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SLAS826F – MARCH 2015 – REVISED MARCH 2017
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Specifications
Copyright © 2015–2017, Texas Instruments Incorporated
lists the latencies required to change between different active and LPM0 modes.
(1)
This is the latency between execution of WFI instruction by CPU to assertion of SLEEPING signal at CPU output.
(2)
This is the latency between I/O interrupt event to deassertion of SLEEPING signal at CPU output.
Table 5-4. LPM0 Mode Transition Latencies
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)
PARAMETER
ORIGINAL OPERATING
MODE
FINAL OPERATING
MODE
TEST CONDITIONS
TYP
MAX
UNIT
t
AMLDOx_LPM0LDOx
(1)
AM_LDO_VCOREx
LPM0_LDO_VCOREx
Transition from
AM_LDO_VCORE0 or
AM_LDO_VCORE1 to
LPM0_LDO_VCORE0 or
LPM0_LDO_VCORE1
1
MCLK
cycles
t
LPM0LDOx_AMLDOx
(2)
LPM0_LDO_VCOREx
AM_LDO_VCOREx
Transition from
LPM0_LDO_VCORE0 or
LPM0_LDO_VCORE1 to
AM_LDO_VCORE0 or
AM_LDO_VCORE1
through I/O interrupt
3
4
MCLK
cycles
t
AMDCDCx_LPM0DCDCx
(1)
AM_DCDC_VCOREx
LPM0_DCDC_VCOREx
Transition from
AM_DCDC_VCORE0 or
AM_DCDC_VCORE1 to
LPM0_DCDC_VCORE0
or
LPM0_DCDC_VCORE1
1
MCLK
cycles
t
LPM0DCDCx_AMDCDCx
(2)
LPM0_DCDC_VCOREx
AM_DCDC_VCOREx
Transition from
LPM0_DCDC_VCORE0
or
LPM0_DCDC_VCORE1
to AM_DCDC_VCORE0
or AM_DCDC_VCORE1
through I/O interrupt
3
4
MCLK
cycles
t
AMLFx_LPM0LFx
(1)
AM_LF_VCOREx
LPM0_LF_VCOREx
Transition from
AM_LF_VCORE0 or
AM_LF_VCORE1 to
LPM0_LF_VCORE0 or
LPM0_LF_VCORE1
1
MCLK
cycles
t
LPM0LFx_AMLFx
(2)
LPM0_LF_VCOREx
AM_LF_VCOREx
Transition from
LPM0_LF_VCORE0 or
LPM0_LF_VCORE1 to
AM_LF_VCORE0 or
AM_LF_VCORE1 through
I/O interrupt
3
4
MCLK
cycles