| Part Number | LM3S1958-IBZ50-A2T | LM3S1918-IBZ50-A2T |
|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments |
| Category | Embedded - Microcontrollers | Embedded - Microcontrollers |
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| Product Status | Not For New Designs | Not For New Designs |
| Core Processor | ARM® Cortex®-M3 | ARM® Cortex®-M3 |
| Core Size | 32-Bit Single-Core | 32-Bit Single-Core |
| Speed | 50MHz | 50MHz |
| Connectivity | I²C, IrDA, Microwire, SPI, SSI, UART/USART | I²C, IrDA, Microwire, SPI, SSI, UART/USART |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT | Brown-out Detect/Reset, POR, PWM, WDT |
| Number of I/O | 52 | 52 |
| Program Memory Size | 256KB (256K x 8) | 256KB (256K x 8) |
| Program Memory Type | Flash | Flash |
| EEPROM Size | - | - |
| RAM Size | 64K x 8 | 64K x 8 |
| Voltage - Supply (Vcc/Vdd) | 2.25V ~ 2.75V | 2.25V ~ 2.75V |
| Data Converters | A/D 8x10b | A/D 8x10b |
| Oscillator Type | Internal | Internal |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | 108-LFBGA | 108-LFBGA |
| Supplier Device Package | 108-BGA (10x10) | 108-BGA (10x10) |