My Inquiry
My Account
Texas Instruments RM48L952DPGET
- Part No.:
- RM48L952DPGET
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 144-LQFP
- Datasheet:
-
RM48L952DPGET.pdf
- Description:
- IC MCU 16/32BIT 3MB FLSH 144LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:126
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
RM48L952DPGET from Texas Instruments is a safety-certified 32-bit ARM Cortex-R4F microcontroller with dual lockstep CPUs, 3 MB flash (ECC-protected), 256 KB RAM (ECC-protected), and integrated diagnostics for industrial safety and medical applications. It delivers 365 DMIPS at 220 MHz, supports IEEE 802.3 Ethernet, three CAN 2.0B controllers, and two 12-bit MibADCs with 24 total channels.
For engineers reviewing the RM48L952DPGET datasheet, RM48L952DPGET pinout, RM48L952DPGET application, or RM48L952DPGET equivalent, this page provides verified technical context, safety-critical peripheral integration details, real-time control timing specifications, and validated alternative options for functional safety system design.
Technical Context
The RM48L952DPGET implements a dual-CPU lockstep architecture with built-in BIST, ECC on flash and SRAM, parity on peripheral memories, and error signaling via dedicated nERROR pin. Its FMPLL clock module generates internal clocks up to 220 MHz while supporting slip detection and voltage monitoring.
Real-time peripherals include two N2HET modules (N2HET1: 32 channels; N2HET2: 18 channels), each with hardware angle generation and HTU-based DMA transfers protected by MPU. The device integrates three MibSPIs, two SPIs, one LIN, one SCI, three DCANs, I²C, EMAC (MII/RMII/MDIO), and dual USB (2-port host + 1-device) compliant with OHCI 1.0 and USB 2.0/1.1.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | ARM Cortex-R4F with FPU, 1.66 DMIPS/MHz, max 220 MHz → 365 DMIPS performance for deterministic real-time execution |
| Memory | 3 MB program flash (ECC), 256 KB data RAM (ECC), 64 KB emulated EEPROM flash (ECC) - enables safe firmware storage and runtime data integrity |
| Safety Architecture | Dual lockstep CPUs, CPU BIST, memory BIST, ECC/parity protection, ESM with nERROR output - meets IEC 61508 SIL-3 and ISO 26262 ASIL-D requirements |
| Analog Peripherals | Two 12-bit MibADCs: ADC1 (24 channels), ADC2 (16 shared), 64-word parity-protected buffers - supports redundant sensor acquisition in safety loops |
| Communication | Three DCAN 2.0B controllers (up to 1 Mbps), EMAC (10/100 Mbps), USB 2.0 host/device, I²C (100/400 kbps), LIN 2.1 - enables multi-protocol fieldbus and networked safety subsystems |
| Timing & Control | N2HET1 (32 channels), N2HET2 (18 channels), RTI timer, 96-channel VIM, CRC module - provides precise PWM, capture, GPIO timing for actuator/sensor control |
| Package & I/O | LQFP-144 (PGE), 3.3-V I/O supply, 1.2-V core supply, 16 GPIO pins - compatible with industrial PCB layouts requiring thermal reliability and signal integrity |
Pinout & Package
LQFP-144 (PGE) package, 20.0 mm × 20.0 mm body size, green RoHS-compliant finish. Pin functions defined per TI SPNS177D datasheet Section 4.1 and Table 4-1.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| nPORRST | Power-on reset input | Active-low asynchronous reset asserted during power ramp; initiates BIST and memory initialization sequence |
| nERROR | Error signaling output | Open-drain output toggled by ESM on detected fault (CPU, memory, clock, voltage) - used for external safety shutdown coordination |
| GIOA[0]–GIOA[7], GIOB[0]–GIOB[7] | General-purpose I/O | 16 configurable GPIO pins with interrupt capability; default multiplexed functions include CAN, SPI, ADC inputs, N2HET I/O |
| MIBSPI1_CLK / SOMI / SIMO / nCS[0–3] | Multibuffered SPI interface | Primary high-speed serial interface for sensor/actuator communication; supports daisy-chain and independent slave selection |
| CAN1TX / CAN1RX, CAN2TX / CAN2RX, CAN3TX / CAN3RX | CAN controller I/O | Three isolated differential CAN bus interfaces compliant with ISO 11898-1; support fault-tolerant networking in noisy environments |
| AD1IN[0]–AD1IN[23], AD2IN[0]–AD2IN[15] | Analog input channels | 24 dedicated + 16 shared single-ended analog inputs; routed to two independent 12-bit ADC modules with parity-protected buffers |
Key Features
| Feature | Design Value |
|---|---|
| Dual lockstep Cortex-R4F CPUs | Hardware-enforced instruction-level redundancy with automatic fault detection and error signaling via nERROR pin |
