AM6548 datasheet(164/282 Pages) TI

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Figure 7-29 shows the power supply connectivity implemented in the device.

MCU_PLL0

(MCU PLL)

SPRSP08_PLL_PWR_01

MCU_PLL1

(CPSW PLL)

PLL0

(MAIN PLL)

PLL2

(PER1 PLL)

PLL1

(PER0 PLL)

PLL3

(DDR PLL)

PLL4

(DSS PLL)

PLL6

(ARM0 PLL)

PLL7

(ARM1 PLL)

VDDA_MCU

VDDA_PLL_CORE

VDDA_PLL_PER0

VDDA_PLL0_DDR

VDDA_PLL_DSS

VDDA_PLL_MPU0

VDDA_PLL_MPU1

Figure 7-29. PLL Power Supply Connectivity

7.9.4.4 Recommended Clock and Control Signal Transition Behavior

All clocks and strobe signals must transition between VIH and VIL (or between VIL and VIH) in a monotonic

manner. Monotonic transitions are more easily ensured with faster switching signals. Slower input transitions are

more susceptible to glitches due to noise, and special care must be taken for slow input clocks.

7.9.4.5 Module and Peripheral Clock Frequencies

The maximum operating frequency associated with module functional and interface clocks internal to the device

is managed by the DMSC firmware. For more details about the clocking structure for a specific module or

peripheral, see Device Configurations chapter in the device TRM.

Section 7.9.5, Peripherals documents the maximum frequency associated with the peripheral clocks in and out

of the device.

AM6548, AM6528, AM6526

SPRSP52B – DECEMBER 2019 – REVISED JUNE 2021

www.ti.com

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