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| Part Number | MSP430G2121IRSAQ1 | MSP430G2131IRSAQ1 | MSP430G2221IRSAQ1 | MSP430G2101IRSAQ1 | MSP430G2111IRSAQ1 |
|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Status | Discontinued at Digi-Key | Obsolete | Obsolete | Discontinued at Digi-Key | Discontinued at Digi-Key |
| Core Processor | MSP430 CPU16 | MSP430 CPU16 | MSP430 CPU16 | MSP430 CPU16 | MSP430 CPU16 |
| Core Size | 16-Bit | 16-Bit | 16-Bit | 16-Bit | 16-Bit |
| Speed | 16MHz | 16MHz | 16MHz | 16MHz | 16MHz |
| Connectivity | I²C, SPI | I²C, SPI | I²C, SPI | - | - |
| 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 |
| Number of I/O | 10 | 10 | 10 | 10 | 10 |
| Program Memory Size | 1KB (1K x 8) | 1KB (1K x 8) | 2KB (2K x 8) | 1KB (1K x 8) | 1KB (1K x 8) |
| Program Memory Type | Flash | Flash | Flash | Flash | Flash |
| EEPROM Size | - | - | - | - | - |
| RAM Size | 128 x 8 | 128 x 8 | 128 x 8 | 128 x 8 | 128 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 |
| Data Converters | - | A/D 8x10b | - | - | - |
| Oscillator Type | Internal | Internal | Internal | Internal | Internal |
| Operating Temperature | -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 |
| Package / Case | 16-VQFN Exposed Pad | 16-VQFN Exposed Pad | 16-VQFN Exposed Pad | 16-VQFN Exposed Pad | 16-VQFN Exposed Pad |
| Supplier Device Package | 16-QFN (4x4) | 16-QFN (4x4) | 16-QFN (4x4) | 16-QFN (4x4) | 16-QFN (4x4) |
