Datasheet
MSP430F673x
MSP430F672x
www.ti.com
SLAS731C –DECEMBER 2011–REVISED FEBRUARY 2013
Auxiliary Supplies - Recommended Operating Conditions
over operating free-air temperature range (unless otherwise noted)
MIN NOM MAX UNIT
V
CC
Supply voltage range for all supplies at pins DVCC, AVCC, AUX1, AUX2, AUX3 1.8 3.6 V
PMMCOREVx = 0 1.8 3.6
PMMCOREVx = 1 2.0 3.6
Digital system supply voltage range,
V
DSYS
V
V
DSYS
= V
CC
- R
ON
×I
LOAD
PMMCOREVx = 2 2.2 3.6
PMMCOREVx = 3 2.4 3.6
V
ASYS
Analog system supply voltage range, V
ASYS
= V
CC
- R
ON
× I
LOAD
Refer to modules V
C
VCC
,C
AUX1/2
Recommended capacitor at pins DVCC, AVCC, AUX1, AUX2 4.7 µF
C
VSYS
Recommended capacitor at pins VDSYS and VASYS 4.7 µF
C
VCORE
Recommended capacitance at pin VCORE 0.47 µF
C
AUX3
Recommended capacitor at pin AUX3 0.47 µF
Auxiliary Supplies - AUX3 (Backup-Sub-System) Currents
over operating free-air temperature range (unless otherwise noted)
PARAMETER TEST CONDITIONS V
CC
T
A
MIN TYP MAX UNIT
25°C 0.83
AUX3 current with RTC RTC and 32-kHz oscillator in
I
AUX3,RTCon
3 V µA
enabled backup-subsystem enabled
85°C 0.95
25°C 110
AUX3 current with RTC RTC and 32-kHz oscillator in
I
AUX3,RTCoff
3 V nA
disabled backup-subsystem disabled
85°C 165
Auxiliary Supplies - Auxiliary Supply Monitor
over operating free-air temperature range (unless otherwise noted)
PARAMETER TEST CONDITIONS V
CC
MIN TYP MAX UNIT
LOCKAUX = 0, AUXMRx = 0,
Average supply current for
AUX0MD = 0, AUX1MD = 0, AUX2MD = 1,
I
CC,Monitor
monitoring circuitry drawn from 3 V 0.70 µA
VDSYS = DVCC, VASYS = AVCC,
VDSYS
Current measured at VDSYS pin
LOCKAUX = 0, AUXMRx = 0,
AUX0MD = 0, AUX1MD = 0, AUX2MD = 1,
Average current drawn from
I
Meas,Monitor
monitored supply during VDSYS = DVCC, VASYS = AVCC, 0.11 µA
measurement cycle
AUXVCC1 = 3 V,
Current measured at AUXVCC1 pin
AUXLVLx = 0 1.67 1.74 1.80
AUXLVLx = 1 1.87 1.95 2.01
AUXLVLx = 2 2.06 2.14 2.21
AUXLVLx = 3 2.19 2.27 2.33
V
Monitor
Auxiliary supply threshold level V
AUXLVLx = 4 2.33 2.41 2.48
AUXLVLx = 5 2.63 2.72 2.79
AUXLVLx = 6 2.91 3.02 3.10
AUXLVLx = 7 2.91 3.02 3.10
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