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Texas Instruments RM46L430CPGET
- Part No.:
- RM46L430CPGET
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 144-LQFP
- Datasheet:
-
RM46L430CPGET.pdf
- Description:
- IC MCU 16/32BIT 1MB FLSH 144LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:4,926
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Product details
Overview
RM46L430CPGET from Texas Instruments is a safety-certified 32-bit ARM Cortex-R4F microcontroller for ASIL-D and SIL-3 applications, featuring dual lockstep CPUs, 1MB ECC flash, 128KB ECC RAM, 7 ePWM modules, 3 CAN controllers, and dual N2HET timing coprocessors. It targets motor control in industrial safety PLCs and medical infusion pumps.
For engineers reviewing the RM46L430CPGET datasheet, RM46L430CPGET pinout, RM46L430CPGET application, or RM46L430CPGET equivalent, this page delivers verified specifications, package mapping to 144-pin LQFP (PGE), functional pin roles, safety architecture details, and validated alternative parts for safety-critical real-time control design.
Technical Context
The RM46L430CPGET implements a dual-CPU lockstep architecture with BIST, ECC on flash/RAM, parity on peripheral memories, and loopback I/O for ISO 26262/IEC 61508 compliance. Its FMPLL and nonmodulating PLL provide robust clock generation with voltage and clock monitoring.
It integrates two N2HET modules (32+18 programmable channels), seven ePWM modules with deadband and trip-zone protection, six eCAP modules, two eQEP modules, and two 12-bit MibADCs (24 total inputs, 64-word parity-protected buffers each) - all designed for deterministic real-time motor and motion control.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | ARM Cortex-R4F, 1.66 DMIPS/MHz @ up to 200 MHz (332 DMIPS peak) |
| Memory | 1MB program flash with ECC + 64KB emulated EEPROM with ECC + 128KB RAM with ECC |
| Safety Features | Dual lockstep CPUs, CPU/RAM BIST, ECC on flash/RAM, parity on peripheral memories, error signaling module with nERROR pin |
| Timing Peripherals | N2HET1 (32 channels), N2HET2 (18 channels), 7 ePWM, 6 eCAP, 2 eQEP, RTI timer, 128-channel VIM |
| Analog & Communication | Two 12-bit MibADCs (24 ch total), 3 DCAN (CAN 2.0A/B), 2 MibSPI + 2 SPI, 2 SCI (1 with LIN 2.1), 1 I2C, USB 2.0 host/device |
| Supply & Package | VCC = 1.14–1.32 V, VCCIO = 3.0–3.6 V; 144-pin LQFP (PGE), green RoHS-compliant package |
Pinout & Package
RM46L430CPGET is packaged in a 144-pin LQFP (PGE) with 20.0 mm × 20.0 mm body size, lead-free and RoHS-compliant. Pin functions are multiplexed and configurable via the I/O Multiplexing Module (IOMM).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| nPORRST | Power-on reset input | Active-low asynchronous reset asserted at power-up; initiates full device initialization sequence |
| nRST | Warm reset input | Active-low synchronous reset that preserves certain register states and enables fast recovery without full reinitialization |
| nERROR | Error signaling output | Open-drain active-low output driven by Error Signaling Module (ESM) upon detection of uncorrectable fault (e.g., double-bit RAM error, CPU mismatch) |
| ECLK | External clock monitor output | Programmable low-frequency output derived from VCLK; used externally to verify system clock integrity during safety diagnostics |
| GIOA[0]–GIOA[7], GIOB[0]–GIOB[7] | General-purpose I/O | 16 GPIO pins capable of generating interrupts; configurable as inputs/outputs or alternate peripheral functions (ePWM, eCAP, etc.) |
Key Features
| Feature | Design Value |
|---|---|
| Dual lockstep Cortex-R4F CPUs | Hardware-enforced instruction-level comparison ensures continuous runtime fault detection for ASIL-D/SIL-3 compliance |
| ECC-protected memory subsystem | 1MB flash and 128KB RAM both implement single-bit correction/double-bit detection - eliminates silent data corruption in safety-critical code/data |
| N2HET timing coprocessors | Two independent high-end timers (32+18 channels) offload complex waveform generation and event capture from main CPU, enabling deterministic real-time response |
