STM32MP151C datasheet(154/253 Pages) STMICROELECTRONICS

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Electrical characteristics

STM32MP151C/F

154/253

DS12501 Rev 3

PLL_USB (2880 MHz) characteristics

6.3.12

PLL spread spectrum clock generation (SSCG) characteristics

The spread spectrum clock generation (SSCG) feature allows the reduction of

electromagnetic interferences (see Table 46: EMI characteristics). It is available only on the

PLL1_1600 and PLL2_1600.

Equation 1

IVDDCORE

PLL power

consumption on

VDDCORE (Digital)

VCO freq = 800 MHz

2200

5250

µA

VCO freq = 400 MHz

1130

4550

1. Guaranteed by design unless otherwise specified.

2. Guaranteed by characterization results.

3. Measured on GPIO.

4. Measured on GPIO for 10000 output clock cycles.

Table 39. PLL3_800, PLL4_800 characteristics(1) (continued)

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

Table 40. USB_PLL characteristics(1)

Symbol

Parameter

Condition

Min

Typ

Max

Unit

fPLL_IN

PLL input clock

19.2

38.4

MHz

fPLL_INFIN

PFD input clock

19.2

38.4

MHz

fPLL_OUT

PLL multiplier output clock

480

MHz

fVCO_OUT

PLL VCO output

2880

MHz

tLOCK

PLL lock time

100

µs

tPDN

PLL power down time

µs

IDDA1V1_R

EG(PLL)

PLL power consumption on

VDDA1V1_REG (internal connection)

PLL in power down

425

µA

fVCO_OUT = 2880 MHz

4.4

5.6

IDDA1V8_R

EG(PLL)

PLL power consumption on

VDDA1V8_REG (internal connection)

PLL in power down

µA

fVCO_OUT = 2880 MHz

2.5

1. Guaranteed by design unless otherwise specified.

Table 41. SSCG parameters constraint

Symbol

Parameter

Min

Typ

Max(1)

Unit

fMod

Modulation frequency

kHz

Peak modulation depth

0.25

MODEPER * INCSTEP

215-1

1. Guaranteed by design.

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