| Part Number | MSP430I2021TPWR | MSP430I2031TPWR | 
|---|---|---|
| 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 | 16.384MHz | 16.384MHz | 
| Connectivity | I²C, IrDA, SCI, SPI, UART/USART | I²C, IrDA, SCI, SPI, UART/USART | 
| Peripherals | Brown-out Detect/Reset, PWM, WDT | Brown-out Detect/Reset, PWM, WDT | 
| Number of I/O | 12 | 12 | 
| Program Memory Size | 32KB (32K x 8) | 32KB (32K x 8) | 
| Program Memory Type | Flash | Flash | 
| EEPROM Size | - | - | 
| RAM Size | 2K x 8 | 2K x 8 | 
| Voltage - Supply (Vcc/Vdd) | 2.2V ~ 3.6V | 2.2V ~ 3.6V | 
| Data Converters | A/D 2x24b Sigma-Delta | A/D 3x24b Sigma-Delta | 
| Oscillator Type | External | External | 
| Operating Temperature | -40°C ~ 105°C (TA) | -40°C ~ 105°C (TA) | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | 28-TSSOP (0.173", 4.40mm Width) | 28-TSSOP (0.173", 4.40mm Width) | 
| Supplier Device Package | 28-TSSOP | 28-TSSOP |