AM6421 datasheet(7/265 Pages) TI1

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4 Device Comparison

Table 4-1 shows a comparison between devices, highlighting the differences.

Note

Availability of features listed in this table are a function of shared IO pins, where IO signals associated

with many of the features are multiplexed to a limited number of pins. The SysConfig tool should

be used to assign signal functions to pins. This will provide a better understanding of limitations

associated with pin multiplexing.

Note

To understand what device features are currently supported by TI Software Development Kits

(SDKs), search for the AM64x Software Build Sheet located in the Downloads tab option provided

at Processor-SDK-AM64x.

Table 4-1. Device Comparison

FEATURES

REFERENCE

NAME

AM6442

AM6441

AM6422

AM6421

AM6412

AM6411

CTRL_MMR_CFG0_JTAG_USER_ID[31:13](1)

Register bit values by device "Features" code (See Nomenclature Description table for more information on device features)

–

0x19403

0x19203

0x19464

0x19264

0x19424

0x19224

–

0x19465

0x19265

–

0x19225

–

0x19466

0x19266

–

0x19226

–

PROCESSORS AND ACCELERATORS

Speed Grades (See Table 6-1)

S, K

Arm Cortex-A53 Microprocessor Subsystem

Arm A53

Dual Core

Single Core

Dual Core

Single Core

Dual Core

Single Core

Arm Cortex-R5F

Arm R5F

2 × Dual Core

R5FSS0_CORE0

R5FSS0_CORE1

R5FSS1_CORE0

R5FSS1_CORE1

2 × Single Core

R5FSS0_CORE0

R5FSS1_CORE0

Single Core

R5FSS0_CORE0

Arm Cortex-M4F

Arm M4F

Single Core

Functional Safety Optional(4)

Single Core

Device Management Security Controller

DMSC-L

Yes

Crypto Accelerators

Security

Yes

PROGRAM AND DATA STORAGE

On-Chip Shared Memory (RAM) in MAIN Domain OCSRAM

2MB

R5F Tightly Coupled Memory (TCM)

TCM

4 x 64KB

2 x 128KB

1 x 128KB

On-Chip Shared Memory (RAM) in M4F Domain

MCU_MSRAM

256KB

DDR4/LPDDR4 DDR Subsystem

DDRSS

Up to 2GB (16-bit data) with inline ECC

General-Purpose Memory Controller

GPMC

Up to 128MB with ECC

PERIPHERALS

Modular Controller Area Network Interface

MCAN

Full CAN-FD Support(2)

MCAN

Optional

General-Purpose I/O

GPIO

Up to 198

Inter-Integrated Circuit Interface

I2C

Analog-to-Digital Converter

ADC

Multichannel Serial Peripheral Interface

MCSPI

Multi-Media Card/ Secure Digital Interface

MMCSD0

eMMC (8-bits)

MMCSD1

SD/SDIO (4-bits)

Fast Serial Interface

FSI_TX

FSI_RX

Flash Subsystem (FSS)(3)

OSPI0/QSPI0

Yes

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AM6442, AM6441, AM6422, AM6421, AM6412, AM6411

SPRSP56G – JANUARY 2021 – REVISED APRIL 2024

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