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參數(shù)資料
| 型號： | AT91RM9200-CI-002 |
| 廠商： | Atmel |
| 文件頁數(shù)： | 10/41頁 |
| 文件大小： | 0K |
| 描述： | IC ARM9 MCU 256 BGA |
| 標(biāo)準(zhǔn)包裝： | 126 |
| 系列： | AT91 |
| 核心處理器： | ARM9 |
| 芯體尺寸： | 16/32-位 |
| 速度： | 180MHz |
| 連通性： | EBI/EMI，以太網(wǎng)，I²C，MMC，SPI，SSC，UART/USART，USB |
| 外圍設(shè)備： | POR |
| 輸入/輸出數(shù)： | 122 |
| 程序存儲器容量： | 128KB（128K x 8） |
| 程序存儲器類型： | ROM |
| RAM 容量： | 48K x 8 |
| 電壓 - 電源 (Vcc/Vdd)： | 1.65 V ~ 1.95 V |
| 振蕩器型： | 內(nèi)部 |
| 工作溫度： | -40°C ~ 85°C |
| 封裝/外殼： | 256-BGA |
| 包裝： | 托盤 |
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18
1768MS–ATARM–09-Jul-09
AT91RM9200
A first level of address decoding is performed by the Memory Controller, i.e., by the implementa-
tion of the Advanced System Bus (ASB) with additional features.
Decoding splits the 4G bytes of address space into 16 areas of 256M bytes. The areas 1 to 8 are
directed to the EBI that associates these areas to the external chip selects NC0 to NCS7. The
area 0 is reserved for the addressing of the internal memories, and a second level of decoding
provides 1M bytes of internal memory area. The area 15 is reserved for the peripherals and pro-
vides access to the Advanced Peripheral Bus (APB).
Other areas are unused and performing an access within them provides an abort to the master
requesting such an access.
8.1
Embedded Memories
8.1.1
Internal Memory Mapping
8.1.1.1
Internal RAM
The AT91RM9200 integrates a high-speed, 16-Kbyte internal SRAM. After reset and until the
Remap Command is performed, the SRAM is only accessible at address 0x20 0000. After
Remap, the SRAM is also available at address 0x0.
8.1.1.2
Internal ROM
The AT91RM9200 integrates a 128-Kbyte Internal ROM. At any time, the ROM is mapped at
address 0x10 0000. It is also accessible at address 0x0 after reset and before the Remap Com-
mand if the BMS is tied high during reset.
8.1.1.3
USB Host Port
The AT91RM9200 integrates a USB Host Port Open Host Controller Interface (OHCI). The reg-
isters of this interface are directly accessible on the ASB Bus and are mapped like a standard
internal memory at address 0x30 0000.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AT91RM9200-CJ-002 | 功能描述:ARM微控制器 - MCU BGA IND TEMP 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 |
| AT91RM9200CJ100 | 制造商:Atmel Corporation 功能描述: |
| AT91RM9200CJ101 | 制造商:Atmel Corporation 功能描述: |
| AT91RM9200-CJ-101 | 制造商:Atmel 功能描述:MCU 32-bit 91R ARM920T RISC 128KB ROM 1.8V/3.3V 256-Pin BGA |
| AT91RM9200CU002 | 制造商:Atmel Corporation 功能描述: |
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