tmp89ch42 TOSHIBA Semiconductor CORPORATION, tmp89ch42 Datasheet - Page 334

• Manufacturer Part Number: tmp89ch42
• Description: 8 Bit Microcontroller Tlcs-870/c1 Series
• Manufacturer: TOSHIBA Semiconductor CORPORATION

22.6
Voltage Detecting Circuit Characteristics
RA005
22.6
Note:Care must be taken in system designing since the power-on reset circuit may not fulfill its functions due to the
Voltage Detecting Circuit Characteristics
Voltage detection reset signal
Signal to request the voltage
detection interrupt
Symbol
t
t
t
VLTOFF
VLTPW
fluctuations in the power supply voltage (V
VLTON
Level of detected voltage
Figure 22-3 Operation Timing of the Voltage Detecting Circuit
Operating voltage
Power supply voltage (V
Voltage detection releasing response time
Voltage detecting detection response time
Voltage detecting minimum pulse width
Parameter
DD
)
DD
).
Page 320
t
VLTON
Min.
1.0
t
−
−
VLTPW
t
Typ.
0.01
0.01
VLTOFF
−
(V
SS
= 0 V, Topr = −40 to 85°C)
Max.
0.1
0.1
−
TMP89CH42
Unit
ms