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EM6621 Datasheet, PDF (63/69 Pages) EM Microelectronic - MARIN SA – Ultra Low Power Microcontroller with 4x20 LCD Driver
EM6621
Conditions: VDD=3.0V, T=25°C, with internal voltage regulator (unless otherwise specified)
Parameter
Conditions
Symbol Min. Typ. Max. Unit
ACTIVE Supply Current
(note2,3)
IVDDa2
2.6 3.5 µA
(in active mode with LCD on)
-20 ... 85°C (note2,3)
IVDDa2
4.5 µA
STANDBY Supply Current
(in Halt mode, LCDOff)
-20 ... 85°C
IVDDh2
IVDDh2
0.5 0.8 µA
0.95 µA
SLEEP Supply Current
-20 ... 85°C
IVDDs2
IVDDs2
0.1 0.3 µA
0.35 µA
POR static level
-20 ... 85°C, No Load on Vreg VPOR2
1.0 1.25 V
RAM data retention
-20 ... 85°C
Vrd2
1.2
V
Regulated voltage
Halt mode, No Load
Vreg
1.2 1.4 1.7
V
Note 2: LCD Display not connected.
Note 3: The instruction loop described in chapter 17 is used for these tests. The oscillator is externally driven
on a frequency of 32.768 KHz and an amplitude of Vreg voltage.
20.5 Supply Voltage Level Detector
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
Conditions Symbol
-10 to 60°C VSVLD1
-10 to 60°C VSVLD2
-10 to 60°C VSVLD3
-10 to 60°C
-10 to 60°C
-10 to 60°C
-10 to 60°C
-10 to 60°C
VSVLD4
VSVLD5
VSVLD6
VSVLD7
VSVLD8
0 to 50°C
Min.
3.65
2.70
2.20
1.82
1.62
1.39
1.25
1.11
Typ.
4.01
2.99
2.42
2.01
1.77
1.54
1.37
1.22
< +/- 0.2
Max.
4.35
3.27
2.65
2.20
1.93
1.68
1.49
1.34
Unit
V
V
V
V
V
V
V
V
mV/°C
20.6 Oscillator
Conditions: T=25°C (unless otherwise specified)
Parameter
Conditions
Symbol
Min. Typ.
Temperature stability
+15 ... +35 °C
df/f x dT
Voltage stability (note 5) VDD=1,4 - 1,6 V df/f x dU
Input capacitor
Ref. on VSS
Cin
5,6
7
Output capacitor
Ref. on VSS
Cout
12,1
14
Transconductance
50mVpp,VDDmin Gm
2.5
Oscillator start voltage Tstart < 10 s
Ustart
VDDmin
Oscillator start time
VDD > VDDMin
tdosc
0.5
System start time
tdsys
1.5
(oscillator + cold-start +
reset)
Oscillation detector
frequency
VDD > VDDmin
tDetFreq
Note 5 ; Applicable only for the versions without the internal voltage regulator
Max.
0,3
5
8,4
15,9
15.0
3
4
12
Unit
ppm /°C
ppm /V
pF
pF
µA/V
V
s
s
kHz
Copyright  2002, EM Microelectronic-Marin SA
63
03/02 REV. D/444
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