30
SLAS826F – MARCH 2015 – REVISED MARCH 2017
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Specifications
Copyright © 2015–2017, Texas Instruments Incorporated
(1)
DMA can be operated at the same frequency as CPU.
5.6
Operating Mode CPU Frequency Ranges
(1)
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)
PARAMETER
OPERATING MODE
DESCRIPTION
f
MCLK
UNIT
MIN
MAX
f
AM_LDO_VCORE0
AM_LDO_VCORE0
Normal performance mode with LDO as the active
regulator
0
24
MHz
f
AM_LDO_VCORE1
AM_LDO_VCORE1
High performance mode with LDO as the active
regulator
0
48
MHz
f
AM_DCDC_VCORE0
AM_DCDC_VCORE0
Normal performance mode with DC-DC as the active
regulator
0
24
MHz
f
AM_DCDC_VCORE1
AM_DCDC_VCORE1
High performance mode with DC-DC as the active
regulator
0
48
MHz
f
AM_LF_VCORE0
AM_LF_VCORE0
Low-frequency mode with LDO as the active regulator
0
128
kHz
f
AM_LF_VCORE1
AM_LF_VCORE1
Low-frequency mode with LDO as the active regulator
0
128
kHz
(1)
Only RTC and WDT can be active.
5.7
Operating Mode Peripheral Frequency Ranges
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)
PARAMETER
OPERATING MODE
DESCRIPTION
MIN
MAX
UNIT
f
AM_LPM0_VCORE0
AM_LDO_VCORE0
Peripheral frequency range in LDO or DC-DC
based active or LPM0 modes for VCORE0
0
12
MHz
AM_DCDC_VCORE0
LPM0_LDO_VCORE0
LPM0_DCDC_VCORE0
f
AM_LPM0_VCORE1
AM_LDO_VCORE1
Peripheral frequency range in LDO or DC-DC
based active or LPM0 modes for VCORE1
0
24
MHz
AM_DCDC_VCORE1
LPM0_LDO_VCORE1
LPM0_DCDC_VCORE1
f
AM_LPM0_LF
AM_LF_VCORE0
Peripheral frequency range in low-frequency
active or low frequency LPM0 modes for
VCORE0 and VCORE1
0
128
kHz
AM_LF_VCORE1
LPM0_LF_VCORE0
LPM0_LF_VCORE1
f
LPM3
(1)
LPM3_VCORE0
Peripheral frequency in LPM3 mode for VCORE0
and VCORE1
0
32.768
kHz
LPM3_VCORE1
f
LPM3.5
(1)
LPM3.5
Peripheral frequency in LPM3.5 mode
0
32.768
kHz