| PartNumber | MSP430F4491IPZR | MSP430F449IPZ | MSP430F4491IPZ |
| Description | 16-bit Microcontrollers - MCU 16B Ultra-Lo-Pwr MCU | 16-bit Microcontrollers - MCU 60kB Flash 2048B RAM 12ADC/2USART 160sLCD | 16-bit Microcontrollers - MCU 16B Ultra-Lo-Pwr MCU |
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Category | 16-bit Microcontrollers - MCU | 16-bit Microcontrollers - MCU | 16-bit Microcontrollers - MCU |
| RoHS | Y | Y | Y |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | LQFP-100 | LQFP-100 | LQFP-100 |
| Series | MSP430F4491 | MSP430F449 | MSP430F4491 |
| Core | MSP430 | MSP430 | MSP430 |
| Data Bus Width | 16 bit | 16 bit | 16 bit |
| Maximum Clock Frequency | 16 MHz | 8 MHz | 16 MHz |
| Program Memory Size | 60 kB | 60 kB | 60 kB |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
| Packaging | Reel | Tube | Tray |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments |
| Moisture Sensitive | Yes | Yes | Yes |
| Processor Series | 4 Series | MSP430F449 | 4 Series |
| Product Type | 16-bit Microcontrollers - MCU | 16-bit Microcontrollers - MCU | 16-bit Microcontrollers - MCU |
| Factory Pack Quantity | 1000 | 90 | 90 |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | Microcontrollers - MCU |
| Tradename | MSP430 | MSP430 | MSP430 |
| Watchdog Timers | No Watchdog Timer | No Watchdog Timer | No Watchdog Timer |
| Unit Weight | 0.046530 oz | 0.023902 oz | 0.046530 oz |
| Data RAM Size | - | 2 kB | 2 kB |
| ADC Resolution | - | 12 bit | - |
| Number of I/Os | - | 48 I/O | 48 I/O |
| Operating Supply Voltage | - | 1.8 V to 3.6 V | 1.8 V to 3.6 V |
| Height | - | 1.4 mm | - |
| Length | - | 14 mm | - |
| Program Memory Type | - | Flash | Flash |
| Width | - | 14 mm | - |
| Data RAM Type | - | SRAM | SRAM |
| Data ROM Size | - | 256 B | - |
| Data ROM Type | - | Flash | - |
| Interface Type | - | SPI, UART, USART | SPI, UART |
| Number of ADC Channels | - | 8 Channel | - |
| Number of Timers/Counters | - | 2 Timer | 5 Timer |