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Texas Instruments LM3S8930-EQC50-A2T
- Part No.:
- LM3S8930-EQC50-A2T
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
LM3S8930-EQC50-A2T.pdf
- Description:
- IC MCU 32BIT 256KB FLASH 100LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:2,127
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Product details
Overview
LM3S8930-EQC50-A2T from Texas Instruments is a 32-bit ARM Cortex-M3 microcontroller with 256 KB flash, 64 KB SRAM, integrated CAN, Ethernet MAC, USB device, and hibernation module. It operates at 50 MHz, supports -40°C to +105°C industrial temperature range, and targets embedded control in motor drives and industrial automation.
For engineers reviewing the LM3S8930-EQC50-A2T datasheet, LM3S8930-EQC50-A2T pinout, LM3S8930-EQC50-A2T application, or LM3S8930-EQC50-A2T equivalent, key selection factors include its integrated Ethernet MAC (no external PHY required), dual CAN interfaces, hibernation mode with RTC and battery-backed memory, and industrial-grade thermal rating.
Technical Context
The LM3S8930-EQC50-A2T implements the ARMv7-M architecture with NVIC, SysTick, MPU, and debug support via JTAG/SWD. Its system-level integration includes a 50 MHz PLL-based clock tree, configurable GPIOs with slew-rate control, and power management supporting Sleep, Deep-Sleep, and Hibernation modes with wake-up on CAN, UART, or RTC events.
Peripherals are memory-mapped and share a common AHB/APB bus matrix. The Ethernet controller supports IEEE 802.3 10/100 Mbps MAC layer only; external PHY required. Dual CAN controllers comply with ISO 11898-1 (CAN 2.0A/B) and support programmable bit timing and message filtering.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | ARM Cortex-M3, 32-bit RISC, up to 50 MHz - enables deterministic real-time control with Thumb-2 instruction set and hardware divide. |
| Memory | 256 KB flash + 64 KB SRAM - sufficient for standalone Ethernet/CAN protocol stacks and application firmware without external memory. |
| Operating Temp | -40°C to +105°C - qualified for industrial motor control enclosures and factory-floor environments without forced cooling. |
| Integrated Peripherals | Ethernet MAC, dual CAN, USB 2.0 device, UART × 4, SSI × 2, I²C × 2, PWM × 8, ADC × 2 × 10-bit - reduces BOM count for networked industrial nodes. |
| Hibernation Mode | RTC + 2 KB battery-backed SRAM + wake-on-CAN/UART - enables low-power remote monitoring with sub-5 µA current draw. |
| Package | 100-pin LQFP (14 × 14 mm, 0.5 mm pitch) - compatible with standard surface-mount assembly and provides full peripheral pin access. |
Pinout & Package
LM3S8930-EQC50-A2T is housed in a 100-pin LQFP package (JEDEC MO-152AC) with exposed thermal pad. Pin assignments follow TI's standardized Stellaris pinout layout for 100-pin variants, including dedicated Ethernet MII pins (TXD0–TXD3, RXD0–RXD3, TXEN, RXER, CRS, COL), dual CANH/CANL pairs, and USB D+/D−.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VDDA, VDDUSB | Power supply inputs | Separate domains for digital core (VDD), analog (VDDA), and USB PHY (VDDUSB) - enable noise isolation and USB compliance. |
| PA0–PA7, PB0–PB7, etc. | GPIO banks A–G | Configurable as digital I/O, UART/SSI/I²C functions, or PWM outputs - supports multiplexed peripheral routing per TI's GPIO alternate function mapping. |
| RMII_TXD0–RMII_TXD1 | Ethernet MAC transmit data | Dedicated RMII interface pins - eliminates need for external MII-to-RMII bridge; requires external 50 MHz crystal or clock source. |
| CAN0RX/CAN0TX, CAN1RX/CAN1TX | CAN transceiver interface | Two independent CAN physical layer interfaces - supports dual-bus diagnostics or redundant fieldbus communication. |
| USB0DP/USB0DM | USB 2.0 full-speed differential pair | On-chip USB transceiver - enables HID, CDC, or custom class devices without external PHY. |
Key Features
| Feature | Design Value |
|---|---|
| Integrated Ethernet MAC | IEEE 802.3-compliant 10/100 Mbps MAC with RMII/MII support - reduces latency and component count vs. external MAC+PHY solutions. |
