32-bit ARM Cortex M3 RISC microcontroller featuring 256KB Flash program memory and 64KB RAM. This surface-mount device operates at a maximum clock rate of 20 MHz and offers 60 programmable I/Os. Connectivity includes CAN, Ethernet, I2C, I2S, SSI, UART, and USB interfaces. Packaged in a 64-pin LQFP with a 0.5mm pin pitch, it supports a supply voltage range of 1.32V to 3.6V and operates from -40°C to 85°C. Includes dual ADCs with 16 channels each.
PackageLQFP
MountingSurface Mount
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Technical Specifications
Texas Instruments LM3S9997-IQR20-C0 technical specifications.
General
| Basic Package Type | Lead-Frame SMT |
| Package Family Name | QFP |
| Package/Case | LQFP |
| Package Description | Low Profile Quad Flat Package |
| Lead Shape | Gull-wing |
| Pin Count | 64 |
| PCB | 64 |
| Package Length (mm) | 10.2(Max) |
| Package Width (mm) | 10.2(Max) |
| Package Height (mm) | 1.45(Max) |
| Seated Plane Height (mm) | 1.6(Max) |
| Pin Pitch (mm) | 0.5 |
| Package Material | Plastic |
| Mounting | Surface Mount |
| Jedec | MS-026BCD |
| Family Name | Stellaris |
| Data Bus Width | 32bit |
| Instruction Set Architecture | RISC |
| Maximum Clock Rate | 20MHz |
| Maximum CPU Frequency | 20MHz |
| Device Core | ARM Cortex M3 |
| Program Memory Type | Flash |
| Program Memory Size | 256KB |
| RAM Size | 64KB |
| Number of Programmable I/Os | 60 |
| Core Architecture | ARM |
| Programmability | Yes |
| Number of Timers | 4 |
| Interface Type | CAN/Ethernet/I2C/I2S/SSI/UART/USB |
| CAN | 2 |
| I2C | 2 |
| SPI | 0 |
| Ethernet | 1 |
| UART | 3 |
| USART | 0 |
| USB | 1 |
| I2S | 1 |
| Max Operating Supply Voltage | 1.32|3.6V |
| Min Operating Temperature | -40°C |
| Max Operating Temperature | 85°C |
| ADC Channels | 16/16 |
| Number of ADCs | Dual |
Compliance
| Cage Code | 01295 |
| HTS Code | 8542310001 |
| Schedule B | 8542310000 |
| Automotive | No |
| AEC Qualified | No |
| PPAP | No |
| Radiation Hardening | No |
| RoHS Versions | 2011/65/EU |
Datasheet
Texas Instruments LM3S9997-IQR20-C0 Datasheet
Download the complete datasheet for Texas Instruments LM3S9997-IQR20-C0 to view detailed technical specifications.
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