AM261...ZNC datasheet(1/218 Pages) TI2

部件名	AM261...ZNC

功能描述	AM261x Sitara™ Microcontrollers

PDF	218 Pages

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制造商	TI2 [Texas Instruments]

网页	https://www.ti.com

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AM261x Sitara™ Microcontrollers

1 Features

Processor Cores:

• Single and Dual Arm® Cortex® R5F CPU with each

core running up to 500MHz

– 16KB I-Cache with 64-bit ECC per CPU core

– 16KB D-cache with 32-bit ECC per CPU core

– 256KB Tightly Coupled Memory (TCM) with 32-

bit ECC per core

– Lockstep or Dual-core operation supported

• Trigonometric Math Unit (TMU) for accelerating

trigonometric functions

– Up to 2x, one per R5F MCU core

Memory:

• 1.5MB of On-Chip Shared RAM (OCSRAM):

– 3 banks × 512KB

– ECC error protection for full 1.5MB OCSRAM

– Remote L2 Cache (RL2) for external memory,

software programmable up to 256KB per CPU

core

• 2x Octal Serial Peripheral Interface (OSPI) up to

133MHz SDR and DDR

– 1x with eXecute In Place (XIP) support

– RAM expansion/Flash over the Air (FOTA)

• General-Purpose Memory Controller (GPMC)

– 16-bit parallel data bus with 22-bit address bus

and 4 chip selects

– Up to 4MB addressable memory space

– Integrated Error Location Module (ELM)

support for error checking

System on Chip (SoC) Services and Architecture:

• 1x EDMA to support data movement functions

• Device Boot supported from the following

interfaces:

– UART (Primary/Backup)

– OSPI NOR and NAND Flash (50MHz SDR and

25MHz DDR) (Primary)

– USB Peripheral boot

• Interprocessor communication modules

– SPINLOCK module for synchronizing

processes running on multiple cores

– MAILBOX functionality implemented through

CTRLMMR registers

• Central Platform Time Sync (CPTS) support with

time-sync and compare-event interrupt routers

• Timer Modules:

– 2x Windowed Watchdog Timer (WWDT)

– 4x Real Time Interrupt (RTI) timer

USB 2.0

• Port configurable as USB host, USB device, or

USB Dual-Role device

• USB 2.0 Host mode

– High-Speed (HS, 480Mbps)

– Full-Speed (FS, 12Mbps)

– Low-Speed (LS, 1.5Mbps)

• USB 2.0 Device mode

– High-Speed (HS, 480Mbps)

– Full-Speed (FS, 12Mbps)

Industrial Connectivity:

• 2x Programmable Real-time Unit – Industrial

Communication Subsystem (PRU-ICSS)

– Dual core Programmable Realtime Unit

Subsystem (PRU0 / PRU1) per PRU-ICSS for

4 cores total

• Deterministic hardware

• Dynamic firmware

– 20-channel enhanced input (eGPI) per PRU

– 20-channel enhanced output (eGPO) per PRU

– Embedded Peripherals and Memory

• 1x UART, 1x ECAP, 1x MDIO, 1x IEP

• 1x 32KB Shared General Purpose RAM

• 2x 8KB Shared Data RAM

• 1x 12KB IRAM per PRU

• ScratchPad (SPAD), MAC/CRC

– Digital encoder and sigma-delta control loops

– The PRU-ICSS enables advanced industrial

protocols including:

• EtherCAT®, Ethernet/IP™

• PROFINET®, IO-Link®

– Dedicated Interrupt Controller (INTC)

– Dynamic CONTROLSS XBAR Integration

High Speed Interfaces

• Integrated 3-port Gigabit Ethernet Switch (CPSW)

supporting up to two external ports

– Selectable MII (10/100), RMII (10/100), or

RGMII (10/100/1000)

– IEEE 1588 (2008 Annex D, Annex E, Annex F)

with 802.1AS PTP

– Clause 45 MDIO PHY management

– 512x ALE engine based packet classifiers

– Priority flow control with up to 2KB packet size

– Four CPU hardware interrupt pacing

– IP/ UDP/ TCP checksum offload in hardware

– Time Sensitive Network (TSN) Support

– Cut-thru switching and Interexpress Traffic

(IET) support

AM2612, AM2611, AM2611-Q1, AM2612-Q1

SPRSPA7C – SEPTEMBER 2024 – REVISED JULY 2025

An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,

intellectual property matters and other important disclaimers. PRODUCTION DATA.

类似零件编号 - AM261...ZNC

制造商	部件名	数据表	功能描述
Texas Instruments	AM261...ZNC	7Mb / 218P	AM261x Sitara™ Microcontrollers REVISED JULY 2025

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