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Features
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up to 256 Kbytes of Flash and up to 48 Kbytes of SRAM. The peripheral set includes a Full Speed USB Device port with embedded transceiver, a High Speed MCI for SDIO/SD/MMC, an External Bus Interface featuring a Static Memory Controller providing connection to SRAM, PSRAM, NOR Flash, LCD Module and NAND Flash, 2x USARTs, 2x UARTs, 2x TWIs, 3x SPI, an I2S, as well as 1 PWM timer, two 3-channel general-purpose 16-bit timers an RTC, an ADC, a 12-bit DAC and an analog comparator. The SAM3S device is a medium range general purpose microcontroller with the best ratio in terms of reduced power consump...
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SAM3S4A Data Sheet
