MSP430G2955
MSP430G2855
MSP430G2755
SLAS800 –MARCH 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
VCC
MIN
TYP
1400
900
MAX UNIT
P1.y, CL = 10 pF, RL = 100 kΩ(1)(2)
P1.y, CL = 20 pF, RL = 100 kΩ(1)(2)
P2.0 to P2.5, CL = 10 pF, RL = 100 kΩ(1)(2)
P2.0 to P2.5, CL = 20 pF, RL = 100 kΩ(1)(2)
P2.6 and P2.7, CL = 20 pF, RL = 100 kΩ(1)(2)
P3.y, CL = 10 pF, RL = 100 kΩ(1)(2)
P3.y, CL = 20 pF, RL = 100 kΩ(1)(2)
P4.y, CL = 10 pF, RL = 100 kΩ(1)(2)
P4.y, CL = 20 pF, RL = 100 kΩ(1)(2)
foP1.x
Port output oscillation frequency
3 V
kHz
1800
1000
700
foP2.x
foP2.6/7
foP3.x
Port output oscillation frequency
Port output oscillation frequency
Port output oscillation frequency
3 V
3 V
3 V
kHz
kHz
kHz
1800
1000
1800
1000
foP4.x
Port output oscillation frequency
3 V
kHz
(1) A resistive divider with two 50-kΩ resistors between VCC and VSS is used as load. The output is connected to the center tap of the
divider.
(2) The output voltage reaches at least 10% and 90% VCC at the specified toggle frequency.
Typical Characteristics, Pin-Oscillator Frequency
TYPICAL OSCILLATING FREQUENCY
TYPICAL OSCILLATING FREQUENCY
vs
vs
LOAD CAPACITANCE
LOAD CAPACITANCE
1.50
1.35
1.20
1.05
0.90
0.75
0.60
0.45
0.30
0.15
0.00
1.50
1.35
1.20
1.05
0.90
0.75
0.60
0.45
0.30
0.15
0.00
V
CC
= 3.0 V
V
CC
= 2.2 V
P1.y
P1.y
P2.0 to P2.5
P2.0 to P2.5
P2.6 and P2.7
P2.6 and P2.7
10
50
100
10
50
100
C
LOAD
− External Capacitance − pF
C
LOAD
− External Capacitance − pF
A. One output active at a time.
A. One output active at a time.
Figure 10.
Figure 11.
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