AM6421 datasheet(9/273 Pages) TI2

9 / 273 page

Table 4-1. Device Comparison (continued)

FEATURES

REFERENCE

NAME

AM6442

(ALV)

AM6441

(ALV)

AM6422

(ALV)

AM6421

(ALV)

AM6412

(ALV/ANI)

AM6411

(ALV)

Fast Serial Interface

FSI_TX

FSI_RX

Flash Subsystem (FSS)(3)

OSPI0/QSPI0

Yes

PCI Express Port with Integrated SerDes PHY

PCIE0

Single Lane(7)

Programmable Real-Time Unit Subsystem(5)

PRU_ICSSG

PRU_ICSSG Industrial Communication

Support(6)

PRU_ICSSG

Yes

Gigabit Ethernet Interface

CPSW3G

Yes

General-Purpose Timers

TIMER

16 (4 in MCU Channel)

Enhanced Pulse-Width Modulator Module

EPWM

Enhanced Capture Module

ECAP

Enhanced Quadrature Encoder Pulse Module

EQEP

Universal Asynchronous Receiver and

Transmitter

UART

Universal Serial Bus (USB3.1 Gen1) SuperSpeed

Dual-Role-Device (DRD) Ports with SS SerDes

PHY and USB 2.0 PHY

USB0

Yes(7)

(1)

For more details about the MAIN_CTRL_MMR_CFG0_JTAG_USER_ID register and DEVICE_ID bit field, see the device TRM.

(2)

Full CAN-FD Support is available when selecting an orderable part number that includes a feature code of E or F. Refer to

Nomenclature Description table for the definition of feature codes.

(3)

One flash interface, configured as OSPI0 or QSPI0.

(4)

Functional Safety is available when selecting an orderable part number that includes a feature code of F. Refer to Nomenclature

Description table for the definition of feature codes.

(5)

Orderable part numbers with a feature code of C support using PRU_ICSSG for use cases other than industrial communication. Refer

to Nomenclature Description table for the definition of feature codes.

(6)

PRU_ICSSG industrial communication includes Ethernet networking (MII/RGMII, MDIO), Sigma-Delta (SD) decimation, and three

channel peripheral interface (EnDat 2.2 and BiSS). PRU_ICSSG industrial communication support is available when selecting an

orderable part number that includes a feature code of D, E, or F. Refer to Nomenclature Description table for the definition of feature

codes.

(7)

USB SuperSpeed and PCIe share a common SerDes PHY. Therefore, USB will be limited to non-SuperSpeed modes when using the

SerDes PHY for PCIe.

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AM6442, AM6441, AM6422, AM6421, AM6412, AM6411

SPRSP56J – JANUARY 2021 – REVISED JUNE 2026

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