| ECC-protected memory subsystem | Single-bit correction/double-bit detection on 3 MB flash and 256 KB RAM - prevents silent data corruption in safety-critical code/data |
| N2HET timing coprocessors | N2HET1 (32 channels) and N2HET2 (18 channels) with HTU-based DMA and MPU isolation - offloads complex timing tasks from main CPU |
| Integrated safety monitoring | ESM monitors CPU, memory, clock, voltage faults; FMPLL slip detector and voltage monitors provide early warning of timing violations |
| EMAC with MII/RMII/MDIO | IEEE 802.3-compliant 10/100 Mbps Ethernet interface supporting industrial protocol stacks (EtherCAT, PROFINET IRT) |
| USB 2.0 host/device dual-mode | OHCI 1.0-compliant 2-port host controller + full-speed device controller - enables field service, configuration, and diagnostics over USB |
Applications
| Industrial Safety PLC | Medical Infusion Pump |
|---|---|
Use Scenario: Safe programmable logic controller executing SIL-3 certified control logic in hazardous zones with redundant I/O monitoring. IC Role / Device Role / Timing Role: Primary safety controller managing dual-channel sensor inputs, watchdog supervision, and fail-safe actuator outputs via N2HET and DCAN. Use Value: Lockstep CPU execution and ECC memory ensure deterministic response within <100 µs worst-case interrupt latency for emergency stop sequences. |
Use Scenario: Precision drug delivery system requiring FDA Class III certification with dual-sensor flow verification and motor control. IC Role / Device Role / Timing Role: Real-time safety monitor coordinating ADC sampling of pressure/flow sensors, stepper motor timing via N2HET, and CAN-based alarm reporting. Use Value: Parity-protected MibADC buffers and dual CAN interfaces enable redundant sensor fusion and fail-operational communication to nurse stations. |
| Radiation Therapy Controller | Wind Turbine Pitch Control |
Use Scenario: Beam targeting system where hardware-level fault detection must prevent unsafe radiation exposure during treatment cycles. IC Role / Device Role / Timing Role: Safety-critical motion controller interfacing with position encoders (via N2HET), current sensors (via MibADC), and servo drives (via CAN). Use Value: Built-in BIST and ESM-triggered nERROR output enable immediate beam shutdown within <500 ns of fault detection. |
Use Scenario: Distributed pitch control node in offshore wind farms exposed to EMI, vibration, and wide temperature swings (-40°C to +105°C). IC Role / Device Role / Timing Role: Fieldbus gateway aggregating blade angle sensors (SPI), wind speed (ADC), and communicating via DCAN to central turbine controller. Use Value: 3.3-V I/O tolerance, -40°C to +105°C operating range, and CAN 2.0B robustness ensure reliable operation in harsh environmental conditions. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar safety microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| RM48L952ZWT | 337-ball NFBGA package (16 mm × 16 mm); identical electrical specs and safety features; higher pin count enables more peripheral routing flexibility | Preferred for space-constrained designs requiring maximum I/O expansion (e.g., multi-axis motion controllers) | Select RM48L952ZWT when board layout requires finer pitch, higher I/O density, or thermal dissipation via solder balls |
| RM46L852ZWT | Lower memory (1280 KB flash, 192 KB RAM), no EMAC or USB, same Cortex-R4F core and lockstep safety architecture | Suitable for cost-sensitive safety applications without Ethernet or USB connectivity (e.g., basic safety relays) | Choose RM46L852ZWT only if Ethernet, USB, and extended memory are unnecessary - retains SIL-3/ASIL-D compliance |
Compared with RM48L952ZWT, the RM48L952DPGET offers identical safety architecture and performance but in a larger LQFP-144 package optimized for manual assembly and thermal management; compared with RM46L852ZWT, it adds critical networking and memory capacity needed for complex diagnostic and update-capable safety systems.
Availability
RM48L952DPGET is available at Aetrix Electronics and suitable for industrial safety PLCs, medical infusion pumps, radiation therapy systems, and wind turbine pitch control requiring stable component supply and long-term lifecycle support.
Supply support for RM48L952DPGET 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 over 50 years of innovation in industrial and automotive markets.
The RM48L952DPGET belongs to TI's Hercules™ ARM-based safety MCUs product line, designed specifically for IEC 61508 SIL-3 and ISO 26262 ASIL-D certified applications in industrial automation, medical devices, and transportation systems.
