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參數(shù)資料
| 型號： | AT91RM9200-CI-002 |
| 廠商： | Atmel |
| 文件頁數(shù)： | 11/41頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC ARM9 MCU 256 BGA |
| 標準包裝： | 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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19
1768MS–ATARM–09-Jul-09
AT91RM9200
9.
System Peripherals
A complete memory map is shown in Figure 8-1 on page 17.
9.1
Reset Controller
Two reset input lines (NRST and NTRST) providing, respectively:
Initialization of the User Interface registers (defined in the user interface of each peripheral)
and:
– Sample the signals needed at bootup
– Compel the processor to fetch the next instruction at address zero
Initialization of the embedded ICE TAP controller
9.2
Advanced Interrupt Controller
Controls the interrupt lines (nIRQ and nFIQ) of an ARM Processor
Thirty-two individually maskable and vectored interrupt sources
– Source 0 is reserved for the Fast Interrupt Input (FIQ)
– Source 1 is reserved for system peripherals (ST, RTC, PMC, DBGU…)
– Source 2 to Source 31 control thirty embedded peripheral interrupts or external
interrupts
– Programmable Edge-triggered or Level-sensitive Internal Sources
– Programmable Positive/Negative Edge-triggered or High/Low Level-sensitive
External Sources
8-level Priority Controller
– Drives the Normal Interrupt of the processor
– Handles priority of the interrupt sources 1 to 31
– Higher priority interrupts can be served during service of lower priority interrupt
Vectoring
– Optimizes Interrupt Service Routine Branch and Execution
– One 32-bit Vector Register per interrupt source
– Interrupt Vector Register reads the corresponding current Interrupt Vector
Protect Mode
– Easy debugging by preventing automatic operations
General Interrupt Mask
– Provides processor synchronization on events without triggering an interrupt
9.3
Power Management Controller
Optimizes the power consumption of the whole system
Embeds and controls:
– One Main Oscillator and One Slow Clock Oscillator (32.768Hz)
– Two Phase Locked Loops (PLLs) and Dividers
– Clock Prescalers
Provides:
– the Processor Clock PCK
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相關代理商/技術參數(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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