LM3S101-ERN20-C2T Texas Instruments Integrated Circuit (Other) In Stock
LM3S101-ERN20-C2T is a 32-bit ARM Cortex-M3 microcontroller from Texas Instruments. Features 18 I/O lines, boundary scan, and 32 kHz max clock frequency in a PQFP-28 package. Available in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Other
- Pin Count
- 48
- Lifecycle
- OBSOLETE
- Datasheet
- LM3S101-ERN20-C2T Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 105.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 32-bit ARM Cortex-M3 core for high-performance embedded control
- 18 configurable I/O lines supporting boundary scan (JTAG) for easy debug
- ADC integration enables direct analog signal acquisition without external components
- Compact PQFP-28 (R-PQFP-G28) package suited for space-constrained PCB designs
- 34 parametric specs fully documented for precise design-in decisions
Applications
The LM3S101-ERN20-C2T is well-suited for low-power embedded control applications such as industrial sensor nodes, motor drive controllers, and building automation systems. Its integrated ADC and 18 I/O lines make it ideal for data acquisition modules and smart energy metering devices. The boundary scan support simplifies production test and in-circuit debugging in high-reliability consumer and industrial designs.
Specifications
| Reach Compliance Code | Unknown |
| YTEOL | 0 |
| Has ADC | YES |
| Bit Size | 32 |
| Boundary Scan | YES |
| Clock Frequency-Max | 0.032MHz |
| DAC Channels | NO |
| DMA Channels | NO |
| JESD-30 Code | R-PQFP-G28 |
| Number of I/O Lines | 18 |
| On Chip Program ROM Width | 8 |
| PWM Channels | YES |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP28,.4 |
| Package Shape | RECTANGULAR |
| Package Style | CHIP CARRIER |
| Peak Reflow Temperature (Cel) | NOT SPECIFIED |
| Qualification Status | Not Qualified |
| RAM (bytes) | 2048 |
| ROM (words) | 8192 |
| ROM Programmability | FLASH |
| Speed | 20MHz |
| Supply Current-Max | 50mA |
| Supply Voltage-Max | 3.6V |
| Supply Voltage-Min | 3.3V |
| Supply Voltage-Nom | 3.3V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | NOT SPECIFIED |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC |
| Package | Other |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| HTS Code | 8542.31.00.25 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for LM3S101-ERN20-C2T:
Frequently Asked Questions
What is the core architecture of the LM3S101-ERN20-C2T?
The LM3S101-ERN20-C2T is based on a 32-bit ARM Cortex-M3 processor core, offering deterministic execution, Thumb-2 instruction set support, and a maximum clock frequency of 32 kHz, making it suitable for low-power embedded control tasks.
How many I/O lines does the LM3S101-ERN20-C2T provide and what package does it come in?
The device provides 18 I/O lines and is housed in a PQFP-28 package (JESD-30 code R-PQFP-G28), balancing a compact footprint with a reasonable pin count for typical embedded applications.
Does the LM3S101-ERN20-C2T include an ADC, and what applications is it best suited for?
Yes, the LM3S101-ERN20-C2T includes an integrated ADC, enabling direct analog signal measurement. It is best suited for sensor data acquisition, industrial monitoring, building automation, and other low-power microcontroller applications requiring mixed-signal capability.
What replacement or alternative microcontrollers are compatible with the LM3S101-ERN20-C2T?
Pin-compatible and functionally similar alternatives within the Texas Instruments Stellaris LM3S family include the LM3S102 and LM3S300 series, which offer higher I/O counts or additional peripherals while maintaining the same ARM Cortex-M3 core architecture.
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Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
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