| ePWM with integrated safety logic | 7 modules support high-side/low-side PWM, programmable deadband, trip-zone inputs, and synchronization with MibADC - essential for IGBT/MOSFET gate drive in motor inverters |
| MibADC with shared channel architecture | Two 12-bit converters share 16 analog inputs; 64-word parity-protected buffer per ADC enables reliable sensor data acquisition in noisy industrial environments |
Applications
| Industrial Safety PLCs | Medical Infusion Pumps |
|---|---|
Use Scenario: Real-time execution of safety logic (e.g., emergency stop, door interlock) with hardware-enforced redundancy and diagnostic coverage. IC Role / Device Role / Timing Role: Primary safety controller executing certified firmware; lockstep CPU and ECC memory ensure fault-free operation under EMI stress. Use Value: Meets IEC 61508 SIL-3 requirements with built-in BIST, error signaling, and memory protection - reduces external safety monitor complexity. |
Use Scenario: Precise flow-rate control and dose delivery with fail-safe shutdown upon sensor anomaly or actuator fault. IC Role / Device Role / Timing Role: Central motion and communication controller managing stepper/servo drivers, pressure sensors, and HMI via CAN/I2C. Use Value: Integrated ePWM + eQEP + MibADC enables closed-loop position/speed/pressure control without external timing ICs - improves BOM reliability. |
| Wind Turbine Pitch Control | Robotic Surgery Actuation |
Use Scenario: High-availability blade pitch adjustment using redundant position feedback and torque monitoring across harsh temperature ranges. IC Role / Device Role / Timing Role: Real-time motion controller interfacing with absolute encoders (eQEP), current sensors (MibADC), and CAN-based SCADA network. Use Value: Dual N2HET modules generate synchronized PWM for dual-motor redundancy while HTU handles DMA transfers - guarantees sub-μs timing jitter. |
Use Scenario: Sub-millimeter precision joint actuation with force feedback and thermal derating monitoring in sterile surgical environments. IC Role / Device Role / Timing Role: Safety-certified motion controller running certified RTOS; uses eCAP for torque-sensor pulse capture and DCAN for master-slave coordination. Use Value: On-chip CRC, DMA-protected transfers, and dedicated MPU regions prevent memory corruption during high-interrupt surgical sequences - critical for FDA Class III approval. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar safety microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| RM46L830PGE | 1.25MB ECC flash, 192KB ECC RAM, same peripherals and safety architecture | Higher memory capacity supports larger safety firmware images and dual-application partitioning (e.g., safety + non-safety tasks) | Select when >1MB flash or >128KB RAM required for certified application code and diagnostics storage |
| RM48L952ZWT | 337-ball BGA, 220-MHz Cortex-R4F, 3MB flash, EMAC, no EMIF; higher performance but different package and feature set | Targeted at Ethernet-connected safety gateways requiring TCP/IP stack and higher compute throughput | Choose only if BGA packaging, EMAC, or >200-MHz operation is mandatory - not drop-in compatible due to pinout and peripheral differences |
Compared with RM46L430CPGET, RM46L830PGE offers greater memory headroom for complex safety monitors, while RM48L952ZWT provides Ethernet connectivity and higher clock speed at the cost of package change and loss of EMIF - neither is pin-compatible, but both belong to the same Hercules safety MCU family with consistent safety IP and toolchain support.
Availability
RM46L430CPGET is available at Aetrix Electronics and suitable for industrial safety PLCs, medical infusion pumps, wind turbine pitch systems, and robotic surgery actuation requiring stable component supply, long-term lifecycle assurance, and traceable sourcing for certified designs.
Supply support for RM46L430CPGET 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 technologies, with deep expertise in functional safety and automotive-grade silicon.
The RM46L430CPGET belongs to TI's Hercules™ ARM-based safety microcontroller product line, engineered specifically for ASIL-D and SIL-3 applications in industrial automation, medical devices, and transportation systems where failure is not an option.
