MSP432P401R Datasheet, PDF (34/157 Pages) Texas Instruments – Mixed-Signal Microcontrollers

MSP432P401R, MSP432P401M
SLAS826B – MARCH 2015 – REVISED FEBRUARY 2016
www.ti.com
Table 5-21. DCO
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)
f_{RSEL0_CTR}
PARAMETER
DCO frequency center
range 0 initial accuracy ,
with trimmed factory
settings
TEST CONDITIONS
Internal resistor option
DCORSEL = 0, DCOTUNE = 0
External resistor option
DCORSEL = 0, DCOTUNE = 0
V_CC , T_A
3.0 V
25°C
3.0 V
25°C
MIN
1.4925
1.4925
TYP MAX UNIT
1.5 1.5075
1.5 1.5075
MHz
f_{RSEL1_CTR}
DCO frequency center
range 1 initial accuracy ,
with trimmed factory
settings
Internal resistor option
DCORSEL = 1, DCOTUNE = 0
External resistor option
DCORSEL = 1, DCOTUNE = 0
3.0 V
25°C
3.0 V
25°C
2.985
2.985
3 3.015
MHz
3 3.015
f_{RSEL2_CTR}
DCO frequency center
range 2 initial accuracy ,
with trimmed factory
settings
Internal resistor option
DCORSEL = 2, DCOTUNE = 0
External resistor option
DCORSEL = 2, DCOTUNE = 0
3.0 V
25°C
3.0 V
25°C
5.97
6 6.03
MHz
5.97
6 6.03
f_{RSEL3_CTR}
DCO frequency center
range 3 initial accuracy ,
with trimmed factory
settings
Internal resistor option
DCORSEL = 3, DCOTUNE = 0
External resistor option
DCORSEL = 3, DCOTUNE = 0
3.0 V
25°C
3.0 V
25°C
11.94
11.94
12 12.06
MHz
12 12.06
f_{RSEL4_CTR}
DCO frequency center
range 4 initial accuracy ,
with trimmed factory
settings
Internal resistor option
DCORSEL = 4, DCOTUNE = 0
External resistor option
DCORSEL = 4, DCOTUNE = 0
3.0 V
25°C
3.0 V
25°C
23.88
23.88
24 24.12
MHz
24 24.12
f_{RSEL5_CTR}
DCO frequency center
range 5 initial accuracy ,
with trimmed factory
settings
Internal resistor option
DCORSEL = 5, DCOTUNE = 0
External resistor option
DCORSEL = 5, DCOTUNE = 0
3.0 V
25°C
3.0 V
25°C
47.76
47.76
48 48.24
MHz
48 48.24
df_DCO/dT ⁽¹⁾
DCO frequency drift with
temperature
Internal resistor option
At fixed voltage.
External resistor option⁽²⁾
At fixed voltage.
1.62 V to 3.7 V –250
1.62 V to 3.7 V
–35
250
ppm/°
C
35
df_DCO/dV_CC
DCO frequency voltage
drift with voltage
At fixed temperature.
–40°C to 85 °C –0.10
0.10 %/V
f_RSEL0
DCO frequency range 0
DCORSEL = 0, DCOTUNE = value
TBD in the negative scale to value
TBD in the positive scale
1.62 V to 3.7 V
–40°C to 85°C
0.98
2.7 MHz
f_RSEL1
DCO frequency range 1
DCORSEL = 1, DCOTUNE = value
TBD in the negative scale to value
TBD in the positive scale
1.62 V to 3.7 V
–40°C to 85°C
1.96
5.4 MHz
f_RSEL2
DCO frequency range 2
DCORSEL = 2, DCOTUNE = value
TBD in the negative scale to value
TBD in the positive scale
1.62 V to 3.7 V
–40°C to 85°C
3.92
10.8 MHz
f_RSEL3
DCO frequency range 3
DCORSEL = 3, DCOTUNE = value
TBD in the negative scale to value
TBD in the positive scale
1.62 V to 3.7 V
–40°C to 85°C
7.84
21.6 MHz
f_RSEL4
DCO frequency range 4
DCORSEL = 4, DCOTUNE = value
TBD in the negative scale to value
TBD in the positive scale
1.62 V to 3.7 V
–40°C to 85°C
15.68
43.2 MHz
f_RSEL5
DCO frequency range 5
DCORSEL = 5, DCOTUNE = value
TBD in the negative scale to value
TBD in the positive scale
1.62 V to 3.7 V
–40°C to 85°C
31.36
86.5 MHz
f_{DCO_DC}
Duty cycle
No external divide, all DCO settings
1.62 V to 3.7 V
–40°C to 85°C
48% 50% 52%
t_{DCO_JITTER}
DCO jitter
1.62 V to 3.7 V
–40°C to 85°C
120 200 ps
T_{DCO_STEP}
Step size
Step size of the DCO.
1.62 V to 3.7 V
–40°C to 85°C
0.2%
(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
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