| Part Number | MSP430F1121AIPW | MSP430F1121AIPWR | 
|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | 
| Category | Embedded - Microcontrollers | Embedded - Microcontrollers | 
|   |   | |
| Product Status | Active | Active | 
| Core Processor | MSP430 CPU16 | MSP430 CPU16 | 
| Core Size | 16-Bit | 16-Bit | 
| Speed | 8MHz | 8MHz | 
| Connectivity | - | - | 
| Peripherals | POR, WDT | POR, WDT | 
| Number of I/O | 14 | 14 | 
| Program Memory Size | 4KB (4K x 8 + 256B) | 4KB (4K x 8 + 256B) | 
| Program Memory Type | Flash | Flash | 
| EEPROM Size | - | - | 
| RAM Size | 256 x 8 | 256 x 8 | 
| Voltage - Supply (Vcc/Vdd) | 1.8V ~ 3.6V | 1.8V ~ 3.6V | 
| Data Converters | Slope A/D | Slope A/D | 
| Oscillator Type | Internal | Internal | 
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | 20-TSSOP (0.173", 4.40mm Width) | 20-TSSOP (0.173", 4.40mm Width) | 
| Supplier Device Package | 20-TSSOP | 20-TSSOP |