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Rev. 0.5 107
C8051F340/1/2/3/4/5/6/7
Table 11.1. Reset Electrical Characteristics
–40 to +85 °C unless otherwise specified.
Parameter Conditions Min Typ Max Units
/RST Output Low Voltage
I
OL
= 8.5 mA, V
DD
= 2.7 to 3.6 V
0.6 V
/RST Input High Voltage
0.7 x V
DD
V
/RST Input Low Voltage
0.3 x V
DD
/RST Input Pull-Up Current /RST = 0.0 V 25 40 µA
V
DD
POR Threshold (V
RST
)
2.40 2.55 2.70 V
Missing Clock Detector Tim-
eout
Time from last system clock ris-
ing edge to reset initiation
100 220 500 µs
Reset Time Delay
Delay between release of any
reset source and code execution
at location 0x0000
5.0 µs
Minimum /RST Low Time to
Generate a System Reset
15 µs
V
DD
Monitor Turn-on Time
100 µs
V
DD
Monitor Supply Current
20 50 µA