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22 ELECTRICAL CHARACTERISTICS
Current consumption-temperature characteristic
in RUN mode (IOSC operation)
IOSC = ON, OSC1 = 32.768 kHz, OSC3 = OFF
PWGACTL.REGSEL bit = 1 (mode0), Typ. value
2,500
2,000
1,500
1,000
500
0
-50
-25
0
Current consumption-temperature characteristic
in RUN mode (OSC1 operation)
IOSC = OFF, OSC1 = 32.768 kHz, OSC3 = OFF, Typ. value
14
CLGOSC1.OSC1SELCRビッ ト = 1
12
10
8
6
4
2
0
-50
-25
0
22.4 System Reset Controller (SRC) Characteristics
#RESET pin characteristics
Unless otherwise specified: V
DD
Item
High level Schmitt input threshold voltage V
Low level Schmitt input threshold voltage
Schmitt input hysteresis voltage
Input pull-up resistance
Pin capacitance
Reset Low pulse width
22-4
8 MHz
25
50
75
100
Ta [°C]
0
25
50
75
100
Ta [°C]
= 1.8 to 5.5 V, V
= 0 V, Ta = -40 to 85°C
SS
Symbol
T+
V
T-
DV
T
R
IN
C
IN
t
SR
#RESET
V
T-
Seiko Epson Corporation
Current consumption-temperature characteristic
in RUN mode (IOSC operation)
IOSC = ON, OSC1 = 32.768 kHz, OSC3 = OFF
PWGACTL.REGSEL bit = 0 (mode1), Typ. value
400
300
200
100
0
-50
-25
0
Current consumption-temperature characteristic
in RUN mode (OSC3 operation)
IOSC = OFF, OSC1 = 32.768 kHz, OSC3 = ON (internal oscillator),
Typ. value
4,500
4,000
3,500
3,000
2,500
2,000
1,500
1,000
500
0
-50
-25
0
Condition
Min.
0.5 × V
0.2 × V
180
100
–
5
t
SR
V
T+
S1C31D50/D51 TECHNICAL MANUAL
2 MHz
1 MHz
25
50
75
100
Ta [°C]
16 MHz
8 MHz
4 MHz
25
50
75
100
Ta [°C]
Typ.
Max.
Unit
–
0.8 × V
V
DD
DD
–
0.5 × V
V
DD
DD
–
–
mV
270
500
kW
–
15
pF
–
–
µs
(Rev. 2.00)
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