MSP430FR5989-EP Datasheet, PDF (15/154 Pages) Texas Instruments – Mixed-Signal Microcontroller

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4.5 Typical Characteristics, Active Mode Supply Currents
3000
2500
2000
1500
I(AM,0%)
I(AM,50%)
I(AM,66%)
I(AM,75%)
I(AM,100%)
I(AM,RAMonly)
I(AM,75%)[µA] = 103 × f[MHz] + 68
MSP430FR5989-EP
SLASEC9 – APRIL 2017
1000
500
0
0
1
2
3
4
5
6
7
8
9
MCLK Frequency (MHz)
I(AM, cache hit ratio): Program resides in FRAM. Data resides in SRAM. Average current dissipation varies with
cache hit-to-miss ratio as specified. Cache hit ratio represents number cache accesses divided by the total number of
FRAM accesses. For example, a 75% ratio implies three of every four accesses is from cache, and the remaining are
FRAM accesses.
I(AM, RAMonly): Program and data reside entirely in RAM. All execution is from RAM. FRAM is off.
Figure 4-1. Typical Active Mode Supply Currents, No Wait States
4.6 Low-Power Mode (LPM0, LPM1) Supply Currents Into V_CC Excluding External Current
over recommended operating junction temperature (unless otherwise noted)^{(1) (2)}
PARAMETER
V_CC
1 MHz
TYP MAX
4 MHz
FREQUENCY (f_SMCLK)
8 MHz
TYP MAX TYP MAX
12 MHz
TYP MAX
16 MHz
UNIT
TYP MAX
I_LPM0
2.2 V
75
105
165
250
230
µA
3.0 V
85
120
115
175
260
240
275
I_LPM1
2.2 V
40
65
130
215
195
µA
3.0 V
40
65
65
130
215
195
220
(1) All inputs are tied to 0 V or to V_CC. Outputs do not source or sink any current.
(2) Current for watchdog timer clocked by SMCLK included.
f_ACLK = 32768 Hz, f_MCLK = 0 MHz, f_SMCLK = f_DCO at specified frequency, except for 12 MHz: here f_DCO = 24 MHz and f_SMCLK = f_DCO / 2.
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Specifications
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