Datasheet

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 − Typical 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 − Typical Oscillation Frequency − MHz
MSP430G2x32
MSP430G2x02
SLAS723H –DECEMBER 2010–REVISED MAY 2013 www.ti.com
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 kΩ
(1)(2)
1400
fo
P1.x
Port output oscillation frequency 3 V kHz
P1.y, C
L
= 20 pF, R
L
= 100 kΩ
(1)(2)
900
P2.0 to P2.5, C
L
= 10 pF, R
L
= 100 kΩ
(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 kΩ
(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
kΩ
(1)(2)
(1) A resistive divider with two 50-kΩ 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.
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