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AT91SAM9G20

订购信息

型号 封装 在线定购
AT91SAM9G20B-CU(查看) LFBGA217

引脚布局

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技术资料—— AT91SAM9G20 PDF技术资料

AT91SAM9G20 概述

The AT91SAM9G20 is a pin-compatible evolution of the AT91SAM9260, offering four times the cache and on-chip SRAM memory of its predecessor, and features improved error correction for external NAND Flash as well as an enlarged Ethernet FIFO that improves latency. Achieving half the power consumption at twice the clock frequency of the AT91SAM9260, it consumes only 80 mW in full-power mode with all peripherals turned on. The AT91SAM9G20 is targeted at power-constrained applications that also need high performance. These include point-of-sale terminals, building automation, security cameras and bar code readers.

The AT91SAM9G20 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 AT91SAM9G20 is available in a 217-ball LFBGA RoHS-compliant package.

The AT91SAM9G20 is supported by the AT91SAM9G20 Evaluation Board and extensive third-party application development tools. The AT91SAM9G20 supports both Linux and Windows CE.

AT91SAM9G20 参数
AT91SAM9G20 系统
CPU ARM926EJ-S, 400MHz
7-layer AHB Matrix
Debug JTAG
Cache Memory (Bytes) 2x32K
MMU/MPU MMU
AT91SAM9G20 存储器
Flash (Bytes) -
SRAM (Bytes) 2x16K
SDRAM Interface 1
External Bus Interface 1
NAND Flash & ECC 1/1
Peripheral DMA Channels 24
AT91SAM9G20 性能参数
Ethernet MAC 10/100 1
Image Sensor Interface 1
USB Host 2xFS
RTC/RTT -/1
10-bit ADC Channels 4
I/O Pins 96
Enhanced USART 4
USART/DBGU 2/1
SPI 2
TWI 1
SSC 1
MCI 1
USB Device FS
High Current Pads 3
16-bit Timers 6
Period Interval Timer 1
Watchdog Timer 1
Power-On-Reset 2
On-chip RC Oscillator 1
Crystal Oscillator/PLL 2/2
I/O Voltage Domain (V) 1.8/3.3
In-System Programming Y
Single Supply N
AT91SAM9G20 封装与引脚
LFBGA217