| PartNumber | TMS320F28021DAT | TMS320F28021PTS | TMS320F28021DAS |
| Description | 32-bit Microcontrollers - MCU Piccolo MCU | 32-bit Microcontrollers - MCU Piccolo Micro controller | 32-bit Microcontrollers - MCU Piccolo Micro controller |
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Category | 32-bit Microcontrollers - MCU | 32-bit Microcontrollers - MCU | 32-bit Microcontrollers - MCU |
| RoHS | Y | Y | Y |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | TSSOP-38 | LQFP-48 | TSSOP-38 |
| Series | TMS320F28021 | TMS320F28021 | TMS320F28021 |
| 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 | 32 kB | 64 kB |
| Data RAM Size | 5 kB | 5 kB | 10 kB |
| ADC Resolution | 12 bit | 12 bit | 12 bit |
| Number of I/Os | 20 I/O | 22 I/O | 20 I/O |
| Operating Supply Voltage | 1.8 V | 1.8 V | 1.8 V |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 125 C | + 125 C | + 125 C |
| Packaging | Tube | - | Tube |
| Program Memory Type | Flash | Flash | - |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments |
| Interface Type | I2C, SPI, UART | I2C, SCI, SPI | - |
| Moisture Sensitive | Yes | Yes | Yes |
| Number of ADC Channels | 13 Channel | 13 Channel | 13 Channel |
| Number of Timers/Counters | 3 Timer | 3 Timer | 3 Timer |
| Processor Series | TMS320F2x | TMS320F2x | TMS320F2x |
| Product Type | 32-bit Microcontrollers - MCU | 32-bit Microcontrollers - MCU | 32-bit Microcontrollers - MCU |
| Factory Pack Quantity | 40 | 250 | 40 |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | Microcontrollers - MCU |
| Supply Voltage Max | 1.89 V | 1.89 V | 1.89 V |
| Supply Voltage Min | 1.71 V | 1.71 V | 1.71 V |
| Tradename | Piccolo | Piccolo | Piccolo |
| Unit Weight | 0.007189 oz | 0.006409 oz | 0.007189 oz |
| Data RAM Type | - | SARAM | - |