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标题概述
SAM3X/SAM3A Series Completefile size: 8MB , 1467 pages , revision B , updated: 05/2012
SAM3X/SAM3A Series Summaryfile size: 858827 , 71 pages , revision 11057BS , updated: 07/2012
产品概述

Based on the ARM® Cortex™-M3 processor, the Atmel® SAM3A4C runs at 84MHz and features 256KB of Flash in 2 x 128KB banks and 64KB of SRAM in 2 x 32KB banks. Its highly integrated peripheral set for connectivity and communication includes dual CAN, HS USB MiniHost and device with on-chip PHY, high-speed SD/SDIO/MMC, and multiple USARTs, SPIs, TWIs and one I2S. The SAM3A4C also features a 12-bit ADC/DAC, temperature sensor, 32-bit timers, PWM timer and RTC. It supports the Atmel QTouch® Library for easy implementation of buttons, sliders and wheels. The device operates from 1.62V to 3.6V and is available in 100-pin QFP and BGA packages.

关键参数
ParameterValue
Flash (Kbytes):256 Kbytes
Pin Count:100
Max. Operating Freq. (MHz):84 MHz
CPU:Cortex-M3
# of Touch Channels:31
Hardware QTouch Acquisition:No
Max I/O Pins:63
Ext Interrupts:63
Quadrature Decoder Channels:2
USB Transceiver:1
芯片订购型号
Ordering CodePackageSpeedPower SupplyOperational Range
ATSAM3A4CA-AU
ATSAM3A4CA-CU