Stellaris® ARM® Cortex™-M-based MCUs - 1000 Series - LM3S1B21

Sample or Buy

Part#	Status	Price \| QTY	Package \| Pins	Package QTY \| Carrier	Distributor Inventory	TI 1k Lead Time	Sample or Buy
LM3S1B21-IBZ80-C5	ACTIVE	4.80 \| 1ku	NFBGA (ZCR) \| 108	184	No Stock	Typical lead time for 1k quantity: 4 to 8 weeks	Contact Distributor
LM3S1B21-IBZ80-C5T	ACTIVE	4.85 \| 1ku	NFBGA (ZCR) \| 108	1000	No Stock	For lead times contact TI Authorized Distributor or local TI sales office	Contact Distributor
LM3S1B21-IQC80-C5	ACTIVE	4.80 \| 1ku	LQFP (PZ) \| 100	90	421	For lead times contact TI Authorized Distributor or local TI sales office
LM3S1B21-IQC80-C5T	ACTIVE	4.85 \| 1ku	LQFP (PZ) \| 100	1000	No Stock	For lead times contact TI Authorized Distributor or local TI sales office	Contact Distributor

* Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For higher volume price quotes,prices in local currency or delivery quotes, please contact your local Texas Instruments Sales Office or Authorized Distributor.

Technical Documents

Datasheet (1)

Title	Abstract	Type	Size (KB)	Date	Views
Stellaris LM3S1B21 Microcontroller Data Sheet (Rev. G)		PDF	5474	30 Jan 2012

Application Notes (23)

Title	Abstract	Type	Size (KB)	Date	Views
Using SYS/BIOS with Stellaris® ARM® Cortex™-M3 Microcontrollers		Multiple Files		27 Jan 2012	83
Differences Among Stellaris Product Classes (Rev. A)		PDF	502	06 Dec 2011	2,452
System Design Guidelines for Stellaris Microcontrollers		PDF	520	27 Sep 2011	3,808
Stellaris ADC Calibration (AN01282) (Rev. B)	Read Abstract	PDF	273	02 Aug 2011	1,630
Configuring Stellaris with Pin Multiplexing (AN01274) (Rev. A)	Read Abstract	Multiple Files		26 Apr 2010	2,098
Using AES Encryption and Decryption with Stellaris Microcontrollers (AN01251) (Rev. B)	Read Abstract	PDF	113	08 Jan 2010	1,744
Using a 9-bit Software UART with Stellaris (AN01280)	Read Abstract	Multiple Files		07 Jul 2009	1,471
Using Stellaris MCUs Internal Flash Memory to Emulate EEPROM (AN01267)	Read Abstract	Multiple Files		07 Jul 2009	1,706
Using the Stellaris Serial Flash Loader (AN01242)	Read Abstract	Multiple Files		07 Jul 2009	2,297
Using the Stellaris Microcontroller Analog-to-Digital Converter (AN01247)	Read Abstract	PDF	170	07 Jul 2009	1,328
Using IEC 60730 for Safe and Reliable Operation of Stellaris Devices (AN01272)	Read Abstract	Multiple Files		07 Jul 2009	1,399
Using Schematic Part Libraries and PCB Footprint Libraries for Stellaris	Read Abstract	PDF	178	07 Jul 2009	3,012
Programming the On-Chip Flash Memory in a Stellaris Microcontroller (AN01237)	Read Abstract	PDF	95	07 Jul 2009	1,487
Optimizing Code Performance and Size for Stellaris Microcontrollers (AN01265)	Read Abstract	PDF	161	07 Jul 2009	1,214
Implementing RS-232 Flow Control on a Stellaris Microcontroller (AN01255)	Read Abstract	PDF	74	07 Jul 2009	1,366
Flash Protection for Stellaris Microcontrollers (AN01257)	Read Abstract	PDF	83	07 Jul 2009	995
Clocking Options for Stellaris Family Microcontrollers (AN01240)	Read Abstract	PDF	95	07 Jul 2009	1,295
Adding 32KB of Serial SRAM to a Stellaris Microcontroller (AN01243)	Read Abstract	PDF	97	07 Jul 2009	1,270
ADC Oversampling Techniques for Stellaris Microcontrollers (AN01239)	Read Abstract	PDF	177	07 Jul 2009	1,293
Using AES Encryption and Decryption with Stellaris Microcontrollers (AN01251)		PDF	126	07 Jul 2009	1,744
Using a Stellaris Microcontroller as an I/O Processor (AN01241)	Read Abstract	PDF	126	07 Jul 2009	1,392
Upgrading to Stellaris Microcontrollers from Microchip's PIC MCUs (AN01249)	Read Abstract	PDF	112	07 Jul 2009	1,165
Software UART for Stellaris Microcontrollers (AN01270)	Read Abstract	Multiple Files		07 Jul 2009	1,946

