Datasheet
0.0
1.0
2.0
3.0
4.0
5.0
0
f – DCO Frequency – MHz
DCO
Active ModeCurrent – mA
V = 3 V
CC
4 8 12 16
V = 2.2 V
CC
T = 85°C
A
T = 25°C
A
T = 85°C
A
T = 25°C
A
0.0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
1.5
V – Supply Voltage – V
CC
Active Mode Current – mA
f = 16 MHz
DCO
f = 12 MHz
DCO
f = 8 MHz
DCO
f = 1 MHz
DCO
2.0 2.5 3.0 3.5 4.0
MSP430F21x1
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SLAS439F –SEPTEMBER 2004– REVISED AUGUST 2011
Active Mode Supply Current (into DV
CC
+ AV
CC
) Excluding External Current
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)
(1)(2)
PARAMETER TEST CONDITIONS T
A
V
CC
MIN TYP MAX UNIT
f
DCO
= f
MCLK
= f
SMCLK
= 1 MHz, 2.2 V 250 300
f
ACLK
= 32768 Hz,
Program executes in flash,
Active mode (AM)
I
AM,1MHz
BCSCTL1 = CALBC1_1MHZ, µA
current (1 MHz)
3 V 350 410
DCOCTL = CALDCO_1MHZ,
CPUOFF = 0, SCG0 = 0, SCG1 = 0,
OSCOFF = 0
f
DCO
= f
MCLK
= f
SMCLK
= 1 MHz, 2.2 V 200
f
ACLK
= 32768 Hz,
Program executes in RAM,
Active mode (AM)
I
AM,1MHz
BCSCTL1 = CALBC1_1MHZ, µA
current (1 MHz)
3 V 300
DCOCTL = CALDCO_1MHZ,
CPUOFF = 0, SCG0 = 0, SCG1 = 0,
OSCOFF = 0
f
MCLK
= f
SMCLK
= f
ACLK
= 32768 Hz / 8 -40°C to 85°C 2 5
2.2 V
= 4096 Hz,
105°C 6
f
DCO
= 0 Hz,
-40°C to 85°C 3 9
Active mode (AM) Program executes in flash,
I
AM,4kHz
µA
current (4 kHz) SELMx = 11, SELS = 1,
3 V
DIVMx = DIVSx = DIVAx = 11,
105°C 9
CPUOFF = 0, SCG0 = 1, SCG1 = 0,
OSCOFF = 0
f
MCLK
= f
SMCLK
= f
DCO(0, 0)
≈ 100 kHz, 2.2 V 60 85
f
ACLK
= 0 Hz,
Active mode (AM)
I
AM,100kHz
Program executes in flash, µA
current (100 kHz)
3 V 72 95
RSELx = 0, DCOx = 0, CPUOFF = 0,
SCG0 = 0, SCG1 = 0, OSCOFF = 1
(1) All inputs are tied to 0 V or V
CC
. Outputs do not source or sink any current.
(2) The currents are characterized with a Micro Crystal CC4V-T1A SMD crystal with a load capacitance of 9 pF. The internal and external
load capacitance is chosen to closely match the required 9 pF.
Typical Characteristics - Active-Mode Supply Current (Into V
CC
)
ACTIVE-MODE CURRENT
vs ACTIVE-MODE CURRENT
SUPPLY VOLTAGE vs
T
A
= 25°C DCO FREQUENCY
Figure 2. Figure 3.
Copyright © 2004–2011, Texas Instruments Incorporated 15