MSP 44x8G
PRELIMINARY DATA SHEET
4.6.3.3. Reset Input and Power-Up
Symbol
Parameter
Pin Name
Min.
Typ.
Max.
Unit
Test Conditions
RESETQ Input Levels
V
V
Reset High-Low Transition Voltage RESETQ
Reset Low-High Transition Voltage
Input Impedance
0.45
0.7
0.55
0.8
5
V
V
RHL
RLH
RES
RES
SUP2
SUP2
Z
pF
I
Input Pin Leakage Current
-1
1
µA
0 V < U
< DVSUP
INPUT
DVSUP
AVSUP
V
− 10%
SUP2
t/ms
Low-to-High
Threshold
RESETQ
Note: The reset should
not reach high level
before the oscillator has
started. This requires a
reset delay of >2 ms
0.7×V
SUP2
0.45...0.55×V
SUP2
High-to-Low
Threshold
0.7 x VSUP2 means
3.5 Volt with
VSUP2 = 5.0 V
t/ms
Reset Delay
>2 ms
Internal
Reset
High
Low
t/ms
Fig. 4–20: Power-up sequence
56
Micronas
MICRONAS [ MICRONAS ]
