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參數(shù)資料
| 型號： | 101-0478 |
| 廠商： | Rabbit Semiconductor |
| 文件頁數(shù)： | 33/90頁 |
| 文件大?。?/td> | 0K |
| 描述： | KIT DEV RABBIT RCM2200 INTL |
| 標準包裝： | 1 |
| 系列： | RabbitCore 2000 |
| 類型： | MPU 模塊 |
| 適用于相關產品： | RCM2200 |
| 所含物品： | RabbitCore 模塊，開發(fā)板，纜線和 Dynamic C? CD-Rom |
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User’s Manual
33
5.2 I/O
The RCM2200 was designed to interface with other systems, and so there are no drivers
written specifically for the I/O. The general Dynamic C read and write functions allow
you to customize the parallel I/O to meet your specific needs. For example, use
WrPortI(PEDDR, &PEDDRShadow, 0x00);
to set all the port E bits as inputs, or use
WrPortI(PEDDR, &PEDDRShadow, 0xFF);
to set all the Port E bits as outputs.
The sample programs in the Dynamic C SAMPLES\RCM2200 directory provide further
examples.
5.2.1 PCLK Output
The PCLK output is controlled by bits 7 and 6 of the Global Output Register (GOCR) on
the Rabbit 2000 microprocessor, and so can be enabled or disabled in software. Starting
with Dynamic C v 7.02, the PCLK output is disabled by default at compile time to mini-
mize radiated emissions; the PCLK output is enabled in earlier versions of Dynamic C.
Use the following code to set the PCLK output as needed.
PCLK output driven with peripheral clock:
WrPortI(GOCR, &GOCRShadow, (GOCRShadow&~0xc0));
PCLK output driven with peripheral clock ÷ 2:
WrPortI(GOCR, &GOCRShadow, ((GOCRShadow&~0xc0)| 0x40));
PCLK output off (low):
WrPortI(GOCR, &GOCRShadow, ((GOCRShadow&~0xc0)| 0x80));
PCLK output on (high):
WrPortI(GOCR, &GOCRShadow, (GOCRShadow | 0xc0));
5.2.2 External Interrupts
The Rabbit 2000 microprocessor has four external interrupt inputs on Parallel Port E,
which is accessed through pins PE0, PE1, PE4, and PE5 on header J4. These pins may be
used either as I/O ports or as external interrupt inputs.
Earlier versions of the Rabbit 2000 microprocessor labeled IQ1T or IQ2T would occa-
sionally lose an interrupt request when one of the interrupt inputs was used as a pulse counter.
See Technical Note 301
, Rabbit 2000 Microprocessor Interrupt Problem, for further infor-
mation on how to work around this problem if you purchased your RCM2200 before July,
2002, and the Rabbit 2000 microprocessor is labeled IQ1T or IQ2T.
NOTE: Interrupts on RCM2000 series RabbitCore modules sold after July, 2002, work
correctly and do not need this workaround.
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| 101048 | 制造商:Jacob 功能描述:Bulk |
| 10-1-048 | 制造商:IGUS 功能描述:SERIES 10 ENERGY CHAIN |
| 101-0480 | 功能描述:開發(fā)板和工具包 - 其他處理器 RCM2300 DEV KIT RoHS:否 制造商:Freescale Semiconductor 產品:Development Systems 工具用于評估:P3041 核心:e500mc 接口類型:I2C, SPI, USB 工作電源電壓: |
| 101-048-033 | 制造商:PANCON CONNECTORS 功能描述:Conn Shrouded Header HDR 48 POS 5.08mm Solder RA Thru-Hole 制造商:ITW Pancon 功能描述:Conn Shrouded Header HDR 48 POS 5.08mm Solder RA Thru-Hole |
| 101-0481 | 功能描述:KIT DEV RABBIT RCM2300 INTL RoHS:否 類別:編程器，開發(fā)系統(tǒng) >> 通用嵌入式開發(fā)板和套件（MCU、DSP、FPGA、CPLD等） 系列:RabbitCore 2000 產品培訓模塊:Blackfin® Processor Core Architecture Overview Blackfin® Device Drivers Blackfin® Optimizations for Performance and Power Consumption Blackfin® System Services 特色產品:Blackfin? BF50x Series Processors 標準包裝:1 系列:Blackfin® 類型:DSP 適用于相關產品:ADSP-BF548 所含物品:板，軟件，4x4 鍵盤，光學撥輪，QVGA 觸摸屏 LCD 和 40G 硬盤 配用:ADZS-BFBLUET-EZEXT-ND - EZ-EXTENDER DAUGHTERBOARDADZS-BFLLCD-EZEXT-ND - BOARD EXT LANDSCAP LCD INTERFACE 相關產品:ADSP-BF542BBCZ-4A-ND - IC DSP 16BIT 400MHZ 400CSBGAADSP-BF544MBBCZ-5M-ND - IC DSP 16BIT 533MHZ MDDR 400CBGAADSP-BF542MBBCZ-5M-ND - IC DSP 16BIT 533MHZ MDDR 400CBGAADSP-BF542KBCZ-6A-ND - IC DSP 16BIT 600MHZ 400CSBGAADSP-BF547MBBCZ-5M-ND - IC DSP 16BIT 533MHZ MDDR 400CBGAADSP-BF548BBCZ-5A-ND - IC DSP 16BIT 533MHZ 400CSBGAADSP-BF547BBCZ-5A-ND - IC DSP 16BIT 533MHZ 400CSBGAADSP-BF544BBCZ-5A-ND - IC DSP 16BIT 533MHZ 400CSBGAADSP-BF542BBCZ-5A-ND - IC DSP 16BIT 533MHZ 400CSBGA |
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