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AT91SAM9261

订购信息

型号 封装 在线定购
AT91SAM9261B-CU(查看) LFBGA217

引脚布局

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技术资料—— AT91SAM9261 PDF技术资料

AT91SAM9261 概述

The AT91SAM9261 is an ultra low-power, deterministic microcontroller based on the ARM926EJ-S processor, with 16K byte instruction and 16K byte data cache memories. It operates at 210 MIPS with a 190 MHz clock. The AT91SAM9261 features 160K bytes of SRAM and 32K bytes of ROM with single cycle access at maximum processor or bus speed, together with an external bus interface with controllers for SDRAM and static memories including NAND Flash and CompactFlash.

The AT91SAM9261 has a fully featured system controller for efficient system management, including a reset controller, shutdown controller, clock management, advanced interrupt controller (AIC), debug unit (DBGU), periodic interval timer, watchdog timer and real-time timer.

The AT91SAM9261's throughput and the DSP extensions to its instruction set allow complex DSP functions, such as biometrics, voice recognition, software modems, or encryption/decryption algorithms like RSA, to be executed very quickly in burst mode, so the system can be shut down much of the time. The AT91SAM9261 consumes only 2.5 uA in standby mode, and 400 uA at 500 Hz. In industrial temperature range, its current consumption at 200 MIPS with all peripherals turned on is just 65 mA. It is supplied in a 217-ball LFBGA RoHS-compliant package.

The AT91SAM9261 is supported by the AT91SAM9261 Evaluation Board and extensive third-party application development tools. It supports both Linux and Windows CE. The AT91SAM9261 is targeted at low power, high throughput wireless handheld applications, such as wireless PoS devices.

AT91SAM9261 参数
AT91SAM9261 系统
CPU ARM926EJ-S, 190MHz
5-layer AHB Matrix
Debug JTAG, ETM
Cache Memory (Bytes) 2x16K
MMU/MPU MMU
AT91SAM9261 存储器
Flash (Bytes) -
SRAM (Bytes) 160K
SDRAM Interface 1
External Bus Interface 1
NAND Flash & ECC 1/-
Peripheral DMA Channels 19
AT91SAM9261 性能参数
LCD Controller 1
USB Host 2xFS
RTC/RTT -/1
I/O Pins 96
Enhanced USART 3
USART/DBGU -/1
SPI 2
TWI 1
SSC 3
MCI 1
USB Device FS
16-bit Timers 3
Period Interval Timer 1
Watchdog Timer 1
Power-On-Reset 2
Crystal Oscillator/PLL 2/2
I/O Voltage Domain (V) 1.8/3.3
In-System Programming Y
Single Supply N
AT91SAM9261 封装与引脚
LFBGA217