The microcontroller combines an Arm Cortex-M4F core running up to 150 MHz with 256 KB of program flash and 256 KB of SRAM. It supports full- and low-speed USB OTG, dual QuadSPI with execute-in-place, FlexBus, SDRAM control, SDHC, I2S, SPI, I2C and LPUART interfaces. Security features include hardware cryptographic acceleration for AES, DES, 3DES, RSA and ECC, a hardware random-number generator, flash security and boot ROM support. The device operates from 1.71 V to 3.6 V across a -40 °C to 105 °C ambient temperature range in a 100-pin LQFP package.
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| Core | Arm Cortex-M4F with DSP and single-precision FPU |
| Maximum core frequency | 150MHz |
| Program flash | 256KB |
| SRAM | 256KB |
| Maximum I/O count | 66 |
| Supply voltage | 1.71 to 3.6V |
| Ambient operating temperature | -40 to 105°C |
| USB interface | Full-/low-speed USB On-The-Go controller |
| QuadSPI | Dual QuadSPI with OTF decryption and XIP |
| ADC | One 16-bit SAR ADC |
| DAC | Two 6-bit DACs and one 12-bit DAC |
| SPI interfaces | 3 |
| I2C interfaces | 4 |
| LPUART interfaces | 5 |
| I2S interfaces | 1 |
| Package | 100-pin LQFP |
| Moisture sensitivity level | MSL 3 |
| Human body model ESD rating | ±2000V |
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