FAQ
What safety certifications does the RM48L952DPGET support?
The RM48L952DPGET supports IEC 61508 SIL-3 and ISO 26262 ASIL-D certification through its dual lockstep CPU, ECC memory, BIST logic, and ESM error signaling. TI provides certified safety documentation including FMEDA reports, safety manuals, and diagnostic software libraries - all required for RM48L952DPGET-based system certification.
Does the RM48L952DPGET include an Ethernet MAC, and what interfaces does it support?
Yes, the RM48L952DPGET includes a fully integrated IEEE 802.3-compliant 10/100 Mbps Ethernet MAC (EMAC) supporting MII, RMII, and MDIO interfaces. This enables direct connection to PHY transceivers for industrial protocols like EtherCAT or PROFINET IRT without external glue logic - a key feature distinguishing RM48L952DPGET from lower-tier Hercules devices.
How many analog input channels does the RM48L952DPGET support, and how are they distributed?
The RM48L952DPGET supports 24 dedicated analog inputs on ADC1 and 16 shared inputs between ADC1 and ADC2, totaling up to 40 usable channels. All channels feed into two independent 12-bit MibADC modules, each with 64-word parity-protected result buffers - enabling redundant sampling and cross-checking for safety-critical measurements in RM48L952DPGET applications.
What is the role of the N2HET modules in the RM48L952DPGET, and how many channels do they provide?
The RM48L952DPGET integrates two Next Generation High-End Timer (N2HET) modules: N2HET1 with 32 programmable channels and N2HET2 with 18 channels. These offload precise timing tasks - such as PWM generation, pulse capture, and GPIO sequencing - from the main CPU, ensuring deterministic real-time behavior essential for RM48L952DPGET-based safety systems.
Can the RM48L952DPGET operate in extended temperature ranges, and what are its supply voltage requirements?
Yes, the RM48L952DPGET is rated for operation from –40°C to +105°C ambient temperature. It requires a 1.2-V nominal core supply (VCC, 1.14–1.32 V range) and a 3.3-V nominal I/O supply (VCCIO, 3.0–3.6 V range). The ADC supply (VCCAD) accepts 3.0–5.25 V, allowing direct interfacing with industrial sensors without level-shifting - a key design advantage for RM48L952DPGET deployments.
RM48L952DPGET 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:
- 220MHz
- Connectivity:
- CANbus, EBI/EMI, Ethernet, I2C, LINbus, MibSPI, SCI, SPI, UART/USART, USB
- Peripherals:
- DMA, POR, PWM, WDT
- Number of I/O:
- 64
- Program Memory Size:
- 3MB (3M x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 64K x 8
- RAM Size:
- 256K 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:
RM48L952DPGET FAQ
1.How can I place an order for RM48L952DPGET through Aetrix?
Please submit a Request for Quotation (RFQ) for RM48L952DPGET 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 RM48L952DPGET reliable?
The price and inventory of RM48L952DPGET are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for RM48L952DPGET is usually 5 days.
3.What payment methods are accepted for RM48L952DPGET?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for RM48L952DPGET transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for RM48L952DPGET?
RM48L952DPGET orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your RM48L952DPGET 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 RM48L952DPGET?
For technical support, including RM48L952DPGET datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your RM48L952DPGET requirements.
6.How does Aetrix verify that RM48L952DPGET is sourced from the original manufacturer or authorized distributors?
All RM48L952DPGET 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 RM48L952DPGET meets industry standards.
7.What is the process for return or replacement of RM48L952DPGET?
All RM48L952DPGET units undergo pre-shipment inspection (PSI). If there is an issue with RM48L952DPGET, 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 RM48L952DPGET part is unused and in its original packaging.
Return procedure for RM48L952DPGET:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
RM48L952DPGET Tags
-
ATTINY4-TSHR
Microchip Technology
-
ATTINY10-TSHR
Microchip Technology
-
ATTINY10-TS8R
Microchip Technology
-
ATTINY202-SSNR
Microchip Technology
-
ATTINY202-SSFR
Microchip Technology
-
ATTINY402-SSNR
Microchip Technology
-
PIC16F15213T-I/MF
Microchip Technology
-
PIC16F15213-E/MF
Microchip Technology
-
PIC10F200T-I/OT
Microchip Technology
-
ATTINY412-SSNR
Microchip Technology
-
PIC10F202T-I/OT
Microchip Technology
-
ATTINY404-SSNR
Microchip Technology
Tech Hub
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…
