22 ELECTRICAL CHARACTERISTICS
22-4
Seiko Epson Corporation
S1C31D50/D51 TECHNICAL MANUAL
(Rev. 2.00)
Current consumption-temperature characteristic Current consumption-temperature characteristic
in RUN mode (IOSC operation)
in RUN mode (IOSC operation)
IOSC = ON, OSC1 = 32.768 kHz, OSC3 = OFF
IOSC = ON, OSC1 = 32.768 kHz, OSC3 = OFF
PWGACTL.REGSEL bit = 1 (mode0), Typ. value
PWGACTL.REGSEL bit = 0 (mode1), Typ. value
8 MHz
-50
2,500
2,000
1,500
1,000
500
0
-25
0
25
50
75
100
Ta [
°
C]
I
R
UN1
[
µ
A]
-50
400
300
200
100
0
-25
0
25
50
75
100
Ta [
°
C]
I
R
UN3
[
µ
A]
2 MHz
1 MHz
Current consumption-temperature characteristic Current consumption-temperature characteristic
in RUN mode (OSC1 operation)
in RUN mode (OSC3 operation)
IOSC = OFF, OSC1 = 32.768 kHz, OSC3 = OFF, Typ. value
IOSC = OFF, OSC1 = 32.768 kHz, OSC3 = ON (internal oscillator),
Typ. value
0
-50
14
12
10
8
6
4
2
0
-25
0
25
50
75
100
Ta [
°
C]
I
R
UN4
[
µ
A]
CLGOSC1.OSC1SELCR
ビット
= 1
-50
4,500
4,000
3,500
3,000
2,500
2,000
1,500
1,000
500
0
-25
0
25
50
75
100
Ta [
°
C]
I
R
UN7
[
µ
A]
8 MHz
16 MHz
4 MHz
22.4 System Reset Controller (SRC) Characteristics
#RESET pin characteristics
Unless otherwise specified: V
DD
= 1.8 to 5.5 V, V
SS
= 0 V, Ta = -40 to 85
°
C
Item
Symbol
Condition
Min.
Typ.
Max.
Unit
High level Schmitt input threshold voltage V
T+
0.5
×
V
DD
–
0.8
×
V
DD
V
Low level Schmitt input threshold voltage V
T-
0.2
×
V
DD
–
0.5
×
V
DD
V
Schmitt input hysteresis voltage
D
V
T
180
–
–
mV
Input pull-up resistance
R
IN
100
270
500
k
W
Pin capacitance
C
IN
–
–
15
pF
Reset Low pulse width
t
SR
5
–
–
µs
#RESET
t
SR
V
T+
V
T-