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| PartNumber | MSP430F1491IPMG4 | MSP430F1491IPMR | MSP430F1491IPM |
| Description | 16-bit Microcontrollers - MCU 16-Bit UltLoPwr 60kB Flash 2KB RAM | 16-bit Microcontrollers - MCU 60 kB Flash 2KB RAM 2 USART + HW multplr | 16-bit Microcontrollers - MCU 60 kB Flash 2KB RAM 2 USART + HW multplr |
| 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-64 | LQFP-64 | LQFP-64 |
| Series | MSP430F1491 | MSP430F1491 | MSP430F1491 |
| Core | MSP430 | MSP430 | MSP430 |
| Data Bus Width | 16 bit | 16 bit | 16 bit |
| Maximum Clock Frequency | 8 MHz | 8 MHz | 8 MHz |
| Program Memory Size | 60 kB | 60 kB | 60 kB |
| Data RAM Size | 2 kB | 2 kB | 2 kB |
| Number of I/Os | 48 I/O | 48 I/O | 48 I/O |
| Operating Supply Voltage | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
| Packaging | Tube | Reel | Tube |
| Height | 1.4 mm | 1.4 mm | 1.4 mm |
| Length | 10 mm | 10 mm | 10 mm |
| Program Memory Type | Flash | Flash | Flash |
| Width | 10 mm | 10 mm | 10 mm |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments |
| Data ROM Size | 256 B | 256 B | 256 B |
| Data ROM Type | Flash | Flash | Flash |
| Interface Type | Serial | Serial | Serial |
| Moisture Sensitive | Yes | Yes | Yes |
| Number of Timers/Counters | 2 Timer | 2 Timer | 2 Timer |
| Processor Series | 1 Series | 1 Series | 1 Series |
| Product Type | 16-bit Microcontrollers - MCU | 16-bit Microcontrollers - MCU | 16-bit Microcontrollers - MCU |
| Factory Pack Quantity | 160 | 1000 | 160 |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | Microcontrollers - MCU |
| Tradename | MSP430 | MSP430 | MSP430 |
| Watchdog Timers | No Watchdog Timer | No Watchdog Timer | No Watchdog Timer |
| Unit Weight | 0.012088 oz | 0.012088 oz | 0.012088 oz |
| Part # Aliases | - | - | MSP430A024IPM |