參數(shù)資料
| 型號： | 101-0434 |
| 廠商： | Rabbit Semiconductor |
| 文件頁數(shù)： | 30/100頁 |
| 文件大?。?/td> | 0K |
| 描述： | MODULE RABBITCORE RCM2100 |
| 標準包裝： | 50 |
| 系列： | RabbitCore® |
| 模塊/板類型： | MPU 核心模塊 |
| 適用于相關產品： | RCM2100 |
| 其它名稱： | 101-0434-ND 316-1029 Q1118735 |
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User’s Manual
29
4.2 Serial Communication
The RCM2100 board does not have an RS-232 or an RS-485 transceiver directly on the
board. However, an RS-232 or RS-485 interface may be incorporated on the board the
RCM2100 is mounted on. For example, the Prototyping Board supports a standard
RS-232 transceiver chip.
4.2.1 Serial Ports
There are four serial ports designated as Serial Ports A, B, C, and D. All four serial ports
can operate in an asynchronous mode up to the baud rate of the system clock divided by
32. An asynchronous port can handle 7 or 8 data bits. A 9th bit address scheme, where an
additional bit is sent to mark the first byte of a message, is also supported. Serial Ports A
and B can be operated alternately in the clocked serial mode. In this mode, a clock line
synchronously clocks the data in or out. Either of the two communicating devices can sup-
ply the clock. When the Rabbit 2000 provides the clock, the baud rate can be up to 1/4 of
the system clock frequency, or 5.52 Mbps for a 22.1 MHz clock speed.
4.2.2 Ethernet Port
Figure 7 shows the pinout for the RJ-45 Ethernet port (J4). Note that there are two stan-
dards for numbering the pins on this connector—the convention used here, and numbering
in reverse to that used here.
Figure 7. RJ-45 Ethernet Port Pinout
The transformer/connector assembly ground is con-
nected to the RCM2100 printed circuit board digital
ground via a 0
resistor “jumper,” R5, as shown in
The factory default is for the 0
resistor “jumper” at
R5 to be installed. In high-noise environments, it may
be useful to ground the transformer/connector assem-
bly directly through the chassis ground. This will be
especially helpful to minimize EMI problems.
Figure 8. Isolation Resistor R5
ETHERNET
RJ-45 Plug
1. E_Tx+
2. E_Tx
3. E_Rx+
6. E_Rx
1
8
RJ-45 Jack
RJ-45 Ethernet Plug
R5
Chassis
Ground
Board
Ground
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|---|---|
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| AT45DB161B-CI | IC FLASH 16MBIT 20MHZ 24CBGA |
| AT45DB161B-CC | IC FLASH 16MBIT 20MHZ 24CBGA |
| 101-0405 | MODULE RABBITCORE RCM2010 |
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| 101-0434-000 | 制造商:ITT Interconnect Solutions 功能描述:INSUL CA-KE18-4S FR / 101-0434-000 / Circular |
| 101-0435 | 功能描述:模塊化系統(tǒng) - SOM RCM2110 RABBITCORE RoHS:否 制造商:Digi International 外觀尺寸:ConnectCore 9P 處理器類型:ARM926EJ-S 頻率:150 MHz 存儲容量:8 MB, 16 MB 存儲類型:NOR Flash, SDRAM 接口類型:I2C, SPI, UART 工作電源電壓:3.3 V 最大工作溫度:+ 85 C 尺寸:1.97 in x 1.97 in x 6.1 in |
| 101-0435-000 | 制造商:ITT Interconnect Solutions 功能描述:INSUL CA-KE18-4S RR / 101-0435-000 / Circular |
| 101-0436 | 功能描述:模塊化系統(tǒng) - SOM RCM2120 RABBITCORE RoHS:否 制造商:Digi International 外觀尺寸:ConnectCore 9P 處理器類型:ARM926EJ-S 頻率:150 MHz 存儲容量:8 MB, 16 MB 存儲類型:NOR Flash, SDRAM 接口類型:I2C, SPI, UART 工作電源電壓:3.3 V 最大工作溫度:+ 85 C 尺寸:1.97 in x 1.97 in x 6.1 in |
| 101-0437 | 功能描述:單板計算機 SR9205 16 in/8 out RoHS:否 制造商:Ampro By ADLINK 外觀尺寸:EPIC 處理器類型:Intel Atom D510 頻率:1.66 GHz 存儲容量:2 GB (max) 存儲類型:DDR2, L2 Cache 接口類型:Ethernet, PS/2, SATA, Serial, USB 工作電源電壓:5 V, 12 V 功耗:13 W 最大工作溫度:+ 70 C 尺寸:165.1 mm x 114.3 mm |
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