XM33C321ASPZR datasheet(43/113 Pages) TI2

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7.7.3 VBat Characteristics

over operating free-air temperature range (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

VBAT

Power supply range

1.62

3.6

dVBAT/dt VBAT (supply voltage) slew rate

Rising

0.1

V/us

dVBAT/dt VBAT (supply voltage) slew rate

Falling,standby (2)

0.1

V/ms

VPOR+

(VBAT)

Power-on reset voltage level

Rising (1)

0.95

1.3

1.59

VPOR-

(VBAT)

Power-on reset voltage level

Falling (1)

0.9

1.25

1.54

VHYS,

POR(VBAT)

POR hysteresis

VBOR0+,

COLD(VBAT

)

Brown-out reset voltage level

Cold start, rising (1)

1.4

1.48

1.59

VBOR0+

(VBAT)

Brown-out reset voltage level

Rising (1) (2)

1.56

1.58

1.62

VBOR0-

(VBAT)

Brown-out reset voltage level

Falling (1) (2)

1.51

1.56

1.61

VHYS,

BOR(VBAT)

BOR hysteresis

tPU(VBAT) Cold power up time

1.2

ICHARGE

Charging peak current

VDD=3.3, VBAT=0V

1.7

RSWITCH

Internal switch resistance between VBAT

and VDD

0.9

1.4

2.7

kΩ

ITRIP

Min current for internal comparator to

detect reverse current from VBAT to VDD

VDD sinking , 1.6<VBAT<3.3

100

µA

(1)

|dVDD/dt| ≤ 3V/s

(2)

Device operating in Standby Mode

7.7.4 Timing Characteristics

VDD=3.3V, Ta=25℃ (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Wakeup Timing

tWAKE:SL

EEP

Wakeup time from SLEEP to RUN (1)

1.6

µs

tWAKE:ST

Wakeup time from STOP to RUN

(SYSOSC enabled) (1)

25.3

µs

tWAKE:ST

Wakeup time from STANDBY0 to RUN

(1)

26.6

µs

Wakeup time from STANDBY1 to RUN

(1)

26.8

µs

tWAKEUP:

SHDN

Wakeup time from SHUTDOWN to

RUN (2)

Fast boot enabled

TBD

µs

Fast boot disabled

702

Asynchronous Fast Clock Request Timing

tDELAY

Delay time from edge of asynchronous

request to first 32MHz MCLK edge

Mode is STOP

6.3

µs

Delay time from edge of asynchronous

request to first 32MHz MCLK edge

Mode is STANDBY0

7.6

Delay time from edge of asynchronous

request to first 32MHz MCLK edge

Mode is STANDBY1

7.9

Startup Timing

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MSPM33C321A, MSPM33C3219

SLASFB6 – DECEMBER 2025

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