FAQ
What safety certifications does the RM46L430CPGET support?
The RM46L430CPGET is architected to meet ISO 26262 ASIL-D and IEC 61508 SIL-3 requirements. Its dual lockstep CPUs, ECC memory, BIST, parity-protected peripherals, and error signaling module (nERROR) form a hardware foundation for certified safety software. TI provides safety manuals, FMEDA reports, and diagnostic software libraries - all required for RM46L430CPGET-based system certification.
Does the RM46L430CPGET include hardware debug and trace capabilities?
Yes, the RM46L430CPGET integrates ARM CoreSight™ debug infrastructure including JTAG boundary scan, SWD, ETM trace (32-bit data), and DAP. It supports real-time trace via SWO and includes 8 hardware breakpoints and 4 watchpoints. These features are fully accessible through TI's Code Composer Studio and third-party debug tools for certified development workflows.
What is the maximum operating temperature range for the RM46L430CPGET?
The RM46L430CPGET is rated for operation from –40°C to +105°C ambient temperature. This extended industrial temperature range is validated across all core and I/O supply domains (VCC = 1.14–1.32 V, VCCIO = 3.0–3.6 V) and supports deployment in demanding environments such as turbine nacelles, MRI rooms, and factory-floor control cabinets.
Can the RM46L430CPGET interface directly with incremental encoders?
Yes, the RM46L430CPGET includes two Enhanced Quadrature Encoder Pulse (eQEP) modules, each supporting direct connection to standard A/B/Z-phase incremental encoders. Each eQEP captures position, direction, and speed information with hardware filtering and index-event latching - eliminating need for external encoder interface ICs in motor control and robotics applications using RM46L430CPGET.
Is external memory supported on the RM46L430CPGET?
Yes, the RM46L430CPGET features a 16-bit External Memory Interface (EMIF) supporting asynchronous and synchronous memories (SRAM, NOR flash, PSRAM). It provides EMIF_CLK, EMIF_nCS[4:0], EMIF_ADDR[12:0], EMIF_DATA[15:0], and control signals - enabling expansion beyond on-chip 1MB flash and 128KB RAM for boot code staging or data logging in RM46L430CPGET-based systems.
RM46L430CPGET Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 144-LQFP
- Series:
- Hercules™ RM4 ARM® Cortex®-R4, Functional Safety (FuSa)
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-R4F
- Core Size:
- 16/32-Bit
- Speed:
- 200MHz
- Connectivity:
- CANbus, EBI/EMI, I2C, LINbus, MibSPI, SCI, SPI, UART/USART, USB
- Peripherals:
- DMA, POR, PWM, WDT
- Number of I/O:
- 64
- Program Memory Size:
- 1MB (1M x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 64K x 8
- RAM Size:
- 128K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.14V ~ 1.32V
- Data Converters:
- A/D 24x12b
- Oscillator Type:
- External
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
RM46L430CPGET FAQ
1.How can I place an order for RM46L430CPGET through Aetrix?
Please submit a Request for Quotation (RFQ) for RM46L430CPGET 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 RM46L430CPGET reliable?
The price and inventory of RM46L430CPGET are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for RM46L430CPGET is usually 5 days.
3.What payment methods are accepted for RM46L430CPGET?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for RM46L430CPGET transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for RM46L430CPGET?
RM46L430CPGET orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your RM46L430CPGET 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 RM46L430CPGET?
For technical support, including RM46L430CPGET datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your RM46L430CPGET requirements.
6.How does Aetrix verify that RM46L430CPGET is sourced from the original manufacturer or authorized distributors?
All RM46L430CPGET 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 RM46L430CPGET meets industry standards.
7.What is the process for return or replacement of RM46L430CPGET?
All RM46L430CPGET units undergo pre-shipment inspection (PSI). If there is an issue with RM46L430CPGET, 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 RM46L430CPGET part is unused and in its original packaging.
Return procedure for RM46L430CPGET:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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