| Dual CAN Controllers | Two independent ISO 11898-1 compliant CAN modules with 32 message objects each - enables multi-network topology in automotive test equipment or industrial gateways. |
| Hibernation Module | Sub-5 µA hibernate current with RTC, battery-backed SRAM, and wake-on-CAN/UART - extends battery life in wireless sensor nodes or portable HMIs. |
| USB Device Controller | Full-speed (12 Mbps) USB 2.0 device with integrated transceiver - simplifies firmware updates and host-side debugging without external components. |
| Industrial Temperature Range | Rated for -40°C to +105°C operation - ensures reliability in uncontrolled ambient environments such as motor control cabinets or outdoor PLC enclosures. |
Applications
| Industrial Motor Control | Factory Automation Gateway |
|---|---|
Use Scenario: Closed-loop servo drive with position feedback, current sensing, and fieldbus connectivity. IC Role / Device Role / Timing Role: Real-time motion controller executing PID loops at ≤10 kHz while managing CANopen and EtherNet/IP messaging. Use Value: Integrated CAN + Ethernet + PWM + ADC enables single-chip implementation of drive intelligence without FPGA or companion ASIC. | Use Scenario: Protocol translator bridging Modbus RTU (RS-485) to EtherNet/IP in legacy machine retrofits. IC Role / Device Role / Timing Role: Network edge node performing serial-to-Ethernet packet conversion with deterministic latency under 1 ms. Use Value: Dual CAN + Ethernet MAC + multiple UARTs allow concurrent fieldbus and IP network interfacing with minimal external logic. |
| Remote Monitoring Node | Embedded HMI Controller |
Use Scenario: Battery-powered environmental sensor collecting temperature/humidity and reporting over CAN bus to central SCADA. IC Role / Device Role / Timing Role: Low-power data concentrator entering hibernation between 10-second measurement cycles, waking on RTC alarm. Use Value: Sub-5 µA hibernate current + integrated RTC + battery-backed SRAM eliminate external RTC chip and reduce standby power by >90% vs. non-hibernating MCUs. | Use Scenario: Touch-enabled operator panel with local display, keypad, and alarm logging in packaging machinery. IC Role / Device Role / Timing Role: Human interface processor handling touch scan, LCD refresh, button debounce, and CAN-based alarm forwarding. Use Value: 64 KB SRAM supports frame buffer for 320×240 monochrome display; USB device enables field firmware updates via thumb drive. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LM3S9B92-IQC50-A2 | Same Cortex-M3 core, 256 KB flash, but adds QEI and enhanced PWM; no Ethernet MAC; 100-pin LQFP. | Better suited for high-resolution motor encoder interfaces; lacks network connectivity for IP-based supervision. | Select when encoder-based position control dominates over Ethernet/CAN coexistence. |
| TM4C123GH6PM | Successor generation: same pinout, 32 KB SRAM (vs. 64 KB), added FPU, USB OTG, and enhanced analog; requires firmware migration. | Higher performance for floating-point math; backward-compatible hardware but not drop-in software replacement. | Select for new designs needing FPU or longer product lifecycle; not recommended for direct LM3S8930-EQC50-A2T replacement without validation. |
Compared with LM3S8930-EQC50-A2T, LM3S9B92-IQC50-A2 trades Ethernet for enhanced motor control peripherals, while TM4C123GH6PM offers modernized features and extended longevity at the cost of software compatibility and reduced SRAM - making LM3S8930-EQC50-A2T optimal for legacy-stable, networked industrial control where Ethernet+CAN coexistence is essential.
Availability
LM3S8930-EQC50-A2T is available at Aetrix Electronics and suitable for industrial motor control, factory automation gateways, remote monitoring nodes, and embedded HMI controllers requiring stable component supply across extended production lifecycles.
Supply support for LM3S8930-EQC50-A2T 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 headquartered in Dallas, Texas, delivering analog, embedded processing, and connectivity solutions for industrial, automotive, and consumer markets.
