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| Part Number | MSP430F2121IPW | MSP430F2121TPW | MSP430F2131IPW | MSP430F2121IPWR | MSP430F2122IPW | MSP430F2101IPW | MSP430F2111IPW | MSP430F2121IDW |
|---|---|---|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Status | Active | Active | Active | Active | Active | Active | Active | Active |
| Core Processor | MSP430 CPU16 | MSP430 CPU16 | MSP430 CPU16 | MSP430 CPU16 | MSP430 CPU16 | MSP430 CPU16 | MSP430 CPU16 | MSP430 CPU16 |
| Core Size | 16-Bit | 16-Bit | 16-Bit | 16-Bit | 16-Bit | 16-Bit | 16-Bit | 16-Bit |
| Speed | 16MHz | 16MHz | 16MHz | 16MHz | 16MHz | 16MHz | 16MHz | 16MHz |
| Connectivity | - | - | - | - | I²C, IrDA, LINbus, SCI, SPI, UART/USART | - | - | - |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT | Brown-out Detect/Reset, POR, PWM, WDT | Brown-out Detect/Reset, POR, PWM, WDT | Brown-out Detect/Reset, POR, PWM, WDT | Brown-out Detect/Reset, POR, PWM, WDT | Brown-out Detect/Reset, POR, PWM, WDT | Brown-out Detect/Reset, POR, PWM, WDT | Brown-out Detect/Reset, POR, PWM, WDT |
| Number of I/O | 16 | 16 | 16 | 16 | 24 | 16 | 16 | 16 |
| Program Memory Size | 4KB (4K x 8 + 256B) | 4KB (4K x 8 + 256B) | 8KB (8K x 8 + 256B) | 4KB (4K x 8 + 256B) | 4KB (4K x 8 + 256B) | 1KB (1K x 8 + 256B) | 2KB (2K x 8 + 256B) | 4KB (4K x 8 + 256B) |
| Program Memory Type | Flash | Flash | Flash | Flash | Flash | Flash | Flash | Flash |
| EEPROM Size | - | - | - | - | - | - | - | - |
| RAM Size | 256 x 8 | 256 x 8 | 256 x 8 | 256 x 8 | 512 x 8 | 128 x 8 | 128 x 8 | 256 x 8 |
| Voltage - Supply (Vcc/Vdd) | 1.8V ~ 3.6V | 1.8V ~ 3.6V | 1.8V ~ 3.6V | 1.8V ~ 3.6V | 1.8V ~ 3.6V | 1.8V ~ 3.6V | 1.8V ~ 3.6V | 1.8V ~ 3.6V |
| Data Converters | Slope A/D | Slope A/D | Slope A/D | Slope A/D | A/D 8x10b | Slope A/D | Slope A/D | Slope A/D |
| Oscillator Type | Internal | Internal | Internal | Internal | Internal | Internal | Internal | Internal |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 105°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 20-TSSOP (0.173", 4.40mm Width) | 20-TSSOP (0.173", 4.40mm Width) | 20-TSSOP (0.173", 4.40mm Width) | 20-TSSOP (0.173", 4.40mm Width) | 28-TSSOP (0.173", 4.40mm Width) | 20-TSSOP (0.173", 4.40mm Width) | 20-TSSOP (0.173", 4.40mm Width) | 20-SOIC (0.295", 7.50mm Width) |
| Supplier Device Package | 20-TSSOP | 20-TSSOP | 20-TSSOP | 20-TSSOP | 28-TSSOP | 20-TSSOP | 20-TSSOP | 20-SOIC |
