Datasheet

2
SAM4S Series [DATASHEET]
11100F–ATARM–29-Jan-14
Features
Core
ARM Cortex-M4 with 2 Kbytes of cache running at up to 120 MHz
Memory Protection Unit (MPU)
DSP Instruction Set
Thumb
®
-2 instruction set
Pin-to-pin compatible with SAM3N, SAM3S, SAM4N and SAM7S legacy products (64-pin version)
Memories
Up to 2048 Kbytes embedded Flash with optional dual-bank and cache memory
Up to 160 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
Embedded voltage regulator for single supply operation
Power-on-Reset (POR), Brown-out Detector (BOD) and Watchdog for safe operation
Quartz or ceramic resonator oscillators: 3 to 20 MHz main power with failure detection and optional low-
power 32.768 kHz for RTC or device clock
RTC with Gregorian and Persian calendar mode, waveform generation in low-power modes
RTC clock calibration circuitry for 32.768 kHz crystal frequency compensation
High-precision 8/12 MHz factory-trimmed internal RC oscillator with 4 MHz default frequency for device
startup. In-application trimming access for frequency adjustment.
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
Low-power tamper detection on two inputs, anti-tampering by immediate clear of general-purpose backup
registers
Up to 22 Peripheral DMA (PDC) Channels
Low-Power Modes
Sleep, wait and backup modes, down to 1 µA in backup mode
Ultra low-power RTC
Peripherals
USB 2.0 Device: 12 Mbps, 2668 byte FIFO, up to 8 bidirectional Endpoints. On-chip transceiver.
Up to two USARTs with ISO7816, IrDA
®
, RS-485, SPI, Manchester and Modem Mode
Two 2-wire UARTs
Up to two Two-Wire Interface modules (I2C-compatible), one SPI, one Serial Synchronous Controller (I2S),
one high-speed Multimedia Card Interface (SDIO/SD Card/MMC)
Two three-channel 16-bit Timer/Counters with capture, waveform, compare and PWM mode. Quadrature
decoder logic and 2-bit Gray up/down counter for stepper motor
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, alarm and 32 kHz trimming features
Up to 16-channel, 1Msps ADC with differential input mode and programmable gain stage and auto
calibration
One 2-channel 12-bit 1Msps DAC
One Analog Comparator with flexible input selection, selectable input hysteresis