2.8
⎯
⎯
⎯
⎯
⎯
⎯
Max
1.95
1.85
300
2.0
1.9
2.4
2.6
2.8
3.0
2.3
2.5
2.7
2.9
1.2
20
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
Unit
mV
mV
mV
μs
μs
μs
μs
μs
μs
V
V
V
V
V
V
V
V
V
V
V
V
V
V
(V
At power-supply rise
At power-supply fall
At power-supply rise
At power-supply fall
At LS1 = 0, LS0 = 0, power-sup-
ply rise*
At LS1 = 0, LS0 = 1, power-sup-
ply rise*
At LS1 = 1, LS0 = 0, power-sup-
ply rise*
At LS1 = 1, LS0 = 1, power-sup-
ply rise*
At LS1 = 0, LS0 = 0, power-sup-
ply fall*
At LS1 = 0, LS0 = 1, power-sup-
ply fall*
At LS1 = 1, LS0 = 0, power-sup-
ply fall*
At LS1 = 1, LS0 = 1, power-sup-
ply fall*
Slope of power supply that
reset release signal generates
Slope of power supply that
reset release signal generates
within rating (V1
Slope of power supply that
reset detection signal generates
Slope of power supply that
reset detection signal generates
within rating (V1
SS
= 0.0 V, T
MB95R203A
Remarks
A
= −40 °C to +85 °C)
DL+
DL−
, V2
, V2
DL+
DL−
)
)
37