AM6421 datasheet(8/260 Pages) TI

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• (I2C OD FS Electrical Characteristics): Defined the minimum input slew rate value and added notes to

describe this parameter.................................................................................................................................. 103

• Removed non-applicable TBD values. .......................................................................................................... 104

• Defined the minimum input slew rate value and added notes to describe this parameter..............................104

• (High-Frequency Oscillator (HFOSC) Electrical Characteristics): Defined maximum Input Leakage Current

value............................................................................................................................................................... 104

• (SDIO Electrical Characteristics): Removed non-applicable TBD values from 3.3-V mode Input Slew Rate.105

• (SDIO Electrical Characteristics): Defined the minimum input slew rate value and added notes to describe

this parameter.................................................................................................................................................105

• (LVCMOS Electrical Characteristics): Removed non-applicable TBD values from 1.8-V mode and 3.3-V mode

Input Slew Rate.............................................................................................................................................. 106

• (LVCMOS Electrical Characteristics): Defined the minimum input slew rate value and added notes to describe

this parameter.................................................................................................................................................106

• (ADC12B Electrical Characteristics): Added Positive Reference Voltage and Negative Reference Voltage

parameters, with a note that describes connectivity requirements for the ADC0_REFP and ADC0_REFN pins

........................................................................................................................................................................107

• (ADC12B Electrical Characteristics): Changed the Differential Non-Linearity values; the minimum value was

changed from -1 to > -1 to indicate there is no missing codes, the typical value was removed, and the

maximum value was changed from 2 to +1.................................................................................................... 107

• (ADC12B Electrical Characteristics): Changed the Integral Non-Linearity values; the minimum value was

changed to -2, the typical value was removed, and the maximum value was changed from ±3 to +2........... 107

• (ADC12B Electrical Characteristics): Changed the typical Gain Error value from ±2 to ±10..........................107

• (ADC12B Electrical Characteristics): Changed the typical Offset Error value from ±2 to ±5.......................... 107

• (ADC12B Electrical Characteristics): Changed the “Input Sampling Capacitance (CIN)” parameter to

“Sampling Capacitance (CSMPL)”, with the same typical value....................................................................... 107

• (ADC12B Electrical Characteristics): Changed the typical Total Harmonic Distortion value from 75 to -75... 107

• (ADC12B Electrical Characteristics): Removed the Spurious Free Dynamic Range and Signal-to-Noise Plus

Distortion parameters..................................................................................................................................... 107

• (ADC12B Electrical Characteristics): Changed the “Input Impedance of ADC0_AIN[7:0] (RADC0_AIN[7:0])”

parameter to “Analog Input Impedance, ADC0_AIN[7:0] (ZADC0_AIN[7:0])” and replaced the formula for

calculating a typical value with a note that clarifies input impedance of the ADC0_AIN[7:0] analog inputs... 107

• (ADC12B Electrical Characteristics): Removed the VSS and VDDA_ADC0 test conditions from the Input

Leakage parameter and defined a single maximum value that represents the entire input voltage range of the

ADC0_AIN[7:0] analog inputs.........................................................................................................................107

• (ADC12B Electrical Characteristics): Removed the Channel to Channel Isolation parameter....................... 107

• (ADC12B Electrical Characteristics): Changed the maximum input leakage of General Purpose Input Mode

from 2μA to 10μA............................................................................................................................................107

• (Power-Up Sequencing): Added a separate waveform for VDDSHV5 with a reference to Note 12 that clarifies

this power rail supports power-up, power-down, or dynamic voltage change without any dependency on other

power rails.......................................................................................................................................................114

• (Power-Down Sequencing): Added a separate waveform for VDDSHV5 with a reference to Note 6 that

clarifies this power rail supports power-up, power-down, or dynamic voltage change without any dependency

on other power rails.........................................................................................................................................116

• Included "Recommended Clock, System, and Control Signal Transition Behavior" section and associated

details............................................................................................................................................................. 131

• (Clock Specifications): Included an new/updated section titled "Recommended System Precautions for Clock

and Control Signal Transitions"...................................................................................................................... 131

• (CPSW3G): Updated the Note to reference the CPSW3G IOSETs section for the several tables contained

within the section............................................................................................................................................ 132

• (GPIO Timing Conditions): Changed the minimum Input Slew rate for the LVCMOS buffer type, and defined

Input Slew Rate values for the I2C OD FS buffer type................................................................................... 146

• (GPIO Timing Requirements): Changed the "BUFFER TYPE" column to "MODE", replaced buffer types with

operating voltage, retained the minimum pulse width value for 1.8-V mode, and changed the minimum pulse

width value for 3.3-V mode............................................................................................................................. 146

AM6442, AM6441, AM6422, AM6421, AM6412, AM6411

SPRSP56E – JANUARY 2021 – REVISED SEPTEMBER 2022

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