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參數(shù)資料
| 型號(hào)： | 101-0576 |
| 廠商： | Rabbit Semiconductor |
| 文件頁(yè)數(shù)： | 35/106頁(yè) |
| 文件大小： | 0K |
| 描述： | COMPUTER SNGLBD BL2510 256K FLSH |
| 標(biāo)準(zhǔn)包裝： | 25 |
| 系列： | SBC |
| 模塊/板類型： | 單板計(jì)算機(jī)模塊 |
| 適用于相關(guān)產(chǎn)品： | BL2510 |
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Coyote (BL2500)
3.5.1 RS-232
The Coyote RS-232 serial communication is supported by an RS-232 transceiver. This
transceiver provides the voltage output, slew rate, and input voltage immunity required to
meet the RS-232 serial communication protocol. Basically, the chip translates the Rabbit
3000’s CMOS/TTL signals to RS-232 signal levels. Note that the polarity is reversed in an
RS-232 circuit so that a +3.3 V output becomes approximately -6 V and 0 V is output as
+6 V. The RS-232 transceiver also provides the proper line loading for reliable communi-
cation.
RS-232 can be used effectively at the Coyote’s maximum baud rate for distances of up to
15 m.
RS-232 flow control on an RS-232 port is initiated in software using the
serXflowcontrolOn
function call from RS232.LIB, where X is the serial port (E or F).
The locations of the flow control lines are specified using a set of five macros.
SERX_RTS_PORT
—Data register for the parallel port that the RTS line is on (e.g., PGDR).
SERX_RTS_SHADOW
—Shadow register for the RTS line's parallel port (e.g., PGDRShadow).
SERX_RTS_BIT
—The bit number for the RTS line.
SERX_CTS_PORT
—Data register for the parallel port that the CTS line is on (e.g., PCDRShadow).
SERX_CTS_BIT
—The bit number for the CTS line.
Standard 3-wire RS-232 communication using Serial Ports E and F is illustrated in the fol-
lowing sample code.
#define EINBUFSIZE
15
#define EOUTBUFSIZE 15
#define FINBUFSIZE
15
#define FOUTBUFSIZE 15
#ifndef _232BAUD
#define _232BAUD 115200
#endif
main(){
serEopen(_232BAUD);
serFopen(_232BAUD);
serEwrFlush();
serErdFlush();
serFwrFlush();
serFrdFlush();
}
相關(guān)PDF資料 |
PDF描述 |
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| 20-101-1055 | MODULE RABBITCORE RCM3375 |
| 20-101-0434 | MODULE RABBITCORE RCM2100 |
| 046232103103800 | CONN FFC/FPC 3POS 1MM R/A SMD |
| 355-030-521-204 | CARDEDGE 30POS DL .156 LOPRO BLK |
| 355-030-521-202 | CARDEDGE 30POS DL .156 LOPRO BLK |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 101-0577 | 功能描述:開發(fā)板和工具包 - 其他處理器 Programmers, Development Systems General Embedded Dev Boards and Kits (MCU, DSP, FPGA, CPLD) - KIT DEV FOR BL2500 COYOTE RoHS:否 制造商:Freescale Semiconductor 產(chǎn)品:Development Systems 工具用于評(píng)估:P3041 核心:e500mc 接口類型:I2C, SPI, USB 工作電源電壓: |
| 101-0578 | 功能描述:開發(fā)板和工具包 - 其他處理器 BL25/OEM2500 DEVKIT INTERNTIONAL RoHS:否 制造商:Freescale Semiconductor 產(chǎn)品:Development Systems 工具用于評(píng)估:P3041 核心:e500mc 接口類型:I2C, SPI, USB 工作電源電壓: |
| 101-0580 | 功能描述:子卡和OEM板 RabbitLink Card RoHS:否 制造商:BeagleBoard by CircuitCo 產(chǎn)品:BeagleBone LCD4 Boards 用于:BeagleBone - BB-Bone - Open Source Development Kit |
| 10-105808-02P | 制造商:Amphenol Aerospace 功能描述:PLUG |
| 10-105808-02S | 制造商:Amphenol Aerospace 功能描述:PLUG |
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