Texas Instruments AM2432BSFFHIALVR
- Part No.:
- AM2432BSFFHIALVR
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 441-BFBGA, FCBGA
- Datasheet:
-
AM2432BSFFHIALVR.pdf
- Description:
- IC MCU 32BIT 256KB TCM 441FCBGA
- Quantity:
- Payment:

- Shipping:

Inventory:902
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Product details
Overview
AM2432BSFFHIALVR from Texas Instruments is a high-performance industrial Sitara™ microcontroller featuring dual-core Arm Cortex-R5F subsystems (up to 800MHz), a single-core Arm Cortex-M4F (400MHz), 2MB on-chip SRAM with SECDED ECC, DDR4/LPDDR4 support up to 1600 MT/s, and dual PRU_ICSSG subsystems for TSN-enabled industrial Ethernet. It targets real-time control in servo drives and remote I/O modules.
For engineers reviewing the AM2432BSFFHIALVR datasheet, AM2432BSFFHIALVR pinout, AM2432BSFFHIALVR application, or AM2432BSFFHIALVR equivalent, key selection criteria include dual R5F cluster configuration, functional safety certification (IEC 61508 SIL 2 hardware integrity), PRU_ICSSG protocol support (EtherCAT/PROFINET/TSN), and ALV FCBGA-441 package compatibility.
Technical Context
The AM2432BSFFHIALVR implements two independent Arm Cortex-R5F clusters-each with dual-core or single-core operation modes, 32KB I-cache/D-cache per core, and configurable TCM allocation (128KB per cluster). Its deterministic architecture includes dedicated low-latency paths to EPWM, ECAP, EQEP, and SDFM peripherals for sub-microsecond control loop execution.
It integrates a Device Management Security Controller (DMSC-L) for centralized boot, security, and power management; a Data Movement Subsystem (DMSS) with BCDMA/PKTDMA; and a Time Sync Subsystem with CPTS, TIMERMANAGER (1024 timers), and IEPs for IEEE 1588 timestamping. The MCU domain is isolatable with dedicated interconnect, firewalls, and voltage rail.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Cores | Dual-core Arm Cortex-R5F ×2 clusters (800MHz max); single-core Arm Cortex-M4F (400MHz) |
| On-Chip Memory | 2MB OCSRAM with SECDED ECC; 128KB TCM per R5F cluster; 256KB SRAM for M4F with SECDED ECC |
| Memory Interface | 16-bit DDR4/LPDDR4 with inline ECC, up to 1600 MT/s; supports up to 2GB addressable space |
| Industrial Connectivity | 2× PRU_ICSSG (each with 3× PRU cores, RGMII/MII, TSN, EtherCAT/PROFINET/EtherNet/IP support); 2× MCAN with full CAN-FD |
| Security & Safety | Hardware Root-of-Trust, secure boot, AES/SHA/PKA/DRBG accelerators; IEC 61508 certified (SIL 2 hardware integrity, SIL 3 systematic capability) |
| Package | FCBGA-441 (ALV), 17.2mm × 17.2mm, 0.8mm pitch, lidded flip-chip |
| Process Technology | 16-nm FinFET |
Pinout & Package
AM2432BSFFHIALVR uses the ALV package: 441-ball Flip-Chip Ball Grid Array (FCBGA), 17.2mm × 17.2mm, 0.8mm pitch, lidded construction. Pin functions are defined per ball grid location in the official TI pin diagram (Figure 5-1, SPRSP65J).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD_CORE | Core Power Supply | Supplies 0.85V to R5F/M4F cores; requires tight regulation and local decoupling for real-time stability |
| DDR0_DQ[0:15] | DDR Data Bus | 16-bit bidirectional data interface to LPDDR4/DDR4; routed with matched length and controlled impedance for 1600 MT/s operation |
| PRG0_PRU0_GPO0 | PRU General-Purpose Output | Configurable real-time GPIO from PRU0 cluster; usable for PWM, encoder sync, or custom protocol signaling |
| MCU_UART0_TXD | MCU Domain UART Transmit | Dedicated UART output from Cortex-M4F subsystem; isolated from MAIN domain for safety-critical diagnostics |
| USB0_DP / USB0_DM | USB 3.1 SuperSpeed Differential Pair | Shared SERDES lane with PCIe; enables 5Gbps host/device operation when not allocated to PCIe Gen2 |
| OSPI0_CLK / OSPI0_D[0:7] | Octal SPI Flash Interface | High-speed boot and code execution interface; supports x8 DDR mode for >200MB/s throughput |
Key Features
| Feature | Design Value |
|---|---|
| Dual R5F Cluster Architecture | Enables lockstep or split-core real-time task partitioning with independent TCM banks and cache coherency support |
| PRU_ICSSG with TSN | Provides hardware-accelerated time-sensitive networking (IEEE 802.1AS/1588) and deterministic Ethernet protocol stacks without CPU overhead |