User Guides (7)

Title	Type	Size (KB)	Date	Views
TI SYS/BIOS v6.33 Real-time Operating System User's Guide (Rev. K)	PDF	2229	06 Feb 2012	12,384
StellarisWare Release Notes (SW-RLN) (Rev. N)	PDF	1598	11 Dec 2011	2,735
Stellaris Peripheral Driver Library User's Guide (SW-DRL-UG) (Rev. M)	PDF	2135	11 Dec 2011	3,211
Cortex-M3/M4F Instruction Set Technical User's Manual (Rev. A)	PDF	2338	23 Nov 2011	2,040
Stellaris Boot Loader User's Guide (SW-BOOTLDR-UG) (Rev. M)	PDF	399	11 Nov 2011	2,986
Stellaris Graphics Library User's Guide (SW-GRL-UG) (Rev. N)	PDF	1693	11 Nov 2011	2,082
Stellaris LM3S1B21 ROM User's Guide (Rev. A)	PDF	927	16 Sep 2011	377

Selection Guides (2)

Title	Abstract	Type	Size (KB)	Date	Views
Stellaris Family Product Selection Guide (Rev. J)		PDF	1078	27 Jan 2012	4,758
Stellaris Family Product Selector Guide (Excel) (Rev. H)		ZIP	56	27 Jan 2012	2,476

White Papers (1)

Title	Abstract	Type	Size (KB)	Date	Views
Serial Wire Debug—Ideal for Microcontrollers		PDF	84	09 Sep 2010	1,153

Errata (3)

Title	Type	Size (KB)	Date	Views
Stellaris LM3S1B21 Rev C5 Errata	PDF	289	25 Oct 2011	390
Stellaris LM3S1B21 Rev C3 Errata (Rev. J)	PDF	380	25 Oct 2011	378
ARM Cortex-M3 Errata (r1p1 and r2p0)	PDF	89	12 Nov 2008	1,876

More Literature (2)

Title	Abstract	Type	Size (KB)	Date	Views
Stellaris LM3S1B21 Microcontroller Pin List (Rev. B)		ZIP	4	25 Feb 2012	258
Stellaris LM3S1B21 Microcontroller Product Brief (Rev. B)		PDF	223	08 Jul 2011	488

Simulation Models

BSDL Model
- Stellaris LM3S1B21 100LQFP BSDL Model (ZIP 3 KB)
  14 Jun 2010 256 views
- Stellaris LM3S1B21 108BGA BSDL Model (ZIP 3 KB)
  14 Jun 2010 256 views
IBIS Model
- Stellaris LM3S1B21 100LQFP IBIS Model (ZIP 247 KB)
  14 Jun 2010 248 views
- Stellaris LM3S1B21 108BGA IBIS Model (ZIP 247 KB)
  14 Jun 2010 250 views

Support and Community

Contents are provided "AS IS" by the respective TI and Community contributors and do not constitute TI specifications. See Terms of Use.

