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| Part Number | TMS320F28021DAS | TMS320F28023DAS | TMS320F28027DAS | TMS320F28021DAT | TMS320F28022DAS | TMS320F28026DAS | TMS320F28020DAS |
|---|---|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Status | Active | Active | Active | Active | Active | Active | Active |
| Core Processor | C28x | C28x | C28x | C28x | C28x | C28x | C28x |
| Core Size | 32-Bit Single-Core | 32-Bit Single-Core | 32-Bit Single-Core | 32-Bit Single-Core | 32-Bit Single-Core | 32-Bit Single-Core | 32-Bit Single-Core |
| Speed | 40MHz | 50MHz | 60MHz | 40MHz | 50MHz | 60MHz | 40MHz |
| Connectivity | I²C, SCI, SPI, UART/USART | I²C, SCI, SPI, UART/USART | I²C, SCI, SPI, UART/USART | I²C, SCI, SPI, UART/USART | I²C, SCI, SPI, UART/USART | I²C, SCI, SPI, UART/USART | I²C, 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 |
| Number of I/O | 20 | 20 | 20 | 20 | 20 | 20 | 20 |
| Program Memory Size | 64KB (32K x 16) | 64KB (32K x 16) | 64KB (32K x 16) | 64KB (32K x 16) | 32KB (16K x 16) | 32KB (16K x 16) | 32KB (16K x 16) |
| Program Memory Type | Flash | Flash | Flash | Flash | Flash | Flash | Flash |
| EEPROM Size | - | - | - | - | - | - | - |
| RAM Size | 5K x 16 | 6K x 16 | 6K x 16 | 5K x 16 | 6K x 16 | 6K x 16 | 3K x 16 |
| Voltage - Supply (Vcc/Vdd) | 1.71V ~ 1.995V | 1.71V ~ 1.995V | 1.71V ~ 1.995V | 1.71V ~ 1.995V | 1.71V ~ 1.995V | 1.71V ~ 1.995V | 1.71V ~ 1.995V |
| Data Converters | A/D 7x12b | A/D 7x12b | A/D 7x12b | A/D 7x12b | A/D 7x12b | A/D 7x12b | A/D 7x12b |
| Oscillator Type | Internal | Internal | Internal | Internal | Internal | Internal | Internal |
| Operating Temperature | -40°C ~ 125°C (TA) | -40°C ~ 125°C (TA) | -40°C ~ 125°C (TA) | -40°C ~ 105°C (TA) | -40°C ~ 125°C (TA) | -40°C ~ 125°C (TA) | -40°C ~ 125°C (TA) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 38-TSSOP (0.240", 6.10mm Width) | 38-TSSOP (0.240", 6.10mm Width) | 38-TSSOP (0.240", 6.10mm Width) | 38-TSSOP (0.240", 6.10mm Width) | 38-TSSOP (0.240", 6.10mm Width) | 38-TSSOP (0.240", 6.10mm Width) | 38-TSSOP (0.240", 6.10mm Width) |
| Supplier Device Package | 38-TSSOP | 38-TSSOP | 38-TSSOP | 38-TSSOP | 38-TSSOP | 38-TSSOP | 38-TSSOP |
