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| Part Number | MSP430AFE221IPW | MSP430AFE221IPWR | MSP430AFE222IPW | MSP430AFE223IPW | MSP430AFE231IPW | MSP430AFE251IPW |
|---|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Status | Active | Active | Active | Active | Active | Active |
| Core Processor | 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 |
| Speed | 12MHz | 12MHz | 12MHz | 12MHz | 12MHz | 12MHz |
| Connectivity | SPI, UART/USART | SPI, UART/USART | SPI, UART/USART | SPI, UART/USART | SPI, UART/USART | SPI, UART/USART |
| Peripherals | Brown-out Detect/Reset, PWM, WDT | Brown-out Detect/Reset, PWM, WDT | Brown-out Detect/Reset, PWM, WDT | Brown-out Detect/Reset, PWM, WDT | Brown-out Detect/Reset, PWM, WDT | Brown-out Detect/Reset, PWM, WDT |
| Number of I/O | 11 | 11 | 11 | 11 | 11 | 11 |
| Program Memory Size | 4KB (4K x 8) | 4KB (4K x 8) | 4KB (4K x 8) | 4KB (4K x 8) | 8KB (8K x 8) | 16KB (16K x 8) |
| Program Memory Type | 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 | 512 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 |
| Data Converters | A/D 1x24b | A/D 1x24b | A/D 2x24b | A/D 3x24b | A/D 1x24b | A/D 1x24b |
| Oscillator Type | Internal | 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) | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 24-TSSOP (0.173", 4.40mm Width) | 24-TSSOP (0.173", 4.40mm Width) | 24-TSSOP (0.173", 4.40mm Width) | 24-TSSOP (0.173", 4.40mm Width) | 24-TSSOP (0.173", 4.40mm Width) | 24-TSSOP (0.173", 4.40mm Width) |
| Supplier Device Package | 24-TSSOP | 24-TSSOP | 24-TSSOP | 24-TSSOP | 24-TSSOP | 24-TSSOP |
