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參數(shù)資料
| 型號： | AT91SAM9G20B-CFU |
| 廠商： | Atmel |
| 文件頁數(shù)： | 16/42頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC MCU ARM9 247-LFBGA |
| 產(chǎn)品培訓(xùn)模塊： | MCU Product Line Introduction |
| 標(biāo)準(zhǔn)包裝： | 240 |
| 系列： | SAM9G |
| 核心處理器： | ARM9 |
| 芯體尺寸： | 16/32-位 |
| 速度： | 400MHz |
| 連通性： | EBI/EMI，以太網(wǎng)，I²C，IrDA，ISI，MMC，SPI，SSC，UART/USART，USB |
| 外圍設(shè)備： | DMA，POR，PWM，WDT |
| 輸入/輸出數(shù)： | 96 |
| 程序存儲器容量： | 64KB（64K x 8） |
| 程序存儲器類型： | ROM |
| RAM 容量： | 96K x 8 |
| 電壓 - 電源 (Vcc/Vdd)： | 0.9 V ~ 1.1 V |
| 數(shù)據(jù)轉(zhuǎn)換器： | A/D 4x10b |
| 振蕩器型： | 內(nèi)部 |
| 工作溫度： | -40°C ~ 85°C |
| 封裝/外殼： | 247-TFBGA |
| 包裝： | 托盤 |
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6384DS–ATARM–13-Jan-10
AT91SAM9G20 Summary
Programming facilities
– Word, half-word, byte access
– Automatic page break when Memory Boundary has been reached
– Multibank Ping-pong Access
– Timing parameters specified by software
– Automatic refresh operation, refresh rate is programmable
Energy-saving capabilities
– Self-refresh, power down and deep power down modes supported
Error detection
– Refresh Error Interrupt
SDRAM Power-up Initialization by software
CAS Latency of 1, 2 and 3 supported
Auto Precharge Command not used
8.2.4
Error Corrected Code Controller
Hardware Error Corrected Code (ECC) Generation
– Detection and Correction by Software
Supports NAND Flash and SmartMedia Devices with 8- or 16-bit Data Path.
Supports NAND Flash/SmartMedia with Page Sizes of 528, 1056, 2112 and 4224 Bytes,
Specified by Software
Supports 1 bit correction for a page of 512,1024,2048 and 4096 Bytes with 8- or 16-bit Data
Path
Supports 1 bit correction per 512 bytes of data for a page size of 512, 2048 and 4096 Bytes
with 8-bit Data Path
Supports 1 bit correction per 256 bytes of data for a page size of 512, 2048 and 4096 Bytes
with 8-bit Data Path
9.
System Controller
The System Controller is a set of peripherals, which allow handling of key elements of the sys-
tem, such as power, resets, clocks, time, interrupts, watchdog, etc.
The System Controller User Interface embeds also the registers allowing to configure the Matrix
and a set of registers for the chip configuration. The chip configuration registers allows
configuring:
– EBI chip select assignment and Voltage range for external memories
The System Controller’s peripherals are all mapped within the highest 16 Kbytes of address
space, between addresses 0xFFFF E800 and 0xFFFF FFFF.
However, all the registers of System Controller are mapped on the top of the address space. All
the registers of the System Controller can be addressed from a single pointer by using the stan-
dard ARM instruction set, as the Load/Store instruction has an indexing mode of ±4 Kbytes.
Figure 9-1 on page 24 shows the System Controller block diagram.
Figure 8-1 on page 19 shows the mapping of the User Interfaces of the System Controller
peripherals.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AT91SAM9G20B-CU | 功能描述:ARM微控制器 - MCU 2x16K SRAM Ethernet USB Host Bus Intrfc RoHS:否 制造商:STMicroelectronics 核心:ARM Cortex M4F 處理器系列:STM32F373xx 數(shù)據(jù)總線寬度:32 bit 最大時鐘頻率:72 MHz 程序存儲器大小:256 KB 數(shù)據(jù) RAM 大小:32 KB 片上 ADC:Yes 工作電源電壓:1.65 V to 3.6 V, 2 V to 3.6 V, 2.2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:LQFP-48 安裝風(fēng)格:SMD/SMT |
| AT91SAM9G20B-CU-999 | 功能描述:ARM微控制器 - MCU 2x16K SRAM Ethernet USB Host Bus Intrfc RoHS:否 制造商:STMicroelectronics 核心:ARM Cortex M4F 處理器系列:STM32F373xx 數(shù)據(jù)總線寬度:32 bit 最大時鐘頻率:72 MHz 程序存儲器大小:256 KB 數(shù)據(jù) RAM 大小:32 KB 片上 ADC:Yes 工作電源電壓:1.65 V to 3.6 V, 2 V to 3.6 V, 2.2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:LQFP-48 安裝風(fēng)格:SMD/SMT |
| AT91SAM9G20-CU | 功能描述:ARM微控制器 - MCU 32-bit RoHS:否 制造商:STMicroelectronics 核心:ARM Cortex M4F 處理器系列:STM32F373xx 數(shù)據(jù)總線寬度:32 bit 最大時鐘頻率:72 MHz 程序存儲器大小:256 KB 數(shù)據(jù) RAM 大小:32 KB 片上 ADC:Yes 工作電源電壓:1.65 V to 3.6 V, 2 V to 3.6 V, 2.2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:LQFP-48 安裝風(fēng)格:SMD/SMT |
| AT91SAM9G20-EK | 功能描述:開發(fā)板和工具包 - ARM 32-bit MCU Eval Kit RoHS:否 制造商:Arduino 產(chǎn)品:Development Boards 工具用于評估:ATSAM3X8EA-AU 核心:ARM Cortex M3 接口類型:DAC, ICSP, JTAG, UART, USB 工作電源電壓:3.3 V |
| AT91SAM9G25-BFU | 制造商:Atmel Corporation 功能描述:VFBGA, GREEN, IND TEMP, MRLA - Trays 制造商:Atmel Corporation 功能描述:IC MCU ARM9 64KB ROM 247VFBGA |
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