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22 ELECTRICAL CHARACTERISTICS
IOSC oscillation frequency-temperature characteristic
V
= 1.8 to 5.5 V, PWGACTL.REGSEL bit = 1, Typ. value
DD
9
8
7
6
5
4
3
2
1
0
-50
-25
0
OSC1 oscillator circuit characteristics
Unless otherwise specified: V
DD
Item
Crystal oscillator
oscillation start time
*1
Crystal oscillator
internal gate capacitance
Crystal oscillator
internal drain capacitance
Crystal oscillator
oscillator circuit
current - oscillation inverter
drivability ratio
*1
Crystal oscillator
oscillation stop detector current
Internal oscillator
oscillation start time
Internal oscillator
oscillation frequency
*1 CLGOSC1.CGI1[2:0] bits = 0x0, Crystal resonator = C-002RX (manufactured by Seiko Epson Corporation, R
22-6
CLGIOSC.IOSCFQ[1:0] bits = 0x2
0x1
0x0
25
50
75
100
Ta [°C]
= 1.8 to 5.5 V, V
= 0 V, Ta = 25°C
SS
Symbol
t
CLGOSC1.OSC1SELCR bit = 0,
sta1C
CLGOSC1.INV1N[1:0] bits = 0x1,
CLGOSC1.INV1B[1:0] bits = 0x2,
CLGOSC1.OSC1BUP bit = 1
C
CLGOSC1.OSC1SELCR bit = 0,
GI1C
CLGOSC1.CGI1[2:0] bits = 0x0
CLGOSC1.OSC1SELCR bit = 0,
CLGOSC1.CGI1[2:0] bits = 0x1
CLGOSC1.OSC1SELCR bit = 0,
CLGOSC1.CGI1[2:0] bits = 0x2
CLGOSC1.OSC1SELCR bit = 0,
CLGOSC1.CGI1[2:0] bits = 0x3
CLGOSC1.OSC1SELCR bit = 0,
CLGOSC1.CGI1[2:0] bits = 0x4
CLGOSC1.OSC1SELCR bit = 0,
CLGOSC1.CGI1[2:0] bits = 0x5
CLGOSC1.OSC1SELCR bit = 0,
CLGOSC1.CGI1[2:0] bits = 0x6
CLGOSC1.OSC1SELCR bit = 0,
CLGOSC1.CGI1[2:0] bits = 0x7
C
CLGOSC1.OSC1SELCR bit = 0,
DI1C
I
CLGOSC1.OSC1SELCR bit = 0,
OSC1C
CLGOSC1.INV1N/INV1B[1:0] bits = 0x0
CLGOSC1.OSC1SELCR bit = 0,
CLGOSC1.INV1N/INV1B[1:0] bits = 0x1 (reference)
CLGOSC1.OSC1SELCR bit = 0,
CLGOSC1.INV1N/INV1B[1:0] bits = 0x2
CLGOSC1.OSC1SELCR bit = 0,
CLGOSC1.INV1N/INV1B[1:0] bits = 0x3
I
CLGOSC1.OSC1SELCR bit = 0,
OSD1C
CLGOSC1.OSDEN bit = 1
t
CLGOSC1.OSC1SELCR bit = 1
sta1I
f
CLGOSC1.OSC1SELCR bit = 1
OSC1I
Seiko Epson Corporation
V
= 1.8 to 5.5 V, PWGACTL.REGSEL bit = 0, Typ. value
DD
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
-50
-25
0
Condition
S1C31D50/D51 TECHNICAL MANUAL
CLGIOSC.IOSCFQ[1:0] bits = 0x1
0x0
25
50
75
100
Ta [°C]
Min.
Typ.
Max.
–
–
3
–
12
–
–
14
–
–
16
–
–
18
–
–
19
–
–
21
–
–
23
–
–
24
–
–
6
–
–
70
–
–
100
–
–
130
–
–
300
–
–
0.025
0.1
–
–
100
31.04
32
32.96
= 50 kW (Max.), C
= 7 pF)
1
L
(Rev. 2.00)
Unit
s
pF
pF
pF
pF
pF
pF
pF
pF
pF
%
%
%
%
µA
µs
kHz
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