em6521 EM Microelectronic, em6521 Datasheet - Page 64

• Manufacturer Part Number: em6521
• Description: Mfp Version Of Em6621 Ultra Low Power Microcontroller With 4x20 Lcd Driver
• Manufacturer: EM Microelectronic

20.5 Supply Voltage Level Detector
Note 4 : Level which may not be reached anymore because it can be lower than V
Note 5 : This levels can not be reached with the EM6521, (software compatibility EM6621)
20.6 Oscillator
Conditions: T=25 ° C (unless otherwise specified)
Copyright © 2005, EM Microelectronic-Marin SA
Parameter
SVLD voltage Level1
SVLD voltage Level2
SVLD voltage Level3
SVLD voltage Level4
SVLD voltage Level5
SVLD voltage Level6
SVLD voltage Level7
SVLD voltage Level8
Temperature coefficient
Parameter
Temperature stability
Input capacitor
Output capacitor
Transconductance
Oscillator start voltage
Oscillator start time
System start time
(oscillator + cold start +
reset)
Oscillation detector
frequency
R
Conditions
Ref V
Ref V
50mVpp, V
Tstart < 10 s
V
V
+15 ... +35 °C
DD
DD
> V
> V
Conditions Symbol
0 ... 60°C
0 ... 60°C
0 ... 60°C
Note 4
Note 5
Note 5
Note 5
Note 5
SS
SS
DD
DD
Min
min
DD
min
V
V
V
V
V
V
V
V
Symb.
t
df/f x dT
Cin
Cout
Gm
Ustart
tdosc
tdsys
DetFreq
SVLD1
SVLD2
SVLD3
SVLD4
SVLD5
SVLD6
SVLD7
SVLD8
64
Min.
3.65
2.70
2.20
1.82
1.62
1.39
1.25
1.11
V
Min.
5,6
12,1
2.5
DD
min
7
14
0.5
1.5
Typ.
+/- 0.2
Typ.
4.01
2.99
2.42
2.01
1.77
1.54
1.37
1.22
DD
min.
15.0
0,3
8,4
15,9
3
4
12
Max.
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Max.
4.35
3.27
2.65
2.20
1.93
1.68
1.49
1.34
EM6521
s
Unit
ppm /°C
pF
pF
µA/V
V
s
kHz
Unit
mV/ ° C
V
V
V
V
V
V
V
V