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Product Information Device Database® Downloads Compliance Testing Distributors |
Atmel SAM4S4BThe Atmel SAM4S4B is a Core - ARM Cortex-M4 running at up to 120 MHz - Memory Protection Unit (MPU) Pin-to-pin compatible with SAM3N, SAM3S products and SAM7S legacy products Memories - Up to 1024 Kbytes embedded Flash - Up to 128 Kbytes embedded SRAM - 16 Kbytes ROM with embedded boot loader routines (UART, USB) and IAP routines - 8-bit Static Memory Controller (SMC): SRAM, PSRAM, NOR and NAND Flash support System - Power-on-Reset (POR), Brown-out Detector (BOD) and Watchdog - Quartz or ceramic resonator oscillators: 3 to 20 MHz main power with Failure Detection - RTC with Gregorian and Persian Calendar mode - RTC clock calibration circuitry for 32.768 kHz crystal frequency compensation - High precision 8/12 MHz internal RC oscillator (4 MHz default frequency) - Slow Clock Internal RC oscillator as permanent low-power mode device clock - Two PLLs up to 240 MHz for device clock and for USB - Temperature Sensor - Up to 24 Peripheral DMA (PDC) Channels Low Power Modes - Sleep and Backup modes - Ultra low-power RTC Peripherals - USB 2.0 Device: 12 Mbps, 2668 byte FIFO, up to 8 bidirectional EPs - Up to 2 USARTs with ISO7816, IrDA, RS-485, SPI, Manchester and Modem Mode - 2 2-wire UARTs - Up to 2 Two Wire Interface (I2C compatible) 1 SPI 1 Serial Synchronous Controller (I2S) 1 High Speed Multimedia Card Interface (SDIO/SD Card/MMC) - 2 Three-Channel 16-bit Timer/Counter with capture, waveform, compare and PWM mode. - 4-channel 16-bit PWM with Complementary Output, Fault Input, 12-bit Dead Time Generator Counter for Motor Control - 32-bit Real-time Timer and RTC with calendar and alarm features - Up to 16-channel, 1Msps ADC with differential input mode - 1 2-channel 12-bit 1Msps DAC - 1 Analog Comparator - 32-bit Cyclic Redundancy Check Calculation Unit (CRCCU) I/O - Up to 79 I/O lines with external interrupt capability - 3 32-bit Parallel I/O Controllers, Peripheral DMA assisted Parallel Capture Mode.
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