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| PartNumber | TMS320F28021DAT | TMS320F28021DAS | TMS320F28021PT |
| Description | 32-bit Microcontrollers - MCU Piccolo MCU | 32-bit Microcontrollers - MCU Piccolo Micro controller | |
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Category | 32-bit Microcontrollers - MCU | 32-bit Microcontrollers - MCU | Embedded - Microcontrollers |
| RoHS | Y | Y | - |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | TSSOP-38 | TSSOP-38 | - |
| Series | TMS320F28021 | TMS320F28021 | C2000 C28x Piccolo |
| Core | C28x | C28x | C28x |
| Data Bus Width | 32 bit | 32 bit | 32 bit |
| Maximum Clock Frequency | 40 MHz | 40 MHz | 40 MHz |
| Program Memory Size | 32 kB | 64 kB | 64KB (32K x 16) |
| Data RAM Size | 5 kB | 10 kB | 5 kB |
| ADC Resolution | 12 bit | 12 bit | 12 bit |
| Number of I/Os | 20 I/O | 20 I/O | - |
| Operating Supply Voltage | 1.8 V | 1.8 V | 3.3 V |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 125 C | + 125 C | + 125 C |
| Packaging | Tube | Tube | Tray |
| Program Memory Type | Flash | - | FLASH |
| Brand | Texas Instruments | Texas Instruments | - |
| Interface Type | I2C, SPI, UART | - | I2C SCI SPI |
| Moisture Sensitive | Yes | Yes | - |
| Number of ADC Channels | 13 Channel | 13 Channel | 13 |
| Number of Timers/Counters | 3 Timer | 3 Timer | - |
| Processor Series | TMS320F2x | TMS320F2x | TMS320F2x |
| Product Type | 32-bit Microcontrollers - MCU | 32-bit Microcontrollers - MCU | - |
| Factory Pack Quantity | 40 | 40 | - |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | - |
| Supply Voltage Max | 1.89 V | 1.89 V | - |
| Supply Voltage Min | 1.71 V | 1.71 V | - |
| Tradename | Piccolo | Piccolo | Piccolo |
| Unit Weight | 0.007189 oz | 0.007189 oz | 0.006409 oz |
| Package Case | - | - | LQFP-48 |
| Operating Temperature | - | - | -40°C ~ 125°C (TA) |
| Supplier Device Package | - | - | 48-LQFP (7x7) |
| Number of I O | - | - | 22 |
| Speed | - | - | 40MHz |
| EEPROM Size | - | - | - |
| Core Processor | - | - | C28x |
| RAM Size | - | - | 5K x 16 |
| Peripherals | - | - | Brown-out Detect/Reset, POR, PWM, WDT |
| Connectivity | - | - | I2C, SCI, SPI, UART/USART |
| Voltage Supply Vcc Vdd | - | - | 1.71 V ~ 1.995 V |
| Core Size | - | - | 32-Bit |
| Data Converters | - | - | A/D 13x12b |
| Oscillator Type | - | - | Internal |
| Number of I Os | - | - | 22 I/O |
| Number of Timers Counters | - | - | 3 Timer |
| Data RAM Type | - | - | SARAM |