The Stellaris LM3S family was designed specifically for cost-sensitive, real-time embedded applications requiring integrated communication peripherals - especially where Ethernet, CAN, and USB must coexist on a single chip without external glue logic.
FAQ
Does LM3S8930-EQC50-A2T include an integrated Ethernet PHY?
No, the LM3S8930-EQC50-A2T integrates only the Ethernet MAC layer (IEEE 802.3 compliant). An external PHY chip (e.g., DP83848) is required for physical layer signaling. The device supports both MII and RMII interfaces, with RMII reducing pin count and simplifying board layout compared to full MII.
What is the maximum operating frequency of LM3S8930-EQC50-A2T?
The LM3S8930-EQC50-A2T operates at a maximum system clock frequency of 50 MHz, achieved using its internal PLL with a 1–25 MHz crystal or external clock input. This frequency is fully supported across the entire industrial temperature range (-40°C to +105°C) and all voltage supply conditions specified in the datasheet.
How many CAN interfaces does LM3S8930-EQC50-A2T support?
The LM3S8930-EQC50-A2T supports two independent CAN 2.0A/B-compliant controllers (CAN0 and CAN1), each with 32 message objects, programmable bit timing, and dedicated interrupt lines. Both controllers operate concurrently and can be configured for different baud rates and filter masks, enabling dual-network diagnostics or redundancy.
Is LM3S8930-EQC50-A2T pin-compatible with other Stellaris LM3S devices?
The LM3S8930-EQC50-A2T uses a 100-pin LQFP package with a pinout aligned to the LM3S8xx/9xx 100-pin family. It shares identical mechanical footprint and power/ground pin locations with LM3S811, LM3S8962, and LM3S9B92, but peripheral pin mappings differ - particularly for Ethernet and USB signals - so PCB reuse requires verification against TI's specific pin multiplexing tables.
What power modes does LM3S8930-EQC50-A2T support for low-energy operation?
The LM3S8930-EQC50-A2T supports Sleep, Deep-Sleep, and Hibernation modes. In Hibernation mode, it draws less than 5 µA while retaining RTC operation, 2 KB of battery-backed SRAM, and wake-up capability via CAN, UART, or external GPIO - making it suitable for battery-powered remote sensors and always-on industrial monitors.
LM3S8930-EQC50-A2T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 100-LQFP
- Series:
- Stellaris® ARM® Cortex®-M3S 8000
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M3
- Core Size:
- 32-Bit Single-Core
- Speed:
- 50MHz
- Connectivity:
- CANbus, Ethernet, I2C, IrDA, Microwire, SPI, SSI, UART/USART
- Peripherals:
- Brown-out Detect/Reset, POR, PWM, WDT
- Number of I/O:
- 34
- Program Memory Size:
- 256KB (256K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 64K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.25V ~ 2.75V
- Data Converters:
- -
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
LM3S8930-EQC50-A2T FAQ
1.How can I place an order for LM3S8930-EQC50-A2T through Aetrix?
Please submit a Request for Quotation (RFQ) for LM3S8930-EQC50-A2T 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 LM3S8930-EQC50-A2T reliable?
The price and inventory of LM3S8930-EQC50-A2T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LM3S8930-EQC50-A2T is usually 5 days.
3.What payment methods are accepted for LM3S8930-EQC50-A2T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LM3S8930-EQC50-A2T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LM3S8930-EQC50-A2T?
LM3S8930-EQC50-A2T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LM3S8930-EQC50-A2T 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 LM3S8930-EQC50-A2T?
For technical support, including LM3S8930-EQC50-A2T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LM3S8930-EQC50-A2T requirements.
6.How does Aetrix verify that LM3S8930-EQC50-A2T is sourced from the original manufacturer or authorized distributors?
All LM3S8930-EQC50-A2T 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 LM3S8930-EQC50-A2T meets industry standards.
7.What is the process for return or replacement of LM3S8930-EQC50-A2T?
All LM3S8930-EQC50-A2T units undergo pre-shipment inspection (PSI). If there is an issue with LM3S8930-EQC50-A2T, 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 LM3S8930-EQC50-A2T part is unused and in its original packaging.
Return procedure for LM3S8930-EQC50-A2T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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