MSP432P401R_16 Datasheet, PDF (53/200 Pages) Texas Instruments – Mixed-Signal Microcontrollers

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MSP432P401R, MSP432P401M
SLAS826E – MARCH 2015 – REVISED JULY 2016
Table 5-13 lists the characteristics of the internal very-low-power low-frequency oscillator (VLO).
Table 5-13. Internal Very-Low-Power Low-Frequency Oscillator (VLO)
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)
I_VLO
f_VLO
df_VLO/d_T
df_VLO/dV_CC
DC_VLO
PARAMETER
Current consumption⁽¹⁾
VLO frequency
VLO frequency temperature drift⁽²⁾
VLO frequency supply voltage drift⁽³⁾
Duty cycle
TEST CONDITIONS
MIN
6
40%
TYP
50
9.4
0.1
0.2
50%
MAX
14
60%
(1) Current measured on DVCC supply
(2) Calculated using the box method: (MAX(–40°C to 85°C) – MIN(–40°C to 85°C)) / MIN(–40°C to 85°C) / (85°C – (–40°C))
(3) Calculated using the box method: (MAX(1.62 V to 3.7 V) – MIN(1.62 V to 3.7 V)) / MIN(1.62 V to 3.7 V) / (3.7 V – 1.62 V)
UNIT
nA
kHz
%/°C
%/V
Table 5-14 lists the characteristics of the internal-reference low-frequency oscillator (REFO) in 32.768‑kHz
mode.
Table 5-14. Internal-Reference Low-Frequency Oscillator (REFO) in 32.768-kHz Mode⁽¹⁾
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)
I_REFO
PARAMETER
REFO current consumption⁽²⁾
REFO frequency calibrated
TEST CONDITIONS
V_CC
MIN TYP
0.6
32.768
MAX
UNIT
µA
kHz
f_REFO
df_REFO/d_T
df_REFO/dV_CC
DC_REFO
REFO absolute tolerance calibrated
REFO frequency temperature drift⁽³⁾
REFO frequency supply voltage drift⁽⁴⁾
REFO duty cycle
T_A = –40°C to 85°C
T_A = 25°C
±3%
3V
±1.5%
0.012
%/°C
0.2
%/V
40% 50% 60%
(1) REFO is configured to 32.768-kHz mode with REFOFSEL = 0.
(2) Total current measured on both AVCC and DVCC supplies.
(3) Calculated using the box method: (MAX(–40°C to 85°C) – MIN(–40°C to 85°C)) / MIN(–40°C to 85°C) / (85°C – (–40°C))
(4) Calculated using the box method: (MAX(1.62 V to 3.7 V) – MIN(1.62 V to 3.7 V)) / MIN(1.62 V to 3.7 V) / (3.7 V – 1.62 V)
Table 5-15 lists the characteristics of the internal-reference low-frequency oscillator (REFO) in 128‑kHz
mode.
Table 5-15. Internal-Reference Low-Frequency Oscillator (REFO) in 128-kHz Mode⁽¹⁾
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)
REFO
PARAMETER
REFO current consumption⁽²⁾
REFO frequency calibrated
TEST CONDITIONS
V_CC
MIN TYP MAX UNIT
1
µA
128
kHz
f_REFO
df_REFO/d_T
df_REFO/dV_CC
DC_REFO
REFO absolute tolerance calibrated
REFO frequency temperature drift⁽³⁾
REFO frequency supply voltage drift⁽⁴⁾
REFO duty cycle
T_A = –40°C to 85°C
T_A = 25°C
±6%
3V
±1.5%
0.018
%/°C
0.4
%/V
40% 50% 60%
(1) REFO is configured to 128-kHz mode with REFOFSEL = 1.
(2) Total current measured on both AVCC and DVCC supplies.
(3) Calculated using the box method: (MAX(–40°C to 85°C) – MIN(–40°C to 85°C)) / MIN(–40°C to 85°C) / (85°C – (–40°C))
(4) Calculated using the box method: (MAX(1.62 V to 3.7 V) – MIN(1.62 V to 3.7 V)) / MIN(1.62 V to 3.7 V) / (3.7 V – 1.62 V)
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Specifications
53