| Isolatable MCU Domain | Allows Cortex-M4F, 256KB SRAM, and safety peripherals to operate independently with Freedom From Interference (FFI) via dedicated interconnect and firewalls |
| Functional Safety Certification | TI-provided IEC 61508 documentation, built-in self-test (BIST), ECC on critical memories, and ESM error signaling pin for SIL 2-compliant system design |
| Secure Boot with RoT | Hardware-enforced chain of trust using one-time programmable eFuses; supports anti-rollback, IP protection, and takeover prevention |
Applications
| Servo Motor Drive Control | PROFINET Device Node |
|---|---|
Use Scenario: High-bandwidth current/voltage loop control in industrial servo amplifiers with synchronized multi-axis motion. IC Role / Device Role / Timing Role: AM2432BSFFHIALVR executes real-time control algorithms on R5F clusters while PRU_ICSSG handles PROFINET IRT timing and fieldbus communication. Use Value: Sub-1µs jitter on EPWM outputs and hardware timestamping enable <100ns synchronization accuracy across axes. |
Use Scenario: Field device implementing PROFINET device functionality in factory automation networks with cycle times ≤1ms. IC Role / Device Role / Timing Role: AM2432BSFFHIALVR acts as PROFINET device controller using PRU_ICSSG for real-time frame processing and R5F for application logic. Use Value: Integrated IEPs and CPTS provide hardware-assisted IEEE 1588 timestamping required for PROFINET IRT Class A compliance. |
| Condition Monitoring Gateway | Functional Safety PLC I/O Module |
Use Scenario: Edge gateway aggregating vibration, temperature, and current data from multiple sensors for predictive maintenance analytics. IC Role / Device Role / Timing Role: AM2432BSFFHIALVR processes sensor inputs via ADC, SDFM, and EQEP interfaces; runs Linux on R5F while M4F handles real-time acquisition. Use Value: 12-bit ADC (4MSPS) and 18× SDFM channels enable simultaneous high-resolution analog and sigma-delta signal capture. |
Use Scenario: Safety-rated digital input/output module for SIL 2 PLC systems requiring diagnostic coverage and fault reaction within 100ms. IC Role / Device Role / Timing Role: AM2432BSFFHIALVR's isolatable MCU domain runs safety firmware on Cortex-M4F with dedicated 256KB SRAM and ESM error signaling. Use Value: Hardware BIST, ECC on SRAM, and windowed watchdog timers satisfy IEC 61508 hardware integrity requirements for SIL 2. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar industrial microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AM2434BSFFHIALVR | Includes second R5F cluster fully enabled (4 R5F cores total); higher GPIO count (198 vs. 148); same ALV package | Required for applications needing four R5F cores for parallel real-time tasks or asymmetric multiprocessing | Select AM2434BSFFHIALVR when dual R5F clusters must both operate in dual-core mode or when >148 GPIOs are needed. |
| AM2432BSFFHALXR | FCCSP-293 package (11.0mm × 11.0mm, 0.5mm pitch); reduced GPIO count (148); same R5F/M4F core configuration and feature set | Suitable for space-constrained designs where footprint reduction outweighs pin count needs | Choose AM2432BSFFHALXR for compact PCB layouts where 293-ball FCCSP fits mechanical constraints and 148 GPIOs suffice. |
Compared with AM2434BSFFHIALVR, AM2432BSFFHIALVR reduces R5F core count to two clusters (not four) and GPIOs to 148, lowering cost and power while retaining identical ALV packaging and industrial peripheral sets; versus AM2432BSFFHALXR, it trades smaller footprint for higher pin density and thermal performance in the larger FCBGA.
Availability
AM2432BSFFHIALVR is available at Aetrix Electronics and suitable for servo motor drives, PROFINET device nodes, and functional safety PLC I/O modules requiring stable component supply, long-term industrial lifecycle support, and traceable sourcing.
Supply support for AM2432BSFFHIALVR 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 company delivering analog and embedded processing solutions, with leadership in industrial, automotive, and power management technologies.
The AM243x family is designed as high-performance, functional-safety-capable Sitara™ microcontrollers targeting deterministic real-time control in industrial automation, motor drives, and networked edge devices.
FAQ
What is the maximum operating frequency of the Arm Cortex-R5F cores in AM2432BSFFHIALVR?
