MSP430F6779A Datasheet, PDF (33/176 Pages) Texas Instruments – Polyphase Metering SoCs

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MSP430F6779A, MSP430F6778A, MSP430F6777A, MSP430F6776A, MSP430F6775A
MSP430F6769A, MSP430F6768A, MSP430F6767A, MSP430F6766A, MSP430F6765A
MSP430F6749A, MSP430F6748A, MSP430F6747A, MSP430F6746A, MSP430F6745A
SLAS982 – MAY 2014
Table 5-3. Internal Very-Low-Power Low-Frequency Oscillator (VLO)
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)
PARAMETER
f_VLO
VLO frequency
df_VLO/d_T VLO frequency temperature drift
df_VLO/dV_CC VLO frequency supply voltage drift
Duty cycle
TEST CONDITIONS
Measured at ACLK
Measured at ACLK
Measured at ACLK
Measured at ACLK
V_CC
1.8 V to 3.6 V
1.8 V to 3.6 V
1.8 V to 3.6 V
1.8 V to 3.6 V
MIN TYP
6 9.6
0.5
4
40
50
MAX
15
60
UNIT
kHz
%/°C
%/V
%
Table 5-4. Internal Reference, Low-Frequency Oscillator (REFO)
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)
I_REFO
PARAMETER
REFO oscillator current consumption
REFO frequency calibrated
TEST CONDITIONS
T_A = 25°C
Measured at ACLK
V_CC
1.8 V to 3.6 V
1.8 V to 3.6 V
MIN TYP
3
32768
f_REFO
df_REFO/d_T
df_REFO/dV_CC
REFO absolute tolerance calibrated
REFO frequency temperature drift
REFO frequency supply voltage drift
Duty cycle
Full temperature range
T_A = 25°C
Measured at ACLK
Measured at ACLK
Measured at ACLK
1.8 V to 3.6 V
3V
1.8 V to 3.6 V
1.8 V to 3.6 V
1.8 V to 3.6 V
-3.5
-1.5
0.01
1.0
40
50
t_START
REFO startup time
40%/60% duty cycle
1.8 V to 3.6 V
25
MAX
+3.5
+1.5
60
UNIT
µA
Hz
%
%
%/°C
%/V
%
µs
Copyright © 2014, Texas Instruments Incorporated
Specifications
33
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MSP430F6769A MSP430F6768A MSP430F6767A MSP430F6766A MSP430F6765A MSP430F6749A
MSP430F6748A MSP430F6747A MSP430F6746A MSP430F6745A