Specifications
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| TYPE | DESCRIPTION |
| Mfr | Freescale Semiconductor, Inc. (NXP Semiconductors) |
| Series | Kinetis K21 |
| Package | Bulk |
| Product Status | OBSOLETE |
| Package / Case | 121-LFBGA |
| Mounting Type | Surface Mount |
| Speed | 50MHz |
| Program Memory Size | 128KB (128K x 8) |
| RAM Size | 32K x 8 |
| Operating Temperature | -40°C ~ 105°C (TA) |
| Oscillator Type | Internal |
| Program Memory Type | FLASH |
| EEPROM Size | 4K x 8 |
| Core Processor | ARM® Cortex®-M4 |
| Data Converters | A/D 16b SAR; D/A 1x12b |
| Core Size | 32-Bit |
| Voltage - Supply (Vcc/Vdd) | 1.71V ~ 3.6V |
| Connectivity | I2C, SPI, UART/USART, USB |
| Peripherals | DMA, I2S, LVD, POR, PWM, WDT |
| Supplier Device Package | 121-MAPBGA (8x8) |
| Number of I/O | 64 |
| DigiKey Programmable | Not Verified |