Training & Events

Name	Type	Available During
Getting Started with Cortex-M3 and StellarisWare Workshop A hands-on overview of TI's Stellaris ARM Cortex M3-based microcontrollers emphasizing tools, architecture and peripherals.	1-Day Workshops	Wed, 29 Feb 2012 - Wed, 11 Apr 2012
Texas Instruments' Training Lab - ARM Tech Conference 2010 This self-paced training course provides an introduction to the various components that make up the C66x KeyStone devices.	On-Line Training	On Demand
Introduction to Stellaris® ARM Cortex™-M3 MCUs TI's Stellaris MCUs pair the ARM Cortex-M3 core along with advanced communication capabilities...	On-Line Training	On Demand
StellarisWare® Advanced - Taking your knowledge to the next level In this advanced session, we will cover the specific components that make up StellarisWare.	On-Line Training	On Demand
How to Setup a Project within CCSv4 Learn how to set up a project in CCSv4 in this short video.	On-Line Training	On Demand

See more Training & Events

Customer Tags

No Tags are Available for this Part Number

Name	Part Number	Software / Tool Type
Configuring Stellaris® Microcontrollers with Pin Multiplexing (AN01274)	SPMA008A	Application Software
Cortex Microcontroller Software Interface Standard (CMSIS) for Stellaris® MCUs	CMSIS_LM3S	Application Software
Creating an Autonomous Car with the Stellaris® LM3S316 Microcontroller (AN01245)	SPMA009	Application Software
Evaluating PeerSec Networks' MatrixSSL on a Stellaris® Microcontroller (AN01244)	SPMA010	Application Software
Keil debug interface DLL	LMIDK-AGDI	Application Software
Serial Flash Loader	SERIAL_FLASH_LOADER	Application Software
Software UART for Stellaris® Microcontrollers (AN01270)	SPMA017	Application Software
Stellaris® FTDI driver	LM_FTDI_DRIVER	Application Software
Stellaris® Family Driver Library Installer	PDL-LM3S-EXE	Application Software
Stellaris® Flash Programmer, GUI and command line	LMFLASHPROGRAMMER	Application Software
StellarisWare® Driver Library Standalone Package	SW-DRL	Application Software
StellarisWare® Driver Library User's Guide (SW-DRL-UG)	SPMU019K	Application Software
StellarisWare® Graphics Library Standalone Package	SW-GRL	Application Software
StellarisWare® Graphics Library User's Guide (SW-GRL-UG)	SPMU018L	Application Software
StellarisWare® IQ Math Standalone Package	SW-IQMATH	Application Software
StellarisWare® USB Library Standalone Package	SW-USBL	Application Software
StellarisWare® USB Library User's Guide (SW-USBL-UG)	SPMU020L	Application Software
StellarisWare® Windows-side USB examples	SW-USB-WIN	Application Software
Using IEC 60730 for Safe and Reliable Operation of Stellaris® Devices (AN01272)	SPMA023	Application Software
Using Stellaris® Microcontroller's Internal Flash Memory to Emulate EEPROM (AN01267)	SPMA030	Application Software
Using a 9-bit Software UART with Stellaris® (AN01280)	SPMA032	Application Software
Using the Stellaris® Flash Loader (AN01242)	SPMA029	Application Software
Using the Stellaris® LM3S615 and LM3S316 to Control a CNC Machine (AN01246)	SPMA027	Application Software
CAD Libraries for Stellaris MCU packages	STELLARIS_PCB_LIB	Application-Specific Libraries
Raw dimensional data necessary for CAD software	STELLARIS_PLB_LIB	Application-Specific Libraries
Stellaris® Schematic Part Library for Altium (referenced in AN01256)	LM_PARTLIBRARY_ALTIUM	Application-Specific Libraries
Stellaris® Schematic Part Library for OrCAD (referenced in AN01256)	LM_PARTLIBRARY_ORCAD	Application-Specific Libraries
Stellaris® Schematic Part Library for PADS Logic (referenced in AN01256)	LM_PARTLIBRARY_PADSLOGIC	Application-Specific Libraries
LM3S1968 Evaluation Kits	EK-LM3S1968	Development Boards/EVMs
SYS/BIOS Real-Time Operating System (RTOS)	SYSBIOS	Operating Systems (OS/RTOS)

LM3S1B21 Status: ACTIVE

Stellaris Microcontroller

Datasheet

Software and Development Tools

TI Software and Development Tools