ATSAM3U2CA-AU Microchip 32bit MCU

ATSAM3U2CA-AU Overview

ARM® Cortex®-M3 SAM3U Microcontroller IC 32-Bit Single-Core 96MHz 128KB (128K x 8) FLASH 100-LQFP (14x14)

ECAD Model

Symbol

Footprint

Features

ARM Cortex-M3 revision 2.0 running at up to 96 MHz
Memory Protection Unit (MPU)
Thumb®-2 instruction set
128 Kbytes Dual Plane embedded Flash, 128-bit wide access, memory accelerator, dual bank
36 Kbytes embedded SRAM
16 Kbytes ROM with embedded bootloader routines (UART, USB) and IAP routines
Static Memory Controller (SMC): SRAM, NOR, NAND support. NAND Flash controller with 4 Kbytes RAM buffer and ECC
External Bus Interface - 8 or 16 bits, 4 chip selects, 24-bit address
Embedded voltage regulator for single-supply operation
POR, BOD and Watchdog for safe reset
Quartz or resonator oscillators: 3 to 20 MHz main and optional low power 32.768 kHz for RTC or device clock
High precision 8/12 MHz factory trimmed internal RC oscillator with 4 MHz Default Frequency for fast device startup
Slow Clock Internal RC oscillator as permanent clock for device clock in low power mode
One PLL for device clock and one dedicated PLL for USB 2.0 High Speed Device
17 Peripheral DMA Controller (PDC) channels and 4-channel central DMA
Sleep, Wait, and Backup modes, down to 1.65 μA in Backup mode with RTC, RTT, and GPBR
100-lead LQFP – 14 × 14 mm, pitch 0.5 mm
100-ball TFBGA – 9 × 9 mm, pitch 0.8 mm
Industrial (-40° C to +85° C)
USB 2.0 Device: 480 Mbps, 4-Kbyte FIFO, up to 7 bidirectional Endpoints, dedicated DMA
3 USARTs (ISO7816, IrDA®, Flow Control, SPI, Manchester support) and one UART
2 TWI (I2C compatible)
1 Serial Perpheral Interface (SPI)
1 Synchronous Serial Controller (SSC) (I2S)
1 High Speed Multimedia Card Interface (HSMCI) (SDIO/SD/MMC)
3-channel 16-bit Timer/Counter (TC) for capture, compare and PWM
4-channel 16-bit PWM (PWMC)
32-bit Real-time Timer (RTT) and Real-time Clock (RTC) with calendar and alarm features
57 I/O lines with external interrupt capability (edge or level sensitivity), debouncing, glitch filtering and on-die Series Resistor Termination
Three 32-bit Parallel Input/Output Controllers
4-channel 12-bit 1 msps ADC with differential input mode and programmable gain stage
4-channel 10-bit ADC
Serial Wire/JTAG Debug Port(SWJ-DP)
Debug access to all memories and registers in the system, including Cortex-M4 register bank when the core is running, halted, or held in reset.
Serial Wire Debug Port (SW-DP) and Serial Wire JTAG Debug Port (SWJ-DP) debug access.
Flash Patch and Breakpoint (FPB) unit for implementing breakpoints and code patches.
Data Watchpoint and Trace (DWT) unit for implementing watchpoints, data tracing, and system profiling.
Instrumentation Trace Macrocell (ITM) for support of printf style debugging.
IEEE1149.1 JTAG Boundary-scan on all digital pins.
ASF-Atmel software Framework – SAM software development framework
Integrated in the Atmel Studio IDE with a graphical user interface or available as standalone for GCC, IAR compilers.
DMA support, Interrupt handlers Driver support
USB, TCP/IP, Wi-Fi and Bluetooth, Numerous USB classes, DHCP and Wi-Fi encryption Stacks
RTOS integration, FreeRTOS is a core component