STM32H7 datasheet(237/357 Pages) STMICROELECTRONICS

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DS12110 Rev 10

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STM32H742xI/G STM32H743xI/G

Electrical characteristics (rev V)

320

7.3.10

PLL characteristics

The parameters given in Table 147 are derived from tests performed under temperature and

VDD supply voltage conditions summarized in Table 122: General operating conditions.

Table 147. PLL characteristics (wide VCO frequency range)(1)

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

fPLL_IN

PLL input clock

MHz

PLL input clock duty cycle

fPLL_P_OUT

PLL multiplier output clock P

VOS0

1.5

480(2)

MHz

VOS1

1.5

400(2)

VOS2

1.5

300(2)

VOS3

1.5

200(2)

fVCO_OUT

PLL VCO output

192

960

tLOCK

PLL lock time

Normal mode

50(3)

150(3)

µs

Sigma-delta mode

(CKIN

≥ 8 MHz)

-58(3)

166(3)

Jitter

Cycle-to-cycle jitter(4)

VCO =

192 MHz

-134

±ps

VCO =

200 MHz

-134

VCO =

400 MHz

-76

VCO =

800 MHz

-39

Long term jitter

Normal mode

VCO =

800 MHz

±0.7

Sigma-delta

mode (CKIN =

16 MHz)

VCO =

800 MHz

±0.8

IDD(PLL)(3)

PLL power consumption on VDD

VCO freq =

836 MHz

VDDA

590

1500

µA

VCORE

-720

VCO freq =

192 MHz

VDDA

-180

600

VCORE

-280

1. Guaranteed by design unless otherwise specified.

2. This value must be limited to the maximum frequency due to the product limitation (480 MHz for VOS0, 400 MHz for VOS1,

300 MHz for VOS2, 200 MHz for VOS3).

3. Guaranteed by characterization results.

4. Integer mode only.

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