参数资料
型号: AT91SAM9G20B-CFU
厂商: Atmel
文件页数: 30/42页
文件大小: 0K
描述: IC MCU ARM9 247-LFBGA
产品培训模块: MCU Product Line Introduction
标准包装: 240
系列: SAM9G
核心处理器: ARM9
芯体尺寸: 16/32-位
速度: 400MHz
连通性: EBI/EMI,以太网,I²C,IrDA,ISI,MMC,SPI,SSC,UART/USART,USB
外围设备: DMA,POR,PWM,WDT
输入/输出数: 96
程序存储器容量: 64KB(64K x 8)
程序存储器类型: ROM
RAM 容量: 96K x 8
电压 - 电源 (Vcc/Vdd): 0.9 V ~ 1.1 V
数据转换器: A/D 4x10b
振荡器型: 内部
工作温度: -40°C ~ 85°C
封装/外壳: 247-TFBGA
包装: 托盘
36
6384DS–ATARM–13-Jan-10
AT91SAM9G20 Summary
– Three external clock inputs
– Five internal clock inputs
– Two multi-purpose input/output signals
Each block contains two global registers that act on all three TC Channels
Note:
TC Block 0 (TC0, TC1, TC2) and TC Block 1 (TC3, TC4, TC5) have identical user interfaces. See
addresses.
10.4.6
Multimedia Card Interface
One double-channel MultiMedia Card Interface
Compatibility with MultiMedia Card Specification Version 3.11
Compatibility with SD Memory Card Specification Version 1.1
Compatibility with SDIO Specification Version V1.0.
Card clock rate up to Master Clock divided by 2
Embedded power management to slow down clock rate when not used
MCI has two slots, each supporting
– One slot for one MultiMediaCard bus (up to 30 cards) or
– One SD Memory Card
Support for stream, block and multi-block data read and write
10.4.7
USB Host Port
Compliance with Open HCI Rev 1.0 Specification
Compliance with USB V2.0 Full-speed and Low-speed Specification
Supports both Low-Speed 1.5 Mbps and Full-speed 12 Mbps devices
Root hub integrated with two downstream USB ports in the 217-LFBGA package
Two embedded USB transceivers
Supports power management
Operates as a master on the Matrix
10.4.8
USB Device Port
USB V2.0 full-speed compliant, 12 MBits per second
Embedded USB V2.0 full-speed transceiver
Embedded 2,432-byte dual-port RAM for endpoints
Suspend/Resume logic
Ping-pong mode (two memory banks) for isochronous and bulk endpoints
Six general-purpose endpoints
– Endpoint 0 and 3: 64 bytes, no ping-pong mode
– Endpoint 1 and 2: 64 bytes, ping-pong mode
– Endpoint 4 and 5: 512 bytes, ping-pong mode
Embedded pad pull-up
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