MSP432P401R_16 Datasheet, PDF (52/200 Pages) Texas Instruments – Mixed-Signal Microcontrollers

MSP432P401R, MSP432P401M
SLAS826E – MARCH 2015 – REVISED JULY 2016
www.ti.com
DCO (continued)
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)
PARAMETER
TEST CONDITIONS
DCORSEL = 5, DCOTUNE = 0
V_CC, T_A
MIN TYP
50
MAX UNIT
90
DCORSEL = 4, DCOTUNE = 0
80
120
t_{DCO_JITTER}
DCO period jitter
DCORSEL = 3, DCOTUNE = 0
DCORSEL = 2, DCOTUNE = 0
115
170
ps
160
240
DCORSEL = 1, DCOTUNE = 0
225
340
DCORSEL = 0, DCOTUNE = 0
450
550
T_{DCO_STEP}
t_{DCO_SETTLE_RANGE}
Step size
DCO settling from worst
case DCORSELn to
DCORSELm
Step size of the DCO.
DCO settled to within 1.5% of
steady state frequency
0.2%
10 µs
t_{DCO_SETTLE_TUNE}
DCO settling worst case
DCOTUNEn to
DCOTUNEm within any
DCORSEL setting
DCO settled to within 1.5% of
steady state frequency
10 µs
t_START
DCO start-up time⁽⁴⁾
DCO settled to within 0.5% of
steady state frequency
5
µs
(4) The maximum parasitic capacitance at the DCO external resistance pin (DCOR) should not exceed 5 pF to ensure the specified DCO
start-up time.
Table 5-12 lists the overall tolerance of the DCO.
Table 5-12. DCO Overall Tolerance
over operating free-air temperature range (unless otherwise noted)
RESISTOR OPTION
TEMPERATURE TEMPERATURE
CHANGE
DRIFT (%)
VOLTAGE
CHANGE
VOLTAGE DRIFT
(%)
–40°C to 85 °C
±3.125
1.62 V to 3.7 V
±0.2
Internal resistor
0°C
0
1.62 V to 3.7 V
±0.2
–40°C to 85 °C
±3.125
0V
0
–40°C to 85 °C
±0.5
1.62 V to 3.7 V
±0.2
External resistor
with 25-ppm TCR
0°C
0
1.62 V to 3.7 V
±0.2
–40°C to 85 °C
±0.5
0V
0
OVERALL DRIFT
(%)
±3.325
±0.2
±3.125
±0.7
±0.2
±0.5
OVERALL
ACCURACY (%)
±3.825
±0.7
±3.625
±1.2
±0.7
±1
52
Specifications
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