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| 型号： | AT91RM9200-CJ-002 |
| 厂商： | Atmel |
| 文件页数： | 5/41页 |
| 文件大小： | 0K |
| 描述： | IC ARM MCU 16BIT 128K 256BGA |
| 产品培训模块： | SAM9 MPU Boot Solutions & Application Deployment MCU Product Line Introduction |
| 标准包装： | 126 |
| 系列： | AT91 |
| 核心处理器： | ARM9 |
| 芯体尺寸： | 16/32-位 |
| 速度： | 180MHz |
| 连通性： | EBI/EMI，以太网，I²C，MMC，SPI，SSC，UART/USART，USB |
| 外围设备： | POR |
| 输入/输出数： | 122 |
| 程序存储器容量： | 128KB（128K x 8） |
| 程序存储器类型： | ROM |
| RAM 容量： | 48K x 8 |
| 电压 - 电源 (Vcc/Vdd)： | 1.65 V ~ 1.95 V |
| 振荡器型： | 内部 |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 256-BGA |
| 包装： | 托盘 |
| 配用： | AT91SAM-ICE-ND - EMULATOR FOR AT91 ARM7/ARM9 |
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13
1768MS–ATARM–09-Jul-09
AT91RM9200
5.
Power Considerations
5.1
Power Supplies
The AT91RM9200 has five types of power supply pins:
VDDCORE pins. They power the core, including processor, memories and peripherals;
voltage ranges from 1.65V to 1.95V, 1.8V nominal.
VDDIOM pins. They power the External Bus Interface I/O lines; voltage ranges from 3.0V to
3.6V, 3V or 3.3V nominal.
VDDIOP pins. They power the Peripheral I/O lines and the USB transceivers; voltage ranges
from 3.0V to 3.6V, 3V or 3.3V nominal.
VDDPLL pins. They power the PLL cells; voltage ranges from 1.65V to 1.95V, 1.8V nominal.
VDDOSC pin. They power both oscillators; voltage ranges from 1.65V to 1.95V, 1.8V
nominal.
The double power supplies VDDIOM and VDDIOP are identified in Table 4-1 on page 9 and
Table 4-2 on page 11. These supplies enable the user to power the device differently for inter-
facing with memories and for interfacing with peripherals.
Ground pins are common to all power supplies, except VDDPLL and VDDOSC pins. For these
pins, GNDPLL and GNDOSC are provided, respectively.
5.2
Power Consumption
The AT91RM9200 consumes about 500 A of static current on VDDCORE at 25
C. For
dynamic power consumption, the AT91RM9200 consumes a maximum of 25 mA on VDDCORE
at maximum speed in typical conditions (1.8V, 25
C), processor running full-performance
algorithm.
6.
I/O Considerations
6.1
JTAG Port Pins
TMS and TDI are Schmitt trigger inputs and integrate internal pull-up resistors of 15 kOhm typi-
cal. TCK is a Schmitt trigger input without internal pull-up resistor.
TDO is a tri-state output. The JTAGSEL pin is used to select the JTAG boundary scan when
asserted at a high level. The NTRST pin is used to initialize the EmbeddedICE
TAP Controller.
6.2
Test Pin
The TST0 and TST1 pins are used for manufacturing test purposes when asserted high. As they
do not integrate a pull-down resistor, they must be tied low during normal operations. Driving this
line at a high level leads to unpredictable results.
6.3
Reset Pin
NRST is a Schmitt trigger without pull-up resistor. The NRST signal is inserted in the Boundary
Scan.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| 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: |
| AT91RM9200-CU-002 | 制造商:Atmel Corporation 功能描述:BGA IND TEMP - Trays |
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