AM6421 Overview
AM6442, AM6441, AM6422, AM6421, AM6412, AM6411 SPRSP56H JANUARY 2021 REVISED DECEMBER 2025 AM64x Sitara™ Processors.
AM6421 Key Features
- 1× Dual 64-bit Arm® Cortex®-A53 microprocessor subsystem at up to 1.0GHz
- Dual-core Cortex-A53 cluster with 256KB L2 shared cache with SECDED ECC
- Each A53 Core has 32KB L1 DCache with SECDED ECC and 32KB L1 ICache with Parity protection
- Up to 2× Dual-core Arm® Cortex®-R5F MCU subsystems at up to 800MHz, integrated for realtime processing
- Dual-core Arm® Cortex®-R5F supports dualcore and single-core modes
- 32KB ICache, 32KB DCache and 64KB TCM per each R5F core for a total of 256KB TCM with SECDED ECC on all memories
- 1× Single-core Arm® Cortex®-M4F MCU at up to 400MHz
- 256KB SRAM with SECDED ECC
- 2× gigabit Industrial munication Subsystems (PRU_ICSSG)
- Supports Profinet IRT, Profinet RT, EtherNet/IP, EtherCAT, Time-Sensitive Networking (TSN), and more