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LM3S2139-EQC25-A2

LM3S2139-EQC25-A2

LM3S2139-EQC25-A2

Texas Instruments

64KB 64K x 8 FLASH ARM® Cortex®-M3 32-Bit Microcontroller Stellaris® ARM® Cortex®-M3S 2000 Series LM3S2139 100 Pin 25MHz 2.5V 100-LQFP

SOT-23

LM3S2139-EQC25-A2 Datasheet PDF

non-compliant

Technical Specifications

Parameter NameValue
TypeParameter
Mount Surface Mount
Mounting Type Surface Mount
Package / Case 100-LQFP
Number of Pins 100
Operating Temperature-40°C~105°C TA
PackagingTray
Series Stellaris® ARM® Cortex®-M3S 2000
JESD-609 Code e3
Pbfree Code yes
Part StatusObsolete
Moisture Sensitivity Level (MSL) 3 (168 Hours)
Number of Terminations 100
Terminal Finish Tin (Sn)
Terminal Position QUAD
Terminal FormGULL WING
Supply Voltage 2.5V
Frequency 25MHz
Base Part Number LM3S2139
Pin Count100
Operating Supply Voltage3.3V
Interface CAN, I2C, I2S, IrDA, SCI, SPI, UART, USART, USB
Memory Size64kB
Oscillator TypeInternal
Number of I/O 56
RAM Size 16K x 8
Voltage - Supply (Vcc/Vdd) 2.25V~2.75V
uPs/uCs/Peripheral ICs Type MICROCONTROLLER, RISC
Number of Bits 10
Core Processor ARM® Cortex®-M3
Peripherals Brown-out Detect/Reset, POR, PWM, WDT
Program Memory TypeFLASH
Core Size 32-Bit
Program Memory Size 64KB 64K x 8
Connectivity CANbus, I2C, IrDA, Microwire, SPI, SSI, UART/USART
Bit Size 32
Data Converter A/D 4x10b
Watchdog TimerYes
Has ADC YES
DMA Channels YES
Data Bus Width 32b
PWM Channels YES
DAC Channels NO
Number of Timers/Counters 5
Address Bus Width8
Core Architecture ARM
Number of A/D Converters 1
Number of UART Channels 2
Length 14.2mm
Radiation HardeningNo
RoHS StatusROHS3 Compliant
Lead Free Contains Lead
In-Stock:3252 items

LM3S2139-EQC25-A2 Product Details

LM3S2139-EQC25-A2 Overview


The package has a 100-LQFP shape. With 56 I/Os, it's pretty good. The Microcontroller's mounting type is Surface Mount and this IC chip has the following features. As the name implies, this Microcontroller is based on the 32-Bit core. As far as its program memory type is concerned, it is FLASH. Temperatures within -40°C~105°C TA range are measured by this Microcontroller. The Stellaris® ARM® Cortex®-M3S 2000 series is comprised of this electrical component. The electronic part has a program memory size of 64KB 64K x 8. There's a ARM® Cortex®-M3 Core Processor inside. The IC chip fits into the MICROCONTROLLER, RISC uPs/uCs/Peripheral ICs category. There are 100 terminations on the IC chip. 32-bits are the size of the data that comes with MCU. A 2.5V volt supply is provided by the Microcontroller chip. In addition to that, MCU chip has YES DMA channels. Its memory size is 64kB. It is possible to find alternatives to the base part number LM3S2139 by using the part number search tool. An effective performance can be achieved at a frequency of 25MHz. There are a total of YES channels in the device. It is possible to access the 100 pins on the chip. In total, it has 5 timers and counters in it. A total of 100 pins are included in the package. This device features a ARM core architecture. As far as UART channels are concerned, it has 2. It has a set of 1 A/D converters on board the device. A chip with 10 bits has 10 bits in total.

LM3S2139-EQC25-A2 Features


100-LQFP package
Mounting type of Surface Mount


LM3S2139-EQC25-A2 Applications


There are a lot of Texas Instruments
LM3S2139-EQC25-A2 Microcontroller applications.


  • Robots
  • Radio
  • Television
  • Heater/Fan
  • Calculator
  • Kindle
  • Christmas lights
  • 3D printers
  • Washing machine
  • Microwave ovens

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