Datasheet

PRODUCTPREVIEW
MSP432P401R, MSP432P401M
SLAS826 –MARCH 2015 www.ti.com
Table 5-21. DCO
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)
PARAMETER TEST CONDITIONS V
CC
, T
A
MIN TYP MAX UNIT
Internal resistor option 3.0 V
DCO frequency center
1.4925 1.5 1.5075
DCORSEL = 0, DCOTUNE = 0 25°C
range 0 initial accuracy ,
f
RSEL0_CTR
MHz
with trimmed factory
External resistor option 3.0 V
1.4925 1.5 1.5075
settings
DCORSEL = 0, DCOTUNE = 0 25°C
Internal resistor option 3.0 V
DCO frequency center
2.985 3 3.015
DCORSEL = 1, DCOTUNE = 0 25°C
range 1 initial accuracy ,
f
RSEL1_CTR
MHz
with trimmed factory
External resistor option 3.0 V
2.985 3 3.015
settings
DCORSEL = 1, DCOTUNE = 0 25°C
Internal resistor option 3.0 V
DCO frequency center
5.97 6 6.03
DCORSEL = 2, DCOTUNE = 0 25°C
range 2 initial accuracy ,
f
RSEL2_CTR
MHz
with trimmed factory
External resistor option 3.0 V
5.97 6 6.03
settings
DCORSEL = 2, DCOTUNE = 0 25°C
Internal resistor option 3.0 V
DCO frequency center
11.94 12 12.06
DCORSEL = 3, DCOTUNE = 0 25°C
range 3 initial accuracy ,
f
RSEL3_CTR
MHz
with trimmed factory
External resistor option 3.0 V
11.94 12 12.06
settings
DCORSEL = 3, DCOTUNE = 0 25°C
Internal resistor option 3.0 V
DCO frequency center
23.88 24 24.12
DCORSEL = 4, DCOTUNE = 0 25°C
range 4 initial accuracy ,
f
RSEL4_CTR
MHz
with trimmed factory
External resistor option 3.0 V
23.88 24 24.12
settings
DCORSEL = 4, DCOTUNE = 0 25°C
Internal resistor option 3.0 V
DCO frequency center
47.76 48 48.24
DCORSEL = 5, DCOTUNE = 0 25°C
range 5 initial accuracy ,
f
RSEL5_CTR
MHz
with trimmed factory
External resistor option 3.0 V
47.76 48 48.24
settings
DCORSEL = 5, DCOTUNE = 0 25°C
Internal resistor option
1.62 V to 3.7 V –250 250
At fixed voltage.
DCO frequency drift with ppm/°
df
DCO
/dT
(1)
temperature C
External resistor option
(2)
1.62 V to 3.7 V –35 35
At fixed voltage.
DCO frequency voltage
df
DCO
/dV
CC
At fixed temperature. –40°C to 85 °C –0.10 0.10 %/V
drift with voltage
DCORSEL = 0, DCOTUNE = value
1.62 V to 3.7 V
f
RSEL0
DCO frequency range 0 TBD in the negative scale to value 0.98 2.7 MHz
–40°C to 85°C
TBD in the positive scale
DCORSEL = 1, DCOTUNE = value
1.62 V to 3.7 V
f
RSEL1
DCO frequency range 1 TBD in the negative scale to value 1.96 5.4 MHz
–40°C to 85°C
TBD in the positive scale
DCORSEL = 2, DCOTUNE = value
1.62 V to 3.7 V
f
RSEL2
DCO frequency range 2 TBD in the negative scale to value 3.92 10.8 MHz
–40°C to 85°C
TBD in the positive scale
DCORSEL = 3, DCOTUNE = value
1.62 V to 3.7 V
f
RSEL3
DCO frequency range 3 TBD in the negative scale to value 7.84 21.6 MHz
–40°C to 85°C
TBD in the positive scale
DCORSEL = 4, DCOTUNE = value
1.62 V to 3.7 V
f
RSEL4
DCO frequency range 4 TBD in the negative scale to value 15.68 43.2 MHz
–40°C to 85°C
TBD in the positive scale
DCORSEL = 5, DCOTUNE = value
1.62 V to 3.7 V
f
RSEL5
DCO frequency range 5 TBD in the negative scale to value 31.36 86.5 MHz
–40°C to 85°C
TBD in the positive scale
1.62 V to 3.7 V
f
DCO_DC
Duty cycle No external divide, all DCO settings 48% 50% 52%
–40°C to 85°C
1.62 V to 3.7 V
t
DCO_JITTER
DCO jitter 120 200 ps
–40°C to 85°C
1.62 V to 3.7 V
T
DCO_STEP
Step size Step size of the DCO. 0.2%
–40°C to 85°C
(1) Average calculated using the box method, (f
DCO_MAX
- f
DCO_MIN
) / (T
MAX
- T
MIN
).
(2) Does not include temperature coefficient of external resistor.
The recommended value of External Resistor at DCOR pin: 91kΩ, 0.1%, ±25 ppm/℃.
34 Specifications Copyright © 2015, Texas Instruments Incorporated
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