Datasheet

500
1000
1500
2000
2500
0 16 32 48 64 80 96 112 128
V = 1.3 V
CC
Frequency – kHz
Value in CCSCTL2 Register
0.98
0.99
1
1.01
1.02
0 10 20 30 40 50
0.9 V
1.3 V
1.65 V
Frequency / Frequency
30°C
T – Temperature – °C
A
V
CC
MSP430L092
MSP430C09x
www.ti.com SLAS673 –SEPTEMBER 2010
High-Frequency Oscillator
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
f
HFOSC
V
CC
= 0.9 V to 1.65 V (minimum trim range via register) 0.75 1 1.25 MHz
f
HFOSC
V
CC
= 0.9 V to 1.65 V (trimmed at 30°C) 0.92 1 1.08 MHz
Duty cycle V
CC
= 0.9 V to 1.65 V 45 50 55 %
t
START
V
CC
= 0.9 V to 1.65 V 20 µs
Δf
HFOSC
/DT V
CC
= 0.9 V to 1.65 V, f
HFOSC
= 1 MHz ±0.07 ±0.15 %/°C
Δf
HFOSC
/ΔV
CC
V
CC
= 1.0 V to 1.65 V, f
HFOSC
= 1 MHz ±1 %/V
Δf
HFOSC
/ΔV
CC
V
CC
= 0.90 V to 1.0 V, f
HFOSC
= 1 MHz ±1 ±2.5 %/V
%/
Δf
HFOSC
/CALSTEP
(1)
V
CC
= 0.9 V to 1.65 V, f
HFOSC
= 1 MHz, ±64 calibration steps 0.1 1 4
Step
I
OSC
V
CC
= 0.9 V to 1.65 V, f
HFOSC
= 1 MHz 22 µA
(1) Normalized to typical frequency
Typical Characteristics – High-Frequency Oscillator
FREQUENCY vs TRIM SETTING
Figure 12.
FREQUENCY vs TEMPERATURE
Figure 13.
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