AM6421 datasheet(110/237 Pages) TI

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

SUPPLY NAME

DESCRIPTION

MIN

NOM

MAX

UNIT

VDDSHV5

Dual-voltage IO supply

1.8-V operation

1.71

1.8

1.89

3.3-V operation

3.135

3.3

3.465

Operating junction temperature range

Extended

-40

105

°C

Commercial

(1)

The VMON_VSYS pin provides a way to monitor the system power supply. For more information, see Section 9.3.4, System Power

Supply Monitor Design Guidelines.

(2)

An external resistor divider is required to limit the voltage applied to this device pin. For more information, see Section 9.3.3, USB

Design Guidelines.

7.5 Operating Performance Points

This section describes the operating conditions of the device. This section also contains the description of each

Operating Performance Point (OPP) for processor clocks and device core clocks.

Table 7-1 describes the maximum supported frequency per speed grade for the device.

Table 7-1. Speed Grade Maximum Frequency

DEVICE

MAXIMUM FREQUENCY (MHz)

SPEED

GRADE

A53SS

R5FSS

M4FSS

CBASS0

ICSSG

DMSC-L

DDR4

LPDDR4

AM64x

1000

800

400

250

333

TBD

800 (DDR-1600)(1)

TBD(1)

AM64x

800

400

250

TBD

800 (DDR-1600)(1)

TBD(1)

(1)

Maximum DDR Frequency will be limited based on the specific memory type (vendor) used in a system and by PCB implementation.

7.6 Power Consumption Summary

For information on the device power consumption contact your TI Representative.

7.7 Electrical Characteristics

Note

The interfaces or signals described in Section 7.7.1 through correspond to the interfaces or signals

available in multiplexing mode 0 (Primary Function).

All interfaces or signals multiplexed on the balls described in these tables have the same DC electrical

characteristics, unless multiplexing involves a PHY and GPIO combination, in which case different DC

electrical characteristics are specified for the different multiplexing modes (Functions).

7.7.1 I2C, Open-Drain, and Fail-Safe (I2C OD FS) Electrical Characteristics

over recommended operating conditions (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

BALL NAMES in Mode 0: MCU_I2C0_SCL / MCU_I2C0_SDA / I2C0_SCL / I2C0_SDA / EXTINTn

BALL NUMBERS: E9, A10, A18, B18, C19

1.8 V MODE

VIL

Input Low Voltage

0.3 × VDD

(1)

VILSS

Input Low Voltage Steady State

0.3 × VDD

(1)

VIH

Input High Voltage

0.7 × VDD

(1)

TBD

VIHSS

Input High Voltage Steady State

0.7 × VDD

(1)

VHYS

Input Hysteresis Voltage

0.1 × VDD

(1)

IIN

Input Leakage Current.

VI = 1.8 V or 0 V

±10

µA

VOL

Output Low Voltage

0.2 × VDD

(1)

IOL

Low Level Output Current

VOL(MAX)

AM6442, AM6441, AM6421

AM6412, AM6411

SPRSP56 – JANUARY 2021

www.ti.com

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