Texas Instruments IC MCU 16B MSP430G2202IN20 PDIP-20 TID MSP430G2202IN20 데이터 시트

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MSP430G2202IN20
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페이지 60
C
LOAD
− External Capacitance − pF
0.00
0.15
0.30
0.45
0.60
0.75
0.90
1.05
1.20
1.35
1.50
10
50
100
P1.y
P2.0 ... P2.5
P2.6, P2.7
V
CC
= 2.2 V
TYPICAL OSCILLATING FREQUENCY
vs
LOAD CAPACITANCE
fosc
T
ypical Oscillation Frequency
MHz
C
LOAD
− External Capacitance − pF
0.00
0.15
0.30
0.45
0.60
0.75
0.90
1.05
1.20
1.35
1.50
10
50
100
P1.y
P2.0 ... P2.5
P2.6, P2.7
V
CC
= 3.0 V
TYPICAL OSCILLATING FREQUENCY
vs
LOAD CAPACITANCE
fosc
T
ypical Oscillation Frequency
MHz
MSP430G2x32
MSP430G2x02
SLAS723H – DECEMBER 2010 – REVISED MAY 2013
Pin-Oscillator Frequency – Ports Px
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)
PARAMETER
TEST CONDITIONS
V
CC
MIN
TYP
MAX
UNIT
P1.y, C
L
= 10 pF, R
L
= 100 k
Ω
(1) (2)
1400
fo
P1.x
Port output oscillation frequency
3 V
kHz
P1.y, C
L
= 20 pF, R
L
= 100 k
Ω
(1) (2)
900
P2.0 to P2.5, C
L
= 10 pF, R
L
= 100 k
Ω
(1) (2)
1800
fo
P2.x
Port output oscillation frequency
3 V
kHz
P2.0 to P2.5, C
L
= 20 pF, R
L
= 100 k
Ω
(1) (2)
1000
P2.6 and P2.7, C
L
= 20 pF, R
L
= 100
fo
P2.6/7
Port output oscillation frequency
3 V
700
kHz
k
Ω
(1) (2)
(1)
A resistive divider with two 50-k
Ω
resistors between V
CC
and V
SS
is used as load. The output is connected to the center tap of the
divider.
(2)
The output voltage oscillates with a typical amplitude of 700 mV at the specified toggle frequency.
Typical Characteristics – Pin-Oscillator Frequency
Figure 10.
Figure 11.
22
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