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| PartNumber | LM3S5632-IQR50-A0T | LM3S5632-IQR50-A0 | LM3S5632-IQR50 |
| Description | ARM Microcontrollers - MCU ARM Cortex-M3 128K | ARM Microcontrollers - MCU ARM Cortex-M3 128K | |
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Category | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | Embedded - Microcontrollers |
| RoHS | Y | Y | - |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | LQFP-64 | LQFP-64 | - |
| Series | LM3S5632 | LM3S5632 | StellarisR ARMR CortexR-M3S 5000 |
| Core | ARM Cortex M3 | ARM Cortex M3 | ARM Cortex M3 |
| Data Bus Width | 32 bit | 32 bit | 32 bit |
| Maximum Clock Frequency | 50 MHz | 50 MHz | 50 MHz |
| Program Memory Size | 128 kB | 128 kB | 128KB (128K x 8) |
| Data RAM Size | 32 kB | 32 kB | 32 kB |
| ADC Resolution | 10 bit | 10 bit | 10 bit |
| Number of I/Os | 33 I/O | 33 I/O | - |
| Operating Supply Voltage | 2.5 V | 2.5 V | 2.5 V 3.3 V |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
| Packaging | Reel | Tray | Tray Alternate Packaging |
| Height | 1.4 mm | 1.4 mm | - |
| Length | 10 mm | 10 mm | - |
| Product | MCU | MCU | MCU |
| Program Memory Type | Flash | Flash | FLASH |
| Width | 10 mm | 10 mm | - |
| Brand | Texas Instruments | Texas Instruments | - |
| Interface Type | CAN, I2C, SPI, SSI, UART | CAN, I2C, SPI, SSI, UART, USB | CAN I2C SPI SSI UART USB |
| Analog Supply Voltage | 3.3 V | 3.3 V | - |
| I/O Voltage | 3.3 V | 3.3 V | - |
| Moisture Sensitive | Yes | Yes | - |
| Number of ADC Channels | 6 | 6 | 6 |
| Number of Timers/Counters | 5 Timer | 5 Timer | - |
| Processor Series | Stellaris | Stellaris | Stellaris |
| Product Type | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | - |
| Factory Pack Quantity | 1000 | 160 | - |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | - |
| Supply Voltage Max | 2.75 V | 2.75 V | - |
| Supply Voltage Min | 2.25 V | 2.25 V | - |
| Tradename | Stelaris | Stelaris | Stelaris |
| Unit Weight | 0.012088 oz | 0.012088 oz | 0.012088 oz |
| Package Case | - | - | LQFP-64 |
| Operating Temperature | - | - | -40°C ~ 85°C (TA) |
| Supplier Device Package | - | - | 64-LQFP (10x10) |
| Number of I O | - | - | 33 |
| Speed | - | - | 50MHz |
| EEPROM Size | - | - | - |
| Core Processor | - | - | ARMR CortexR-M3 |
| RAM Size | - | - | 32K x 8 |
| Peripherals | - | - | Brown-out Detect/Reset, DMA, POR, PWM, WDT |
| Connectivity | - | - | CAN, I2C, IrDA, Microwire, SPI, SSI, UART/USART, USB |
| Voltage Supply Vcc Vdd | - | - | 2.25 V ~ 2.75 V |
| Core Size | - | - | 32-Bit |
| Data Converters | - | - | A/D 6x10b |
| Oscillator Type | - | - | Internal |
| Supply Voltage Max | - | - | 2.75 V 3.6 V |
| Supply Voltage Min | - | - | 2.25 V 2.3 V 3 V |
| Number of I Os | - | - | 33 I/O |
| Number of Timers Counters | - | - | 5 Timer |