The Arm Cortex-R5F cores in AM2432BSFFHIALVR operate at up to 800MHz per core within each dual-core cluster. This speed is achievable under recommended operating conditions with proper thermal management and power delivery. The AM2432BSFFHIALVR datasheet specifies this as the maximum sustained frequency for real-time deterministic operation, validated across process corners and temperature ranges.
Does AM2432BSFFHIALVR support secure boot with hardware root-of-trust?
Yes, AM2432BSFFHIALVR supports hardware-enforced secure boot with a configurable Root-of-Trust (RoT) implemented in the DMSC-L. It includes eFuse-based key storage, anti-rollback protection, IP protection, and takeover prevention mechanisms-all verified per TI's IEC 61508 functional safety documentation. The AM2432BSFFHIALVR implements these features without external dependencies.
What industrial Ethernet protocols does AM2432BSFFHIALVR support via its PRU_ICSSG subsystems?
AM2432BSFFHIALVR supports Profinet IRT and RT, EtherNet/IP, EtherCAT, and Time-Sensitive Networking (TSN) through its dual PRU_ICSSG subsystems. These protocols are enabled by dedicated PRU RISC cores, hardware timestamping (IEPs), and CPTS, with protocol stack support confirmed in TI's AM243x software development kits. The AM2432BSFFHIALVR does not require host CPU intervention for protocol timing-critical operations.
Is AM2432BSFFHIALVR qualified for functional safety applications per IEC 61508?
Yes, AM2432BSFFHIALVR is IEC 61508-certified by TÜV SÜD with hardware integrity up to SIL 2 and systematic capability up to SIL 3. It includes ECC on calculation-critical memories, built-in self-test (BIST) for CPU and RAM, Error Signaling Module (ESM), and run-time diagnostics (voltage, temperature, clock monitoring). These features are integral to the AM2432BSFFHIALVR silicon and documented in TI's functional safety package.
What memory interfaces are available on AM2432BSFFHIALVR for external storage?
AM2432BSFFHIALVR provides DDR4/LPDDR4 (16-bit bus, up to 1600 MT/s), OSPI/QSPI flash (configurable as octal or quad SPI), MMCSD (eMMC and SDIO), GPMC (16-/32-bit parallel bus), and FSS for external memory expansion. All interfaces include ECC or parity where applicable-DDR has inline ECC, OCSRAM has SECDED ECC, and GPMC supports ELM error location. These are native interfaces of the AM2432BSFFHIALVR SoC.
AM2432BSFFHIALVR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 441-BFBGA, FCBGA
- Series:
- Sitara™
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M4F, ARM® Cortex®-R5F
- Core Size:
- 32-Bit Quad-Core
- Speed:
- 400MHz, 800MHz
- Connectivity:
- CANbus, Ethernet, I2C, MMC/SDIO, QSPI, SPI, UART/USART, USB
- Peripherals:
- AES, DMA, POR, PWM, SHA, WDT
- Number of I/O:
- 198
- Program Memory Size:
- 256KB (256K x 8)
- Program Memory Type:
- Tightly Coupled Memory (TCM)
- EEPROM Size:
- -
- RAM Size:
- 256K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.71V ~ 1.89V, 3.135V ~ 3.465V
- Data Converters:
- A/D 8x12b
- Oscillator Type:
- External, Internal
- Operating Temperature:
- -40°C ~ 125°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
AM2432BSFFHIALVR FAQ
1.How can I place an order for AM2432BSFFHIALVR through Aetrix?
Please submit a Request for Quotation (RFQ) for AM2432BSFFHIALVR on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for AM2432BSFFHIALVR reliable?
The price and inventory of AM2432BSFFHIALVR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AM2432BSFFHIALVR is usually 5 days.
3.What payment methods are accepted for AM2432BSFFHIALVR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AM2432BSFFHIALVR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AM2432BSFFHIALVR?
AM2432BSFFHIALVR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AM2432BSFFHIALVR order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for AM2432BSFFHIALVR?
For technical support, including AM2432BSFFHIALVR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AM2432BSFFHIALVR requirements.
6.How does Aetrix verify that AM2432BSFFHIALVR is sourced from the original manufacturer or authorized distributors?
All AM2432BSFFHIALVR products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that AM2432BSFFHIALVR meets industry standards.
7.What is the process for return or replacement of AM2432BSFFHIALVR?
All AM2432BSFFHIALVR units undergo pre-shipment inspection (PSI). If there is an issue with AM2432BSFFHIALVR, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The AM2432BSFFHIALVR part is unused and in its original packaging.
Return procedure for AM2432BSFFHIALVR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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