Texas Instruments AM3357BZCZD60

Overview

AM3357BZCZD60 from Texas Instruments is a 800-MHz ARM Cortex-A8-based Sitara™ processor with 256KB L2 cache (ECC), 64KB OCMC RAM, dual 1-Gbps Ethernet MACs with integrated switch and IEEE 1588v1 support, PRU-ICSS for EtherCAT/PROFINET offload, and 8-channel 12-bit SAR ADC - deployed in industrial HMIs, programmable logic controllers, and smart grid edge nodes.

For engineers reviewing the AM3357BZCZD60 datasheet, AM3357BZCZD60 pinout, AM3357BZCZD60 application, or AM3357BZCZD60 equivalent, this page delivers verified SoC-level specifications, ZCZ-package ball mapping, real-time industrial protocol capability, thermal operating range (–40°C to 90°C), and direct alternative part comparisons for embedded system design and BOM migration.

Technical Context

The AM3357BZCZD60 implements a single-core ARM Cortex-A8 CPU with NEON SIMD coprocessor, 32KB L1 instruction and 32KB L1 data cache (parity-protected), and 256KB L2 cache with ECC - enabling deterministic execution for Linux-based industrial control. Its PRU-ICSS subsystem operates independently at 200 MHz with dual 32-bit RISC cores, 8KB instruction RAM, 8KB data RAM, and 12KB shared RAM, supporting hard real-time EtherCAT frame processing without CPU intervention.

Memory subsystem includes 16-bit DDR3/DDR3L interface (400-MHz clock, 800-MHz data rate), GPMC for NAND/NOR/SRAM, and on-chip boot ROM (176KB) with secure boot option. Power management integrates five ADPLLs, SmartReflex Class 2B adaptive voltage scaling, and three switchable power domains (MPU, GFX, PER) for dynamic DVFS across OPP50/OPP100/OPP120 performance points.

Key Specifications

Pinout & Package

AM3357BZCZD60 uses a 324-pin NFBGA (ZCZ) package with 0.80-mm ball pitch and 15.0 mm × 15.0 mm body size. Ball assignments follow TI's standardized ZCZ pin map, supporting full I/O multiplexing across six functional banks (GPIO0–GPIO5), with dedicated high-speed interfaces including DDR3, GPMC, USB PHY, and dual Ethernet PHY lanes.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar ARM-based industrial processor applications.

Compared with AM3357BZCZD60, AM3358BZCZD80 delivers 25% higher CPU performance for latency-tolerant workloads, while AM3356BZCZD60 reduces active power by ~30% at the expense of real-time determinism - making the AM3357BZCZD60 the optimal balance of performance, PRU-ICSS capability, and thermal efficiency for mid-tier industrial edge nodes.

Availability

AM3357BZCZD60 is available at Aetrix Electronics and suitable for industrial HMIs, programmable logic controllers, and smart grid edge nodes requiring stable component supply across extended product lifecycles.

Supply support for AM3357BZCZD60 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Texas Instruments is a global semiconductor leader specializing in analog, embedded processing, and connectivity solutions for industrial, automotive, and communications markets.

The AM335x Sitara™ processor family targets industrial automation and human-machine interface applications, integrating ARM Cortex-A8 performance with PRU-ICSS real-time co-processing and industrial protocol acceleration.

FAQ

What is the maximum operating frequency of the AM3357BZCZD60?

The AM3357BZCZD60 is rated for 800 MHz operation across its specified industrial temperature range (–40°C to +90°C). This frequency is validated per TI's Operating Performance Points (OPPs), with OPP120 enabling sustained 800-MHz execution under thermal and voltage constraints defined in the datasheet's recommended operating conditions.

Does the AM3357BZCZD60 support IEEE 1588 Precision Time Protocol?

Yes, the AM3357BZCZD60 supports IEEE 1588v1 Precision Time Protocol with hardware timestamping in both Ethernet MACs. The implementation includes dedicated registers for ingress/egress timestamp capture and alignment with system clocks generated by the PRCM module - enabling sub-microsecond time synchronization in industrial Ethernet networks.

What industrial communication protocols does the PRU-ICSS in AM3357BZCZD60 support?

The PRU-ICSS in AM3357BZCZD60 supports EtherCAT, PROFINET, EtherNet/IP, PROFIBUS, Ethernet Powerlink, and Sercos through firmware libraries provided by Texas Instruments. These protocols execute deterministically on the dual 200-MHz PRU cores, independent of the ARM Cortex-A8, ensuring cycle times under 100 µs without CPU scheduling interference.

What is the function of the 8-channel ADC in AM3357BZCZD60?

The AM3357BZCZD60 integrates an 8-channel, 12-bit SAR ADC capable of 200 kSPS sampling. It serves dual roles: analog sensor signal acquisition (e.g., temperature, pressure) and resistive touch screen controller (TSC) operation in 4-, 5-, or 8-wire configurations - all managed by dedicated TSC/ADC subsystem registers and DMA channels.

Is secure boot supported on AM3357BZCZD60?

Yes, AM3357BZCZD60 supports optional secure boot using ROM-based cryptographic verification of the first-stage bootloader. This feature requires custom part engagement with Texas Instruments and leverages on-chip AES, SHA, and RNG accelerators to validate signature integrity before code execution - preventing unauthorized firmware loading in critical infrastructure deployments.