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| Part Number | MKL43Z256VLH4557 | MKL33Z256VLH4557 |
|---|---|---|
| Manufacturer | NXP USA Inc. | Freescale Semiconductor |
| Product Status | Active | Active |
| Core Processor | ARM® Cortex®-M0+ | ARM® Cortex®-M0+ |
| Core Size | 32-Bit Single-Core | 32-Bit Single-Core |
| Speed | 48MHz | 48MHz |
| Connectivity | I²C, SPI, UART/USART, USB | I²C, SPI, UART/USART |
| Peripherals | DMA, I²S, LCD, LVD, POR, PWM, WDT | DMA, I²S, LCD, LVD, POR, PWM, WDT |
| Number of I/O | 50 | 54 |
| Program Memory Size | 256KB (256K x 8) | 256KB (256K x 8) |
| Program Memory Type | Flash | Flash |
| EEPROM Size | - | - |
| RAM Size | 32K x 8 | 32K x 8 |
| Voltage - Supply (Vcc/Vdd) | 1.71V ~ 3.6V | 1.71V ~ 3.6V |
| Data Converters | A/D 18x16b; D/A 1x12b | A/D 20x16b; D/A 1x12b |
| Oscillator Type | Internal | Internal |
| Operating Temperature | -40°C ~ 105°C (TA) | -40°C ~ 105°C (TA) |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | 64-LQFP | 64-LQFP |
| Supplier Device Package | 64-LQFP (10x10) | 64-LQFP (10x10) |
